Physics

Physics, 03.11.2019 14:31, annamariaafowyhrq

To have momentum, an object must be a. heavy b. massive c. moving d. accelerating

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Physics, 09.07.2019 17:00, angeloliv1012

1.) if you are sitting still are you accelerating? how do you know? 2.) you’re on a skateboard, moving very fast but at a constant speed. are you accelerating? 3.) lara claims that if an object is accelerating it must be moving. she also claims that if an object is not accelerating it must be at rest. is she correct? if not, what would you say to prove her wrong?

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Physics, 01.08.2019 11:00, abelSeattle

Object 1 is moving along the x axis with an initial momentum +16 kg·m/s, where the + sign indicates that it is moving to the right. as the drawing shows, object 1 collides with a second object that is initially at rest. the collision is not head-on, so the objects move off in different directions after the collision. the net external force acting on the two-object system is zero. after the collision, object 1 has a momentum whose x component is +6 kg·m/s. what is the x-component of the momentum of object 2 after the collision?

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Physics, 24.08.2019 12:30, rome58

To have momentum, an object must be a. heavy c. massive b. moving d. accelerating

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Physics, 04.11.2019 22:31, kathlynskare06

Three cars, x, y, and z, begin accelerating from rest at the same time. x is more massive than y, and y is more massive than z. the net accelerating force exerted on each car is identical. after 30 seconds, which car has the most amount of momentum? a) they all have the same amount of momentum. b) car x c) car y d) car z e) cannot be determined based on the known information.

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