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Q1. A 0.435- hockey puck, moving east with a speed of 5.00, has a head-on collision with a 0.610- puck initially at rest.
Q2. Heather and Jerry are standing on a bridge 56 above a river. Heather throws a rock straight down with a speed of 15. Jerry, at accurately the same instant of time, throws a rock straight up with the equal speed. Overlook air resistance.
Q3. A .0022 kg spider is suspended from the thin strand of spider web. The greatest tension the strand can withstand without breaking is .042 n. What is the maximum acceleration with which the spider can safely ascent strand?
What is the speed of the block of clay right after the collision. What impulse does the clay exert on the block.
What law of physics would be violated
What is an index of refraction of the liquid
A 20 kg block is stacked on top of the 20 kg block. Both blocks are glued together. What is the magnitude F of force, acting horizontally on the two blocks, that is required to make the two blocks start to move.
A board is 6 meters long. The center of mass is in the 2 meters from the left end. The board has a weight of 320 Newton's. How much force in Newtons is necessary to lift the right end while the other end stays on the ground.
Find the magnitude of total displacement of the object
Two metal plates are held together by two steel rivets, each of diameter 0.24cm and length 1.2cm.How much force has to be applied parallel to the plates to shear off both rivets.
Compute the index of refraction of the gas
What is magnitude of the force that a concrete support exerts on the bridge at each end. The cloth exerts a friction force of 0.100 N on the mug and the cloth is pulled with a constant acceleration of 3.00 m/s.
What is the caused by sun wind in upper atmosphere
What is tension in each of the cables
How long is the bridge? Write down an equation for the bridge's height. And how far from the center of the bridge are two points if bridge's height at those points is 80 meters.
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