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Q. A uniform disk with a mass of 150 kg and radius of 2 m rotates with an angular speed of 1100 rev/min. A tangential force is applied at a radial distance of 0.65 m. The wheel is brought to rest in 2.5 min. What torque does the force produce?
Q. There are 2 inclines A & B. Identical carts are placed on the top of each incline and release them from rest. Both inclines have the similar height and are friction less, but angles of the two incline are not the similar. Would carts acceleration on A be greater than, less than or equal to its acceleration on B?
A 3.0 syringe has an inner diameter of 5.0, a needle inner diameter of 0.28, and the plunger pad diameter (where you place your finger) of 1.20.
Two physical pendulums ( not simple pendulum) are made from sticks that are suspended from the ceiling at one end. The sticks are uniform and are identical in all respects, except one is made of wood (mass = 0.17 kg )and the other of metal (mass =..
What is the average speed of a rider on this Ferris wheel.
By how much does the carrier lengthen. what is the magnitude of his average velocity for the 200.
A female gymnast weighs 620 N. If she is hanging stationary from a high bar, how many forces are acting on her.
What is the direction of this velocity. What is the magnitude of the velocity.
A 2500-kg sport utility vehicle travelling at 92 km/h can be stopped in 0.25 s if it hits a concrete wall. Assume a 60 kg person was in the car that hit this wall. The velocity of the person equals that of the car both before and after the crash, and..
A certain telescope has an objective of focal length 1580cm. If the Moon is used as an object, a 1.4 cm long image formed by objective corresponds to what distance, in miles, on the Moon? Suppose 3.8 multiplied by 108 m for the Earth-Moon distance..
What is Fx of the magnitude of the skiers velocity.
What is the breaking strength
Two identical metallic blocks are connected by a light spring having the spring constant 100 N/m and an unstretched length of .30 m. A total charge Q is slowly placed on the system, causing the spring to stretch to an equilibrium length of .40 m. ..
What is the maximum speed the masses
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