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WorksheetsRegents Physics Review (21-22)
Total questions: 108
Worksheet time: 3hrs 51mins
What is happening between 4 and 5 seconds?
The object is slowing down in a negative direction.
The object is slowing down in a positive direction.
The object is speeding up in a positive direction.
The object is speeding up in a negative direction.
Find the displacement in the first 5 seconds.
8 centimeters
4 centimeters
2 centimeters
5 centimeters
Find the total displacement in the 7 seconds of motion.
1 centimeter
0 centimeters
9 centimeters
12 centimeters
A person walking along a straight line moves such that her velocity as a function of time can be represented by the graph above. At what time does the person have the same position as she had at time t = 0?
At t = 5 s
During the interval 5 s < t < 8 s
At t = 8 s
During the interval t > 8 s
Total distance an object travels with direction.
Displacement
Distance
Path
Velocity
Which is a vector quantity?
distance
speed
displacement
time
A car travels a distance of 98 meters in 10. seconds. What is the average speed of the car during this 10.-second interval?
4.9 m/s
9.8 m/s
49 m/s
98 m/s
The pendulum in the image above has a mass of 1 kg and is dropped from a height of 0.5 m. How much kinetic energy does it have at B?
0.5 J
4.9 J
9.8 J
1.0 J
What type of wave is light?
electromagnetic
mechanical
If an object has a mass of 20 kg and a velocity of 4 m/s, what is the momentum of the object?
80 kgm/s
4 kgm/s
5 kgm/s
.2 kgm/s
Which object has more momentum?
motorcycle at 15 mph?
bike at 15 mph
car at a stoplight
runner at 10 mph
The amount of energy a wave carries is the _________.
Amplitude
Height
Loudness
Volume
A roller coasters accelerates from an initial speed of 6.0 m/s to a final speed of 70 m/s over 4 seconds. What's the acceleration?
24 m/s2
18 m/s2
16 m/s2
16 m/s
Acceleration is
the rate at which velocity changes.
the change in velocity
the rate of change
when you speed up only
direction
A deer running 15 meters per second due west
100 N 230 N
<------ --------->
What is this Equation: a2+b2=c2
Standard Vector Form
Resultant Vector
Pythagorean Theorem
Equation of a Circle
At what point is vy= 0 m/s?
A
B
C
D
None of these points
When an object is moving, friction acts in the _______ direction as the motion.
perpendicular
same
opposite
precise
The equation for the force of friction is _______.
Ff = µFg
Ff = µFN
Ff = µFT
Ff = µFs
What is the definition of net force?
a push or a pull that acts on an object
Net force equal 0N and there is no change in the object's motion
the overall force acting on an object after all the forces are combined
The force does not equal 0N, the object accelerates
What do we call a force that has a net force of zero Newtons and the object does not change its motion?
balanced force
unbalanced force
acceleration force
net force
What do we call a force that causes an object to accelerate?
net force
moving force
acceleration force
unbalanced force
What is the magnitude and direction of the force in the free body diagram shown?
70 N right
70 N left
50 N right
50 N left
What is the magnitude and direction of the force in the free body diagram shown?
20 N, no change in motion
20 N right
20 N left
0 N , no change in motion
What is the magnitude and direction of the force in the free body diagram shown?
2000 N forward
800 N backward
1200 N forward
2800 N forward
What is the magnitude and direction of the force in the free body diagram shown?
35 N right
17 N right
11 N right
5 N right
What is the magnitude and direction of the force in the free body diagram shown?
5 N down
0 N, no change in movement
15 N up
15 N down
Newton's First Law: An object in motion will stay in motion and an object at rest will stay at (a) unless acted on by an outside force.
The momentum of an object depends upon the object's ___________&_____________.
size and shape
mass and speed
mass and veloctiy
mass and energy
An impulse depends on
weight and force
force and time
electric charge and time
none of these
An object having a pi of 30kg m/s has ended with a pf of 40 kg m/s. What impulse caused this?
2kg m/s
10kg m/s
70kg m/s
5kg m/s
If the change of momentum of an object is 50kg m/s, we can say the impulse is equal to:
0 kg m/s
25 kg m/s
50 kg m/s
100 kg m/s
In an equation Impulse is represented with the letter...
I
M
J
P
A 6kg cat misjudges a jump and falls 5 meters. How much gravitational potential energy does the cat have? (The cat is fine by the way.)
294 J
180000 J
1225 J
3920000 J
What is the kinetic energy of a 1,600kg Mustang travelling at 15 m/s (33mph)
180000 J
294 J
1225 J
3920000 J
What is the unit for distance?
kilogram (kg)
meter (m)
Newton (N)
Joule (J)
What is the unit for energy?
kilogram (kg)
meter (m)
Newton (N)
Joule (J)
What is the formula for speed?
distance / time
mass x acceleration
velocity / time
½(mass) x (velocity)2
(mass) x (acceleration of gravity) x (height)
What is the formula for force?
distance / time
mass x acceleration
velocity / time
½(mass) x (velocity)2
(mass) x (acceleration of gravity) x (height)
What is the formula for acceleration?
distance / time
mass x acceleration
velocity / time
½(mass) x (velocity)2
(mass) x (acceleration of gravity) x (height)
