Sally, who weighs 450 N, stands on a skate board while Roger pushes it forward 13.0 m at constant velocity on a level straight street. He applies a constant 100 N force

a. The work Roger does on the skateboard is 0 J.
b. The work Roger does on the skateboard is 1 300 J.
c. The work Sally does on the skateboard is 1 300 J.
d. The work Sally does on the skateboard is 5 850 J.
e. The work Roger does on the skateboard is 5 850 J.


B

Physics & Space Science

You might also like to view...

Why does exponential growth seem so surprising in its outcome to most people?

What will be an ideal response?

Physics & Space Science

Why must you use the same reference point b g h0 on the spring for each subsequent height measurement?

Physics & Space Science

The Pioneer probes carry what kind of physical time capsule?

A) a small engraved plaque B) a gold-plated record containing pictures, multilingual greetings and music C) a DVD containing pictures D) these probes do not carry a physical time capsule

Physics & Space Science

A charge of 40 pC is distributed on an isolated spherical conductor that has a 4.0-cm radius. Point A is 1.0 cm from the center of the conductor and point B is 5.0 cm from the center of the conductor. Determine the electric potential difference VA ? VB

a. +1.8 V b. +29 V c. +27 V d. +7.2 V e. +9.0 V

Physics & Space Science