c 1.54 kg Vectors: these are such quantities that can be fully described by both a magnitude and a direction. The magnitude of vectors. we call this time t=0. Sometimes you may here the unit vector called a direction vector, because all it really does is tell you what direction the object is going in. D 2.0 N. D The restoring force is proportional to the displacement. 200 times its wave length. if the pilot takes no corrective action. Show Answer. at what time will the pendulum b 47 m 23 a sinusoidal wave traveling on a string has a period of .20 s a wave length of 32 cm and an amplitude of 3 com. what is the theoretical minimum amount of electric energy necessary to pump 1.0 J of energy of the freezer compartment? D the car's acceleration at position 2? What will the next resonance be after this? For this time, what was her speed? B 600 M E Either A or D STT 16.7 These speakers emit identical sound waves with a wave length of 1.0 m. At the point of indication is the interference constructive, destructive or something in between? It decreases to one-half its initial value. d 1.0 m. STT 16.1 Two pulses on a string approach each other at speeds of 1 m/s . What energy transformation is taking place? D. 1.0 KG, 12.38 Steam at 100 C causes worse burns than liquid water. Scalar product or dot product of two vectors is an algebraic operation that takes two equal-length sequences of numbers and returns a single number as result. 72 G C 120 hz As we define the ground as the origin, the position of the rock is _____ and the velocity of the rock is _____, 1.20 Which of the following motions could be described by the motion diagram of figure 1.20? It is a logarithmic scale in which magnitude increases 10 times with each increase . C 900 M E <-30m/s. She then undergoes a negative displacement. When an archerfish is hunting, its body shape allows it to swim very close to the water surface and look upward without creating a disturbance. B. arrow_forward SEE MORE QUESTIONS Recommended textbooks for you arrow_back_ios arrow_forward_ios Express your answer using three significant figures. C q-p f there is not enough information to decide, STT 12.4 An aluminum ring is tight around a solid iron rod, if we want to loosen the ring to remove it from around the rod, we should velocity of a body as it has both magnitude and direction. D Kool 285, 15.21 What is the frequency of blue light with a ave length of 400 nm ? D 40 m/s, 16.26 Suppose you pluck a string on a guitar that produces A at a frequency of 440 hz. Kho St Cng Trnh Ngm kent, wa police news today. A boat is motoring upstream against the flow at 5.0 m/s. B 100 hz (b) What are the magnitude and direction of (b-a)?. D 180 hz, 16.23 An organ pipe is tuned to exactly 384 hz when the temperature of the room is 20 Degrees Celsius. A Less than 35 PSI -20 m 30 Given Required Equation Solution Final Answer. D use a lighter string of the same length under the same tension If a second ball were dropped from rest from height ymax, how long would it take to reach the ground? Express your answer numerically in meters per second. At one track, cars round a corner that is a segment of a circle of radius 85 m at a speed of 68 m/s. In this process the pressure $\lambda + 2\mu = 2$. B. P6: Vector a has a magnitude of 5.0 m and is directed East. Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Express your answer numerically in seconds. B Q=0 Which statement is true? Refer to the graph from the book B 17.3 M/S D what is the total mechanic energy of the oscillator? D 6.0 M/S A 5 m/s Draw and name the products of bromine water oxidation of (a) D-mannose (b) D-galactose (c) D-fructose. 2C Suppose this experiment were done on the moon, where the free fall acceleration is approx. D the truck exerts a larger force on the car than the car exerts on the truck Even though the horizontal and vertical motions can be treated independently, they are related by the fact that they occur for exactly the same amount of time, namely the time t $3\lambda + \mu = 5$. B. A. Use the theorem proved as Case 1 in the text to determine the total vector magnetic force on the tube. C decrease, 4.25 a person gives a box a shove so that it slides up a ramp, then it reverses its motion and slides down. A 1g Express your answer using two significant figures and include the appropriate units. C) what is the value of mass m? Increases by a factor of less than 2. C gear Shift C. 1.6 HZ E 5.0 S, STT 2.7 A volcano ejects a chunk of rock straight up at a velocity of vy= 30 m/s. A f1 200 N B. Comment b 8s Vector vec b has a magnitude of 4.0m and is directed 35^o west of due north. .057 KG A Right , right Two vectors appear as in the figure. STT 4.6 Three forces act on a object. Suppose another object with twice the mass is pulled by four rubber bands stretched to the standard length. c + 7000 J C .5 mm C b -1.0 mm What is this time in seconds? Think of the x coordinate of the force as the base of a triangle, the y component as the height of the triangle, and the hypotenuse as the resultant force from both components.Extending the link, the angle the hypotenuse makes with the base is the direction of the force. 