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WorksheetsPRELIM EXAM IN PHYSICS LECTURE
Total questions: 50
Worksheet time: 1hrs 24mins
It is the science that studies matter and its motion.
Physics
Chemistry
Biology
Psychology
It is a branch of physics that deals with the behavior of objects and systems in response to various forces.
Classical Physics
Mechanics
Thermodynamics
Physics
Relativity
It is a branch of Physics that studies the nature and behavior of light.
Optics
Nuclear Physics
Thermodynamics
Quantum Mechanics
It is a branch of physics that includes various areas of study based on quantum theory which deals with matter and electromagnetic radiation, and the interactions between them.
Optics
Nuclear Physics
Thermodynamics
Quantum Physics
It is a branch of physics that studies about heat and other forms of energy, and of the conversion of energy from one form to another.
Optics
Nuclear Physics
Thermodynamics
Quantum Physics
All of the following are base units of the SI system except:
kilogram
liter
meter
kilometer
The metric prefix for one one-thousandth is
mili
centi
kilo
mega
Which one is not a base quantity?
time
weight
mass
length
What is the force that pulls us towards the Earth?
Gravity
Tension
Friction
Air Resistance
Which statement describes a scalar?
direction
What is the resultant force?
17 N, Left
6N, Right
None of the above
11N, Left
What is the resultant/ net force?
400 N Up
400 N Down
- 400 N Down
800 N Down
What is the resultant force?
40 N left
0 N Balalnced
400 N right
40 N right
7. For winter, a duck flies 10 m/s due to south against a gust of wind with a speed 2.5 m/s. What is the resultant velocity of the duck?
7.5 m/s, north
12.5 m/s, south
7.5 m/s, south
12.5 m/s, north
A car goes from rest to 30 m/s. If it takes the car 40 seconds to reach that speed then what is the car's rate of acceleration?
1.33 m/s2
0.75 m/s2
10 m/s2
0 m/s2
A car is traveling south for 250 meters over the course of 100 seconds. What was the car's average velocity?
0.4 m/s south
0.4 m/s
2.5 m/s
2.5 m/s south
Horse A is running East at a speed of 6 m/s. Horse B is running at a speed of 8 m/s East as it passes Horse A. What is Horse B's velocity relative to Horse A?
14 m/s
-2 m/s
2 m/s
48 m/s
for 8 s until it finally lifts off the ground.
Determine the velocity at take-off.
You toss a ball straight upward, in the positive direction. The ball falls freely under the influence of gravity.
At the highest point in the ball’s motion,
its velocity is zero and its acceleration is zero.
its velocity is zero and its acceleration is positive (upward).
its velocity is zero and its acceleration is negative (downward).
its velocity is positive (upward) and its acceleration is zero.
its velocity is positive (upward) and its acceleration is zero.
A hacky sack is thrown up into the air with an initial velocity 3 m/s. What is the hang time of the hacky sack if it returns to the same point from which it was thrown?
0.3 seconds
0.61 seconds
1.2 seconds
3.26 seconds
A bowling ball is dropped in a vacuum chamber. As it falls, the acceleration of the bowling ball
decreases
increases
remains the same
Which would hit the ground first if dropped from the same height in a vacuum—a feather or a metal bolt?
the feather
the metal bolt
They would hit the ground at the same time.
They would be suspended in a vacuum.
If you throw a ball straight up, what is its velocity at the highest point?
9.81 m/s2
0.0 m/s2
9.81 m/s
0.0 m/s
A free falling object is moving downwards at 27 m/s. If it continues to fall, 1 second later the object would be moving with downward speed of approximately
270 m/s
37 m/s
27 m/s
17 m/s
An object is thrown upwards with a speed of 14 m/s. How high does it go?
5 m
10 m
15 m
20 m
The object that was thrown upwards with a speed of 14 m/s spends how much time in the air?
2.8 s
14 s
7 s
1.4 s
Alison Wonderland has a vertical leap of .47 m. What is her hangtime?
0.096 s
0.31 s
0.62 s
0.15 s
If magically Alice's hangtime became 1.2 seconds, how high would she jump?
3.5 m
7.6 m
0.88 m
1.7 m
After crawling across a rocky road, Denise Hirt finds the perfect stone. She tosses it up at a speed of 12m/s. How high will the stone be after 2 seconds have passed?
4.4 m
24 m
19.6 m
43.6 m
If a seagull was walking down the road at a leisurely pace of 0.75 m/s, how far way should the bird be when Denise lets the stone go (if she wants it to land directly in front of the obnoxious bird)
11.25 m
2.6 m
1.3 m
9.8 m
A dolphin jumps from the water. The equation h = -16t2 + 80t models the dolphin's height at any given time, t. What is the maximum height the dolphin jumps?
1 foot
5 feet
96 feet
100 feet
s(t) = –16t2 + 64t + 80.
What will be the object's maximum height?
If a ball thrown straight up into the air takes 4 seconds to reach the top (peak), how long will it take to travel from the peak back to the original position?
0s
1s
3s
4s
What is the velocity of an object launched straight up at its highest point?
zero
equal to its vx
½ its maximum value
equal to gravity
A baseball player throws a ball horizontally (at an angle of 0o). Which statement best describes the ball’s motion after it is thrown? (Neglect air resistance)
Its vertical speed remains the same, and its horizontal speed remains the same.
Its vertical speed increases, and its horizontal speed increases.
Its vertical speed increases, and its horizontal speed remains the same.
Its vertical speed increases and its horizontal speed decreases
