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Q. Two particles with masses m and 3m are moving toward each other along the x axis with the same initial speeds vi. Particle m is traveling to the left, while particle 3m is traveling to the right. They undergo an elastic, glancing collision such that particle 2m is moving downward after the collision at a right angle from its initial direction.
Q. An 83.0 spacewalking astronaut pushes off a 640 satellite, exerting a 115 force for the 0.430 it takes him to straighten his arms. how far apart are the astronaut and the satellite after 1.5 minutes?
There are two major types of aberration (defective image formation) in lenses: spherical and chromatic. Spherical aberration comes from fact that a spherical lens has the property of focusing parallel rays to a single point only approximately.
A gardener feels it is taking him excessively long to water a garden with a 0.952cm diameter hose. By what factor will his time be shortened, if he uses a 1.58 cm diameter hose.
Sam (85 kg) takes off up a 50-m-high, 10° frictionless slope on his jet-powered skis. The skis have a thrust of 240 N. He keeps his skis tilted at 10° after becoming airborne. How far does Sam land from the base of the cliff.
A soccer ball with a mass of 448g bounces off the crossbar of a goal and is deflected upward at an angle of 56.2° with respect to horizontal. Immediately after deflection, the kinetic energy of the ball is 47.70 J. What are the vertical and horizo..
A spelunker is surveying a cave. She follows a passage that takes her a distance 189 straight west, then a distance 220 in a direction 45 east of south, after that a distance 280 at 30 east of north. After a fourth unmeasured displacement she find..
A fisherman standing on the edge of a pier hooks a fish on the surface of the water, and reels in the fishing line at a constant 0.50m/s. If the fisherman's fishing rod is a height of 3.0 m above the water, at what speed is the fish moving (horizonta..
What is the minimum coefficient of friction that will prevent sliding. What should be the highest speed of the car so it can round the curve safely.
What is speed of the second train, which travels faster
What is Newtons Version of Keplers Third Law
The truck slows down uniformly with an acceleration of 5.60 m/s2 for 4.20 s, making skid marks 62.40 m long that end at the tree. With what speed does truck then strike the tree.
An object with a mass of 72.0 g displaces 590.0 ml of water when it is completely immersed. What is the buoyant force on the mass?
A 110 g cube of ice at 0°C is dropped into 1 kg of water that was originally at 90°C. What is an final temperature of the water after the ice has melted.
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