AP Physics 1 Final Exam| 100+ Questions and Verified Answers (2023/ 2024 Update) |100% Correct
QUESTION
The electric field strength in a vacuum at a
... [Show More] point at a distance from a source change is NOT
dependent on which of the following? (select 2)
A: another charge placed at that point
B: the magnitude of the source change
C: the distance from the source change
D: The sign of the source change
Answer:
another charge placed at that point
The sign of the source change
QUESTION
An object is thrown horizontally off a high cliff at 7.5 m/s (assume altitude near sea level and
neglect air resistance). what is displacement after 2 seconds?
A: 27.5 m
B: 25 m
C: 20 m
D: 15 m
Answer:
25 m
QUESTION
What is the objects acceleration during interval t=0 to t=3 s?
A: 0.4 m/s^2
B: 1 m/s^2
C: 1.5 m/s^2
D: 2 m/s^2
Answer:
1 m/s^2
QUESTION
What is the distance an object covers during the interval t=0 s to t=5 s?
A: 25 m
B: 16.5 m
C: 15 m
D: 8.5 m
Answer:
16.5 m
QUESTION
A ball is thrown in a projectile motion trajectory with an initial velocity v at an angle θ above the
ground. If the acceleration due to gravity is -g, which of the following is the correct expression
of the time it takes for the ball to reach its highest point, y, from the ground?
A: v^2sint/g
B: =vcosθ/g
C: vsinθ/g
D: v^2cosθ/g
Answer:
vsinθ/g
QUESTION
A bubble in a glass of water releases from rest at the bottom of the glass and rises at acceleration
a to the surface in t seconds. How much farther does the bubble travel in its last second than in
its first second?
A: at
B: (t-1)a
C: (t+1)a
D: 1/2at
Answer:
(t-1)a
QUESTION
An object is thrown with an initial speed of 7 m/s directed 45 degrees above the horizontal from
a cliff. After reaching the peak of its trajectory, it falls 20 m to the ground below. What is the
approximate ratio of the time it takes to hit the ground from the peak of the trajectory to the time
it takes from its release to the peak of the trajectory?
A: 0.5
B: 1
C: 2
D: 4
Answer:
4
QUESTION
A person standing on a horizontal floor is acted upon by 2 forces: the downward pull of gravity
and the upward normal force of the floor. These 2 forces
A: have equal magnitudes and form an action-reaction pair
B: have equal magnitudes and do not form an action-reaction pair
C: have unequal magnitudes and form an action-reaction pair
D: have unequal magnitudes and do not form an action-reaction pair
Answer:
have equal magnitudes and do not form an action-reaction pair
QUESTION
a 50 kg block resting on flat ground is attached by a hook at the center of its top face to a rope,
which is then pulled by a man such that it makes an angle of 30 degrees with the horizontal. If
the man pulls with a force of 200 N and the coefficient of kinetic friction between the block and
the ground is 0.2, what horizontal acceleration does the block undergo?
A: 3. 2 m/s^2
B: 2.8 m/s^2
C: 1.9 m/s^2
D: 1.4 m/s^2
Answer:
1.9 m/s^2 [Show Less]