m,For the frictionless system above:m, = 3.1 kgm2 = 8.5 kgAnd the angle of the incline ise = 49.5°What is the tension in the string?Approach this problem in the same way we approached the Atwood machine. Draw a FBD for bothseparately. Make sure you include coordinate axes for both diagrams (they can be different!), and caccelerations between the two objects.Suggestion: Subscripts will make your life a lot easier.Answer:Choose.. +arch

For the frictionless system above: m = 3.1 kg %3D m2 = 8.5 kg %3D And the angle of the incline is e = 49.5° What is the tension in the string? Approach this problem in the same way we approached the Atwood machine. Draw a FBD for bot separately. Make sure you include coordinate axes for both diagramns (they can be different!), anc accelerations between the two objects. Suggestion: Subscripts will make your life a lot easier. Answer: Choose..

For the frictionless system above: m = 3.1 kg %3D m2 = 8.5 kg %3D And the angle of the incline is e = 49.5° What is the tension in the string? Approach this problem in the same way we approached the Atwood machine. Draw a FBD for bot separately. Make sure you include coordinate axes for both diagramns (they can be different!), anc accelerations between the two objects. Suggestion: Subscripts will make your life a lot easier. Answer: Choose..

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter5: Newton's Law Of Motion

Section: Chapter Questions

Problem 95CP: On June 25, 1983, shot-putter Udo Beyer of East Germany threw the 7.26-kg shot 22.22 m, which at...

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On June 25, 1983, shot-putter Udo Beyer of East Germany threw the 7.26-kg shot 22.22 m, which at that time was a world record. (a) If the shot was released at a height of 2.20 m with a projection angle of 45.00, what was its initial velocity? (b) If while in Beyer’s hand the shot was accelerated uniformly over a distance of 1.20 m, what was the net force on it?
If the rocket sled shown in the previous problem starts with only one rocket burning, what is the magnitude of this acceleration? Assume that the mass of the system is 2.10103kg , the thrust Tis 2.40104N , and the force of friction opposing the motion is 650.0 N. (b) Why is the acceleration n one-fourth of what it is with all rockets burning?
Consider the baby being weighed in the following figure. (a) What is the mass of the infant and basket if a scale reading of 55 N is observed? (b) What is tension T1in the cord attaching the baby to the scale? (c) What is tension T2, In the cord attaching the scale to the ceiling, If the scale has a mass of 0.500 kg? (d) Sketch the situation, indicating the system of interest used to solve each part. The masses of the cords are negligible.
Two blocks, M1 and M2, are connected by a massless string that passes over a massless pulley as shown in the figure. M2, which has a mass of 25.0 kg, rests on a long ramp of angle ?=25.0∘. Friction can be ignored in this problem. Determine the mass ?1 of block M1 for which the two blocks are in equilibrium (no acceleration). If the actual mass of M1 is 5.00 kg and the system is allowed to move, what is the acceleration ? of the two blocks? A positive acceleration corresponds to M2 moving up the incline. What distance ? does block M2 move in 2.00 s?
Consider the scenario in the figure below. Suppose m1 = 4.5 kg, m2 = 6.5 kg. Thecoefficient of kinetic friction between block 2 and the ramp 0.54. The system is set intomotion so that block 2 is sliding down the ramp.a) What is the magnitude of the acceleration of the blocks?b) What is the tension in the string?
A (6 kg) block rests on a smooth table. It is connected by a string of negligible mass to a (2 kg) block hanging over the end of the table, as shown in figure below. Find: (&) The acceleration of each block? Answer : (a=2.45 m/s*) (b) The tension in the connecting string? Answer: (T=147N) (@) The position of mass A at (0.400 s)? Answer: (y=-0.196 m) (d) The velocity of mass A at (0.400 s)? Answer : (v=-0.980 m/s )
s shown, the mass of block 1 is m1 = 4.0 kg and the mass ofblock 2 is m2 = 8.0 kg. Block 1 sits on an incline with an angle of37º. The coefficient of kinetic friction between m1 and the inclinedsurface is μk = 0.40. (a) What is the minimum coefficient of staticfriction if the system is to remain at rest? b) Assuming that μs isless than this value, what is the acceleration of the system?
A 2 kg box is initially at rest on the smooth horizontal surface. When the box is subjected to horizontal force P= 4 N. Compute the following: What is the resulting acceleration of the box? ______________ How fast is the box moving after 1 second? _______________ How far has it moved after 1 second? ____________________
At time ? = 0 [s], a particle at rest with mass ? = 3.50 [kg] began experiencing a mysterious time varying force along the +? direction. The force experienced by the object is modelled by the piecewise function. The force is observed to have the values ?? = 4.00 [N] and ?? = 3.00 [N] at times ? = 0 [s] and ? = 2.00 [s] respectively. a.) Find the value of the constants ? and ? in SI units. b.) Plot the graph of ?? as a function of ?. Include axes labels, axes tick marks, and gridlines on your plot. c.) What is the impulse exerted by this mysterious force on the particle in the time interval 0 [s] ≤ ? ≤ 2.00 [s]. d.) How much will the velocity of the particle change during this time interval? e.) Find the average force exerted on the particle in this time interval.
Two blocksmịand m2 connected by a rope are being pulled by a horizontalforce F equal 160 N. Suppose that mį=10 kg,20 kg, and the coefficient of kineticm 2 =20 kg10 kgfriction between each block and the surfacem1is 0.52.A. Draw free-body diagrams of both objects.B. Find the acceleration of the systemC. Find the tension in the ropeD. What is the distance that the system ( two masses) will travel if youknow that are started from rest and final velocity is 4.5 m/sec(B) a= { F
An elevator, complete with contents, has a mass of 2000.0 kg. For each of the two situations described in a) and b) below, do the following. - Draw a free-body diagram showing the correct relative lengths of the Tand the F vectors. - Determine the value of T (the tension in the elevator cable). - State the value of the real weight and the apparent weight in each case. • a. The elevator is moving up at a constant velocity of 2.0 m/s. • b. The elevator is moving up at a constant acceleration of 1.0 m/s squared?
A large rocket has a mass of 1.91 ✕ 106 kg at takeoff, and its engines produce a thrust of 3.43 ✕ 107 N. (a) Find its initial acceleration (in m/s2) if it takes off vertically. (Enter the magnitude.) m/s2 (b) How long does it take (in s) to reach a velocity of 264 km/h straight up, assuming constant mass and thrust? s (c) In reality, the mass of a rocket decreases significantly as its fuel is consumed. Describe qualitatively how this affects the acceleration and time for this motion.