Physics, 30.03.2020 19:39 BigDaddy1220
Object 1 of mass m moves with speed v in the positive direction. Object 2 of mass 3 m moves with speed 4 v in the negative x-direction. How does the kinetic energy of mass 2 (K2) compare to the kinetic energy of mass 1 (K1)
Answers: 2
Physics, 22.06.2019 00:00
An object moves from the position +34m to the position -15m in 15 seconds. what is it's total displacement? what is it's average velocity?
Answers: 1
Physics, 22.06.2019 02:30
If a refrigerator is a heat pump that follows the first law of thermodynamics, how much heat was removed from food inside of the refrigerator if it released 380j of energy to the room?
Answers: 1
Physics, 22.06.2019 14:30
Two carts, one of mass 2m and one of mass m, approach each other with the same speed, v. when the carts collide, they hook together. assume that positive momentum is to the right. which graph best represents the momentum of both carts over time, before and after the collision?
Answers: 3
Physics, 22.06.2019 15:00
A10 kg box initially at rest is pulled 18 meters across a horizontal, frictionless surface by a 40 n force. what is the block’s final velocity over the 18 meters?
Answers: 2
Object 1 of mass m moves with speed v in the positive direction. Object 2 of mass 3 m moves with spe...
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