Consider Two Carts,of Masses M and 2m,at Rest on a Frictionless

question 40

Multiple Choice

Consider two carts,of masses m and 2m,at rest on a frictionless air track.If you push the first cart for 3 m and then the other for the same length of distance with the same force,which cart undergoes the smallest change in kinetic energy?

• A)the cart with mass m
• B)the cart with mass 2m
• C)The change in kinetic energy is the same in each case.
• D)There is no change in kinetic energy in either cart.
• E)Impossible to tell.

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