A 5.00-kg object is initially at rest. The object is acted on by a 9.00-N force toward the east for 3.00 s. No force acts on the object for the next 4.00 s. How far has the object moved during this 7.00 s interval?
A)
8.10 m
B)
29.7 m
C)
53.6 m
D)
21.7 m
E)
16.2 m
Question 2
An electromagnetic wave has a magnetic field of rms value 3.0 10-6 T. What is the intensity of the wave?
A)
0.1 103 W/m2
B)
3.0 103 W/m2
C)
1.1 103 W/m2
D)
2.1 103 W/m2
E)
1.5 103 W/m2