Physics

Physics, 31.07.2019 18:00, jfarrar02

You push a shopping cart with a velocity of 10 m/s and let go. the cart is 20 kg. the coefficient of kinetic friction is 0.3 ). how far does the cart move?

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Physics, 02.07.2019 01:30, wwwchivova

In the great shopping cart race, two students push on shopping carts. a having twice the mass of b, with the same force applied over the same distance. which shopping cart has more ke by the time it gets to the end of the course? a. cart a b. cart b c. neither, they have the same ke

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Physics, 10.07.2019 19:30, sugar75

A)a 0.05 kg mass is used to accelerate a cart. at t=1 second, the 0.5 kg cart is at x=0.5 m, at rest. at t=2.5 seconds, the cart is at 1.5 m, traveling at 1.3 ± 0.3 m/s. calculate and compare the impulse with the total change in momentum of the cart and mass. (read the theory and sections 1.5 through 1.7 if you’re not sure how to do this.) b) what would be the effect of air resistance and friction on the final velocity and momentum of the cart? c) if a cart of mass 1.2 kg, traveling at 0.5 m/s, collides elastically with a cart of mass 0.7 kg, initially at rest, what is the final velocity of the first cart? d) if the two carts above stick together after the collision, what is the final velocity of the first cart? e) what is the final velocity of the first cart in (c) if the second cart has mass 1.8 kg? f) what is the final velocity of the first cart in (d) if the second cart has mass 1.8 kg?

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Physics, 21.07.2019 18:00, awkwardness92

Sam and his dad went grocery shopping. as they went up and down the aisle, adding items to their cart, something changed. the cart got heavier as they added groceries. as the cart became heavier, it also became harder to push. what else most likely changed as sam and his dad shopped? a) the force of the cart. b) the speed of the cart. c) the size of the cart. d) the direction of the cart.

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Physics, 26.09.2019 01:10, kaylabjoyner4023

In the supermarket you return a cart to the cart area. you stand still and push the cart towards the other carts. you’ve just learned that the cart pushes back on you too, according to newton’s third law. a. explain why the cart moves and you do not. hint: consider the cart and yourself separately. also consider all the forces acting on you and on the cart. b. is the cart in equilibrium once you let go of the handle? explain.

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You push a shopping cart with a velocity of 10 m/s and let go. the cart is 20 kg. the coefficient of...

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