1/16 of that on the earth. Afterward, which wave has the highest intensity? What are (a) the magnitude and direction of (a+b)?. c radiation Click hereto get an answer to your question Vector vec a has a magnitude of 5.0 m and is directed east. Express your answer to three significant figures and include the appropriate units. At the instant just before the projectile hits point P a 1/4 At which labeled instant is the speed of the car the greatest? C f1>f2. B the circular wave A 23 Degrees Which is the missing third force? The positions of the dots for T>or equal to 16 S are offset for clarity. C Goes from 0 M/S to 20 m/s in 7.0 S At which labeled point is the magnitude of the acceleration the greatest? The magnitudes of two vectors A and B are 12 units and 8 units, respectively. C 1.5 n Six vectors (a through f) have the magnitudes and directions indicated in the figure. C 3.0 S As she propel it forward from rest, she does 270 J of work on it. what is the speed of the wave? a 4.0 m A Increase TH A 1.33 X10^3 hz which combination of vectors has the largest magnitude . C. Not affect your calculation of specific heat. What is the wavelength> B 24 S 30 A person walks 1 km, turns around, and runs back to where he started. If this speed were increased by just 5.0%, how much longer would the jump be? A Increasing the temperature inside the fridge A andy STT 15.4 Three waves travel to the right with the same speed. You'll get a detailed solution from a subject matter expert that helps you learn core concepts. O - P 0 - - O P + OP-7 Submit Request Answer Figure 1 of 1 > Provide Feedback P . height H, as shown in figure Q 3.23. A) What is the amplitude of the ball's motion? D 28 S, 2.26 A car can go from 0 - 60 mph in 12 S. A second car is capable of twice the acceleration of the first car. B Inverse Tan ( cx/IcyI) As the engine fires, it uses fuel, so it is much lighter at the end of the run than at the end of the run than at the start. A. O t B + o - t O B - - O + of 1 Submit Request Answer t Provide Feedback Two vectors appear as in . Which of these are forces acting on the rock? d 6.28 hz Example: Find the magnitude: a = <3, 1, -2>. D 170m STT 16.5 A tube that is open at both ends supports a standing wave with harmonics at 300 and 400 hz, with no harmonics in between. c 2.0 m An object undergoing projectile motion near the surface of the earth obeys the following rules: D there is a kinetic friction directed down the slope They all reach the same maximum height h. Ignore air resistance. 16.20 At t=1.5 s what is the value of y at x=10 cm The newly shortened string is 4/5 o the length of the full string. C. Water at 50C Assuming that it could maintain the same acceleration at higher speeds, how much time will this second car take to go from 0-120 MPH? STT 14.4 the figures show four identical oscillators at different points in their motion. funny tradie interview. D. 10Hz C 4.4 S D all have traveled the same distance, 2.21 which of the three drag racers in question 20has the greatest acceleration at t=0? A immediately come to a stop 3.21 A car travels at a constant speed along the curved path shown from above in figure Q3.21 Five possible vectors are also shown in the figure. Considering the radiator of a car as as the system, as the radiator cools down, we can say that For all parts, assume that the "island" refers to the point at a distance D from the point at which the package is released, as shown in the figure. C a A Block exerts a friction force on block A The direction of the drag force is 2.18 The following options describes the motion of four cars !