WorksheetsPhysics Final Exam 2024
Total questions: 100
Worksheet time: 2hrs 6mins
An object experiences a net force of 20 N and has an acceleration of 4 m/s2. The object’s mass must be
20 kg
5 kg
80 kg
2 kg
Suppose a tree branch falls down to the ground with constant acceleration and takes 2 seconds to hit the ground. Which of the following statements regarding the path of the branch is true?
It covers the same distance during the first second as it does during the last second.
It covers more distance during the last second
It covers less distance during the last second
Its acceleration is increasing during the time it falls
A position vs time graph can be used to calculate an object's
speed
velocity
acceleration
momentum
21.4+15+17.17+4.003
What happens to resistance when the length of the wire increases?
Stays the same
Increases
Decreases
What is the resistance if the voltage is 10V and the current is 2A?
20 Ω
5 Ω
12 Ω
8 Ω
A potential difference of 24 V is applied to a 150 resistor. How much current flows through the resistor?
0.15 A
3600 A
6.25 A
0.16 A
The voltage supplied to a circuit is 17 V and the current running through is 10 A. What is the power generated?
170 W
170 A
1.7 V
1.7 W
What is the current in an electric circuit?
The energy of the circuit
The flow of electrons in the circuit
The power of the circuit
The SI unit for current is
kilowatt·hour
ampere
coulomb
volt
The area of magnetic force around a magnet is known as its _____________.
magnetic field
magnetic declination
magnetic fan lines
magnetic tan lines
Looking at the field lines in this picture, these two magnets are ________
Attracting
Repelling
Attracting and Repelling
Doing nothing
This can be produced when there is a large temperature difference between the ground and the air.
reflection
aberration
dispersion
mirage
A race car completes three laps of a circular track with a radius of 35 m in 9.0 seconds. Determine the speed of the car.
3.9 m/s
73.3 m/s
24.4 m/s
1.0 m/s
How do you calculate power?
P = W/t
P = E/t
P = w * t
None of the above
A car skids to a stop along a level highway. Is this an example of positive, negative or zero being done on the car?
Is this an example of positive, negative, or zero work being done on the ca
Positive
Negative
Zero
Light travels from air (n = 1.00) into a glass block that has an index of refraction of 1.46. The incident ray of light hits the surface at angle of 45o. At what angle will the light ray enter the glass? n1sin(Θ1) = n2sin(Θ2)
45o
29o
31o
64o
Light travels from air (n = 1.00) into a "mystery" material. The incident ray of light hits the surface at angle of 43o and the refracted ray enters the mystery material at an angle of 27o. What is the index of refraction of the mystery material? n1sin(Θ1) = n2sin(Θ2)
1.5
1.0
0.67
2.1
What is the speed of light in a vacuum?
3.0 x 108 m/s
1.0 x 108 m/s
10 m/s
5.0 x 108 m/s
What force is acting on the cat at the end?
Gravity
Friction
Momentum
Is this Balanced or Unbalanced force.
Unbalanced force
Balanced force
What is force
A push or pull
The tendency to move an object
Which of the following is not an acceleration?
a. Turning your bike around a corner
b. Applying the breaks as you approach an intersection
c. Pedaling faster to beat a read light.
d. Riding your bike straight down the street at a constant speed.
In the free-body diagram, which of the following is the gravitational force acting on the balloon?
5120 N
950 N
1520 N
4050 N
What is the velocity at the top of the path when a ball is thrown into the air?
9.81 m/s; up
9.81 m/s; down
0 m/s
Cannot be determined
What is the straight-line length between a starting point and an end point for a motion path with direction?
Distance
Displacement
Speed
Velocity
What is the length of the curved path taken by an object?
Displacement
Distance
Speed
Velocity
Which would fall with greater acceleration in a vacuum (no air), a feather or a metal bolt?
Feather
Metal Bolt
They would accelerate at the same rate.
It is difficult to determine without more information.
The material through which a wave travels
Mechanical Wave
Medium
Crest
Trough
When light waves move from passing through air to passing through a glass lens when happens to them?
They slow down and change direction
They speed up and change direction
They maintain the same speed and change direction
They maintain their same speed and direction
Which letter represents the angle of incidence?
A
B
C
D
What is the scientific name of length f in the diagram?
Focal length
Lens length
Object distance
Image
What type of lens do humans have in their eyes?
Diverging Lens
Converging Lens
The momentum of an object depends upon the object's ___________&_____________.
size and shape
mass and veloctiy
mass and energy
When comparing the momentum of moving objects, which of the following is correct?
Object A: 10 kg traveling at +8 m/s
Object B: 8 kg traveling at -10 m/s
Object C: 5 kg traveling at +20 m/s
Object A has the greatest momentum
The more massive object has the greatest momentum
Object C has the greatest momentum
The object traveling the fastest will ALWAYS have the greatest momentum
