CSS - PMS - CCE - PCS - Everyday Science
Mechanics
Momentum of a 5 kg object moving at 3 m/s is:
A. 14 kg·m/s
B. 17 kg·m/s
C. 16 kg·m/s
D. 15 kg·m/s
Correct Answer: D
p = mv.
CSS - PMS - CCE - PCS - Everyday Science
Mechanics
Momentum of a 5 kg object moving at 2 m/s is:
A. 10 kg·m/s
B. 11 kg·m/s
C. 9 kg·m/s
D. 12 kg·m/s
Correct Answer: A
p = mv.
CSS - PMS - CCE - PCS - Everyday Science
Mechanics
Momentum of a 4 kg object moving at 8 m/s is:
A. 34 kg·m/s
B. 32 kg·m/s
C. 31 kg·m/s
D. 33 kg·m/s
Correct Answer: B
p = mv.
CSS - PMS - CCE - PCS - Everyday Science
Mechanics
Momentum of a 4 kg object moving at 5 m/s is:
A. 22 kg·m/s
B. 19 kg·m/s
C. 21 kg·m/s
D. 20 kg·m/s
Correct Answer: D
p = mv.
CSS - PMS - CCE - PCS - Everyday Science
Mechanics
Momentum of a 4 kg object moving at 3 m/s is:
A. 11 kg·m/s
B. 12 kg·m/s
C. 14 kg·m/s
D. 13 kg·m/s
Correct Answer: B
p = mv.
CSS - PMS - CCE - PCS - Everyday Science
Mechanics
Momentum of a 4 kg object moving at 2 m/s is:
A. 9 kg·m/s
B. 7 kg·m/s
C. 8 kg·m/s
D. 10 kg·m/s
Correct Answer: C
p = mv.
CSS - PMS - CCE - PCS - Everyday Science
Mechanics
Momentum of a 2 kg object moving at 8 m/s is:
A. 15 kg·m/s
B. 18 kg·m/s
C. 16 kg·m/s
D. 17 kg·m/s
Correct Answer: C
p = mv.
CSS - PMS - CCE - PCS - Everyday Science
Mechanics
Momentum of a 2 kg object moving at 5 m/s is:
A. 10 kg·m/s
B. 11 kg·m/s
C. 12 kg·m/s
D. 9 kg·m/s
Correct Answer: A
p = mv.
CSS - PMS - CCE - PCS - Everyday Science
Mechanics
Momentum of a 2 kg object moving at 3 m/s is:
A. 8 kg·m/s
B. 7 kg·m/s
C. 6 kg·m/s
D. 5 kg·m/s
Correct Answer: C
p = mv.
CSS - PMS - CCE - PCS - Everyday Science
Mechanics
Momentum of a 2 kg object moving at 2 m/s is:
A. 6 kg·m/s
B. 4 kg·m/s
C. 3 kg·m/s
D. 5 kg·m/s
Correct Answer: B
p = mv.
CSS - PMS - CCE - PCS - Everyday Science
Mechanics
Momentum of a 1 kg object moving at 8 m/s is:
A. 10 kg·m/s
B. 8 kg·m/s
C. 9 kg·m/s
D. 7 kg·m/s
Correct Answer: B
p = mv.
CSS - PMS - CCE - PCS - Everyday Science
Mechanics
Momentum of a 1 kg object moving at 5 m/s is:
A. 5 kg·m/s
B. 7 kg·m/s
C. 4 kg·m/s
D. 6 kg·m/s
Correct Answer: A
p = mv.
CSS - PMS - CCE - PCS - Everyday Science
Mechanics
Momentum of a 1 kg object moving at 3 m/s is:
A. 4 kg·m/s
B. 5 kg·m/s
C. 2 kg·m/s
D. 3 kg·m/s
Correct Answer: D
p = mv.
CSS - PMS - CCE - PCS - Everyday Science
Mechanics
Momentum of a 1 kg object moving at 2 m/s is:
A. 4 kg·m/s
B. 2 kg·m/s
C. 1 kg·m/s
D. 3 kg·m/s
Correct Answer: B
p = mv.
CSS - PMS - CCE - PCS - Everyday Science
Mechanics
If 800 J of work is done in 10 s, average power is:
A. 80 W
B. 82 W
C. 81 W
D. 79 W
Correct Answer: A
P = W/t.
CSS - PMS - CCE - PCS - Everyday Science
Mechanics
If 800 J of work is done in 5 s, average power is:
A. 161 W
B. 162 W
C. 160 W
D. 159 W
Correct Answer: C
P = W/t.
CSS - PMS - CCE - PCS - Everyday Science
Mechanics
If 800 J of work is done in 4 s, average power is:
A. 199 W
B. 202 W
C. 200 W
D. 201 W
Correct Answer: C
P = W/t.
CSS - PMS - CCE - PCS - Everyday Science
Mechanics
If 800 J of work is done in 2 s, average power is:
A. 402 W
B. 399 W
C. 401 W
D. 400 W
Correct Answer: D
P = W/t.
CSS - PMS - CCE - PCS - Everyday Science
Mechanics
If 500 J of work is done in 10 s, average power is:
A. 52 W
B. 50 W
C. 49 W
D. 51 W
Correct Answer: B
P = W/t.
CSS - PMS - CCE - PCS - Everyday Science
Mechanics
If 500 J of work is done in 5 s, average power is:
A. 102 W
B. 101 W
C. 99 W
D. 100 W
Correct Answer: D
P = W/t.