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A 0.490 kg hockey puck, moving east with a speed of 5.80 m/s, has a head-on collision with a 0.870 kg puck initially at rest. Assume a perfectly elastic collision. (Let east be the +x direction.) (a) What will be the speed of each object after the collisi...

A 0.90 × 10^3 kg sports car collides into the rear end of a 2.4 × 10^3 kg SUV stopped at a red light. The bumpers lock, the brakes are locked, and the two cars skid forward 4.6 m before stopping. The police officer, estimating the coefficient of kinetic f...

A neon atom (m = 20.0 u) makes a perfectly elastic collision with another atom at rest. After the impact, the neon atom travels away at a 55.2° angle from its original direction and the unknown atom travels away at a 51.8° angle. What is the mass of the u...

Three cubes, of side 0, 20, and 30, are placed next to one another (in contact) with their centers along a straight line as shown in the figure. What is the position, along this line, of the CM of this system? Assume the cubes are made of the same uniform...

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My bad. Retyping the question down here because the symbol didn't appear. Three cubes, of side Lₒ, 2Lₒ, and 3Lₒ, are placed next to one another (in contact) with their centers along a straight line as shown in the figure. What is the position, along this...

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Please pipe down if you don't know the answer, nickel.