Author Question: A lightweight object and a very heavy object are sliding with equal speeds along a level ... (Read 67 times)

jilianpiloj · **on:** Jul 29, 2018

A lightweight object and a very heavy object are sliding with equal speeds along a level frictionless surface. They both slide up the same frictionless hill. Which rises to a greater height?

A)

The heavy object, because it has greater kinetic energy.
B)

The light object, because it has smaller kinetic energy.
C)

The lightweight object, because it weighs less.
D)

The heavy object, because it weighs more.
E)

They both slide to the same height.

Question 2

Three point charges each equal to 10 microcoulombs are located at x = 1m, x = 2m, and x = 3m, respectively, on the x-axis. What is the magnitude of the electric field at the origin?

A)

2.25 103 N/C
B)

1.22 105 N/C
C)

1.75 106 N/C
D)

2.70 104 N/C
E)

1.65 104 N/C

Leostella20 · **Reply #1 on:** Jul 29, 2018

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