-D Which car has the largest acceleration? Does not change Some additional names for a vectors magnitude such as: vector norm, vector modulus or absolute value of a vector. how far from the base of the cliff will the car hit? 2.15 Figure Q 2.15 shows the position graph of a car traveling on a straight road. 2.22 Chris is holding two softballs while standing on a balcony. Which is a dust particle settling to the floor at constant speed, which is a ball dropped from the roof of a building and which is a descending rocket slowing to make a soft landing on mars? Six vectors (a through f ) have the magnitudes and directions indicated in the figure. ( is denoting linear span, here.) c 13s A 350 hz d 7.50 m B thermal energy of the gas A wooden toy hangs from a spring, when you pull it down and release it, it reaches the highest point of its motion after 1 s. What is the frequency of its oscillation? A vector is a directed line segment with an initial point and a terminal point. ST 4.2 A frog is resting on a slope. The earth's mass is 5.94 X 10^24 ks and its volume is 1.08 X 10^12 km^3. C 8.0 m What is the mass of the second block? The velocity at instant 1 is ___ and the velocity at instant 2 is ____. D. The energy used is the same for both segments, the power while running is greater. B Betty See Answer Question: 20. (c) Draw a vector diagram for each combination. E stretch the string tighter to increase the tension. \hspace{2.1cm} e. a, b, and c A .45 kg E 9.0 Cm suppose a person has injured hair cells on a segment of the basilar membrane close to the stapes. B T=200 N The frequency of one tone is known to be 610 hz. D 160 m A Height 4 cm Base 12 Cm Express your answer to three significant figures and include the appropriate units. 12.33 A cup of water is heated with a heating coil that delivers 100W of heat. A 1.72 M which combination of vectors has the largest magnitude. D 23.0 M/S, 3.24 A cannon elevated at 40 degrees is fired at a wall 300 M away on the level ground as shown in figure 3.23. B P-Q E 24 m, 3.28 Formula one race cars are capable of remarkable accelerations when speeding up, slowing down, and turning corners. C 1.33 X 10^13 Hz B First have its maximum speed B right left D 160 cm/s, 15.24 Two strings of different linear density are joined together and pulled taut. E the car's velocity at position 3? B .7 s C immediately change to a slower but constant speed What is the acceleration of this second object? D F H on Q= F H on P > F P on Q. STT 5.8 All three 50 kg blocks are at rest. E 12.2 J STT 15.3 The figure to the right is a snapshot graph of a wave moving to the left the wave is to the right of the origin, but it will reach the origin as it moves. When you pluck the string, its frequency will be c thermal energy, STT chapter 11 beginning B approx. A bullet fired from a rifle begins to fall. STT 1.2 Three motion diagrams are shown. Find the time tH it takes the projectile to reach its maximum height H B 5.50 X 10^6 Kg/M^3 This problem has been solved! The raft is traveling down the Mississippi River at a speed of 1.78 m/s relative to the river bank (see the figure (Figure 1)).What is Huck's velocity (speed and direction) relative to the river bank? Notice, though, that this scheme has you think . C 0m/s This scale measures the largest magnitude of seismic waves without taking into account the type of wave. (An orthogonal matrix is one whose transpose is its inverse: .) A. . To rank items as equivalent, overlap them. 15.25 you stand at X=o m listening to a sound that is emitted at frequency Fs. C the frequency is inversely proportional to the period, so a shorter period implies a higher frequency. unfortunately you didn't realize that you dropped one penny on the floor while transferring them to the water. D 200 S, 12.37 40,000 J of heat is added to 1.0 KG of ice at -10C how much ice melts? STT 14.2 A ball is jung from a rope, making a pendulum. C 15 cm/s All angle measures fall between 0 and 360. . B infrared has a shorter wavelength and higher frequency than ultraviolet Which combination points directly to the left? Experts are tested by Chegg as specialists in their subject area. $2\lambda + 3\mu = 4$. STT 2.5 A particle moves with the velocity-versus-time graph shown here. C decreasing the tmp inside the fridge B B+A-C. 3.19 Two vectors appear as in figure 3.19. c 8s A 8.0 M/s Write v as a linear combination of the unit vectors i and j. (a) The angle between the two vectors. B. d down the ramp and then up the ramp, 4.26 a person is pushing horizontally on a box with a constant force, causing it to slide across the floor with a constant speed. b 3.0 m A <1 m C 0.0 cm Dogs have a much larger ear canal- 5.2 cm- than humans. Express your answer to three significant figures and include the appropriate units. Five possible vectors are also shown in the figure; the letter E represents the zero vector. \hspace{2cm} d. a and b b 1.5 hz (Figure 1) Rank the vector combinations on the basis of their magnitude. E 1.0 M, STT 16.3 a 2 m long string carries a standing wave as in the figure to the right.
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