SECTION:
DATE:
DIRECTION: Read the question thoroughly and choose among the choices the correct in each question.
For questions 1 and 2, refer to the table below:
1.
vehicle
mass (kg)
velocity (m/s)
joepnoy
2000
10
motorcycle
300
20
2.
3.
4.
a. 6,000 kg m/s
c. 20,000 kg m/s
b. 40,000 kg m/s
d. 3,000 kg m/s
Which has greater momentum, the jeepney or themotorcycle?
a. jeepney
c. both have the same momentum
b. motorcycle d. cannot be determined
Two identical cars are travelling along EDSA. Which of thetwo cars would have a greater momentum?
a. the slower car c. both have the same momentum
b. the faster car d. cannot be easily determined
A 25-kg girl is riding a 5-kg with a velocity of 5 m/s the East. What is the total momentum of a girl and a b
5a 5 a
together?
a. 100 kg m/s
b 125 kg m/s
c. 150 kg m/s
d. 200 m/s
Which of the following is a necessary condition for the totalmomentum of a system to be conserved?
Kinetic energy must not change
b. No net external force acts on the system.
C. The system must be at rest.
d. Only the force of gravity acts on the system
For numbers 6 and 7 the given data are:
Two 0.5 kg balls approach each other with the same speedof 1.0 m/s.
What is the total momentum of the system beforecollision?
5.
6.
a.o
7.
b. 0.50 kg m/s c. 1.0 kg m/s
d.-1.0 kg m/s
A lady tennis player hits an approaching ball with a force of750 N If she hits the ball in 0.002 s,
how much impulse is imparted to the tennis ball?
a. ONS
b. 1.5 NS C. 3.0NS d. 6.0 Ns
Which sequence of energy transformation best describes what happens when you switch on yo
radio?
8.​