Author Question: Two objects push on each other. The first object has a mass 30.0 kg and it accelerates at 2.00 m/s2 ... (Read 45 times)

Pea0909berry · **on:** Jul 29, 2018

Two objects push on each other. The first object has a mass 30.0 kg and it accelerates at 2.00 m/s2 toward the east.

The second object has a mass 7.00 kg. If no other forces are acting on the objects, what is the acceleration of the second object?
A)

4.67 m/s2 west
B)

1.14 m/s2 east
C)

2.00 m/s2 west
D)

8.57 m/s2 west
E)

4.67 m/s2 east

Question 2

Near the earth the intensity of radiation from the Sun is 1350 W/m2. What volume of space in this region contains 1.0 J of energy?

A)

4.5 10-6 m3
B)

3.3 102 m3
C)

7.4 10-4 m3
D)

1.4 103 m3
E)

2.2 105 m3