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Q. Eight books, each 3.90 cm thick with mass 1.70 kg, lie flat on a table. How much work is required to stack them on top of each other?
Q. Children in a tree house lift a small dog in a basket 5.5m up to their house. If it takes 191 J of work to do this, what is the combined mass of dog and basket?
With what force F should she pull down on the rope to accelerate herself and platform upward at a rate of 0.77 m/s2.
You're carrying a 3.6-m-long, 25kg pole to a construction site when you decide to stop for a rest. You place one end of the pole on a fence post and hold the other end of the pole 35cm from its tip.
Two particles moving under the influence of their mutual gravitational force describe circular orbits about one another with a period T. If they are suddenly stopped in their orbits and allowed to gravitate towards each other, show that they would..
Three pendulums with strings of the same length and bobs of the same mass are pulled out to angles q1, q2 and q3 respectively and free. The approximation sin q = q holds for all three angles, with q3 > q2 > q1. How do the angular frequencies of th..
A 238 g particle is released from rest at point A inside a smooth hemispherical bowl of radius 32.5 cm.compute the gravitational potential energy at A relative to B.
Three identical conducting spheres initially have following charges: sphere A, 5Q; sphere B, -7Q; and sphere C, 0. Spheres A and B is fixed in place, with a center-to-center separation that is much larger than the spheres.
Most dentist in the United States are make as the majority of nurses are female. These differences show how different cultures define.
What is the potential energy of this group of charges. The coefficient of kinetic friction between the crate and the floor is 0.25. Find the acceleration of crate.
A block of iron has the dimensions of 3.00 cm x 3.00 cm x 3.00 cm. It has a mass of 213 g. When placed in water, the block sinks. What volume of water did it displace.
What are speed and direction of the ball after the collision
What is linear acceleration
While John is travelling along a straight interstate highway he notices that the mile marker reads 243 km john travels until he reaches his path to the 178 km marker what is john's resultant displacement from the 243 km marker.
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