Physics, 22.07.2019 21:40 ummsumaiyah4185
An object of mass 10 kg is released at point a, slides to the bottom of the 30º incline, then collides with a horizontal massless spring, compressing it a maximum distance of 0.75 m. (see below.) the spring constant is 500 n/m, the height of the incline is 2.0 m, and the horizontal surface is frictionless. what is the speed of the object at the bottom of the incline?
Answers: 1
Physics, 21.06.2019 19:00
When the velocity of an object is doubled, by what factor is its momentum changed? by what factor is its kinetic energy changed? a) the momentum is zero. b) the momentum is not zero. c) difficult to say.
Answers: 3
Physics, 22.06.2019 09:00
In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 j? 1. write the equation 2.list out your known variables 3.plug the numbers into the equations 4.solve 5.write your solution statement that includes initial energy and final
Answers: 1
Physics, 22.06.2019 11:40
Imagine that you have two balloons (or, better yet, actually inflate two balloons, if possible). create static electricity around one of the balloons by rubbing it against your hair or your sweater and then bring that balloon close to the other balloon, which has not been charged. try this with at least one other object—and for variety in the discussion, avoid using an object already described by your classmates. then, for your initial post to the discussion, answer the following questions: what happened with the two balloons?
Answers: 3
Physics, 22.06.2019 15:30
The voltage applied across a given parallel-plate capacitor is doubled. how is the energy stored in the capacitor affected?
Answers: 2
An object of mass 10 kg is released at point a, slides to the bottom of the 30º incline, then collid...
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