LIGAO NATIONAL HIGH SCHOOL
SENIOR HIGH SCHOOL
GRADE 12
5. Consider the graph below, what is the
acceleration in m/s2?
GENERAL PHYSICS 1
ASSESSMENT
WEEK 2
1. A ball is thrown upward. While the ball is in freefall, its acceleration _________________.
A. increase
B. decrease
C. remain constant
D. cannot be determined
2. A straight track is 1600 m in length. A runner
begins at the starting line, runs due east for the full
length of the track, turns around, and runs halfway
back. The time for this run is five minutes. What is
the runner’s average velocity in m/s?
A. 0
B. 2.7 m/s East
C. 8 m/s East
D. 300 m/s West
3. Two cars are moving on straight sections of a
highway. The acceleration of the first car is greater
than the acceleration of the second car and both
accelerations have the same direction. Which one of
the following is true?
A. The velocity of the first car is always
greater than the velocity of the second
car.
B. The velocity of the second card is always
greater than the velocity of the first car.
C. In the same time interval, the velocity of
the first car changes by a greater amount
than the velocity of the second car does.
D. In the same time interval, the velocity of
the second car changes by a greater
amount than the velocity of the first car.
4. Consider the following motions of an object in one
dimension. At what instance of time in the motion of
these objects is the instantaneous velocity and the
average velocity over the entire interval are the
same?
A. A ball is thrown directly upward, rises to its
highest point, and falls back into the
thrower’s hand.
B. A race car starts from rest and speeds up to
100 m/s along a straight line.
C. A spacecraft on the way to another star
drifts through empty space at constant
velocity.
D. Cannot be determined
A. -2.7
B. -2.5
C. 2.5
D. 2.7
For numbers 6-8, refer to the graph below:
6. At which points is the velocity positive?
A. P
C. R
B. Q
D. S
7. At which points is velocity negative?
A. P
C. R
B. Q
D. S
8. At which points is velocity zero?
A. P & R
C. R & S
B. Q & S
D. S & P
9. The position of a particle moving along the x axis
is given by x = (21 + 22t - 6.0t2)m, where t is in s.
What is the average velocity during the time interval
t = 1.0 s to t = 3.0 s?
A. -6.0 m/s
B.-4.0 m/s
C.-2.0 m/s
D.-8.0 m/s
10. An object moving along the x-axis has its position
given by the equation x = 2.0t2 − 3.0t + 4 , with x
in meters and t in seconds. What is the acceleration
of the object at time t = 4.0s?
A. 24 m/s2
B. 13 m/s2
C. 16 m/s2
D. 4.0 m/s2
11. Which of the following statements about speed
and velocity is correct?
A. Speed describes how an object is
changing its velocity.
B. Speed and velocity both describes how an
object is speeding up.
C. Velocity only describes an object’s rate of
motion.
D. Only velocity includes the direction an
object is travelling.
12. A young man went jogging one early morning.
He started from home ad arrived at a basketball
court, 200 meters away, within the first five minutes.
He continued jogging and passed by the church,
another 50 meters away, within the following two
minutes. He followed a straightline path from his
home, to the basketball court, and then to the
church. What is the man’s average velocity from his
home to the basketball court?
A. 0
B. 30 m/min
C. 40 m/min
D. 50 m/min
For No. 13 & 14, refer to the situation below:
A farmer brought his harvest to the market on
his truck. The displacement of the truck varies
in time as: x = (0.5 m/s2) t2 + (10 m/s) t
13. What is the velocity of the truck after 10 s?
A. 0
B. 20 m/s
C. 50 m/s
D. 150 m/s
14. What is the acceleration of the truck after
30 s?
A. 0
B. 0.50 m/s2
C. 1.0 m/s2
D. 11 m/s2
15. A ball is thrown into the air vertically from the
ground and falls back to the ground 2.0s later. How
high did the ball reach?
A. 4.9 m
B. 9.8 m
C. 19.6 m
D. 98 m
-goodluck!!!-