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Hogar Banco de preguntas Física Archive 2025 January 22

Physics Questions from Jan 22,2025

Browse the Physics Q&A Archive for Jan 22,2025, featuring a collection of homework questions and answers from this day. Find detailed solutions to enhance your understanding.

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A 534 kg ice skater is at rest when she throws a snowbal east at The skater reco s west at What is the mass of the snowbal? (Unt ) Remember rgnt is - lett s A 68.0 kg person runs off a dock at and lands on a stationary 131 kg boat. What is their joint velocity afterward? Block is moving right at Block is moving left at . Block 1 collides with block 2 . Afterwards block 1 moves left at . What is the final velocity of block 2 after the collision? Remember to indicate if the velocity is to the right ( + or to the left ( - ) An incoming meteor with mass 65.4 kg and velocity overtakes another meteor with mass 32.1 kg and velocity . The two meteors stick together. What is their velocity? A golf club hits a 0.0459 kg golf ball at rest the club is in contact with the ball for 0.00138 s . Afterwards the ball leaves at How much force acted on the ball? (Unt ) Remember right is + left is - A baseball has a mass of 0.145 kg . The baseball is thrown that its horizontal velocity is and its vertical velocity is . What is the total momentum of the baseball? An exercise machine doubles as an electrical generator. If 220 watts of muscle power are applied for 45.0 minutes, how much energy is produced? A crate initially at rest, is pushed on a flat surface with a force of 88.4 N at a angle over a distance of 11.9 m . A frictional force of 23.2 N is exerted back onto the crate. What is the total amount of work done? A boulder falls from a cliff and lands on the floor of the valley below. If the final speed of the boulder is . what is the height of the cliff? A 0.0780 kg lemming runs off of a 5.36 m high cliff at . What is the kinetic energy of the lemming when it is 2.00 m above the ground?
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