The Physics Formula review game.
Question 1
A boat was moving at 10m/s
and accelerated at 2m/s/s for
10 seconds. Which of the
following is its final speed?
Answer 1
A = Vf – Vi / t
acceleration
Question 2
 A soccer player kicks a 0.1kg ball that is
initially at rest so that it moves with a
velocity of 20 m/s. What is the impulse
the player imparts to the ball? If the
players foot was in contact with the ball
for 0.01s, what was the force exerted by
the player’s foot on the ball?
Answer 2
Impulse
J = Ft = mv
Question 3
A ball has a momentum of 15
kg.m/s. It strikes a motionless ball
and stops. If the second ball has a
mass of 5kg, what is the magnitude
of its velocity after the collision?
Answer 3
Momentum
P = m x v
Question 4
A force of 500 N is exerted on
a baseball by the bat for
0.001s. What is the change in
momentum of the baseball?
Answer 4
Impulse
J = Ft = mv
Question 5
The specific heat of copper is
0.385 J/g C. How much thermal
energy is required to increase
the temperature of a 20g sample
of copper from 20 – 50 C.
Answer 5
 Heat Gained or Lost
 Q = mcpT
Question 6
 Two opposite charges of magnitude 3.0 x 10^-4
Coulomb and 4.0 x 10^-4 coulomb attract each other
with a force of 3.6 x 10 N.
 What distance in meters is between the two charges?
Answer 6
 Force between 2 charged particles
 Fe = Kc ( q1q2/d^2)
Question 7
 Calculate the total resistance of the circuit below.
Answer 7
 Equivalent resistance for resistors in parallel
 1/R = 1/R1 + 1/R 2 + 1/R3
Question 8
 What is the power supplied by the 5.0 Volt battery in 3
seconds if the circuit has a current of 25amps?
Answer 8
 Electrical Power
 P=VxI
Question 9
The speed of sound in water at a
temperature of 25 C is 1500 m/s.
What is the wavelength of a 300
Hz sound wave traveling
through water at a temperature
of 25 C?
Answer 9
 Velocity of a Wave
 Frequency x wavelength
Question 10
 A pitcher throws a fast ball horizontally
toward home plate 18.39 meters away. If the
ball is traveling at a speed of 40.0 m /s,
neglecting air friction, how long does it take
the ball to get to home plate?
Answer 10
 Velocity
 Distance / Time
Question 11
A motor gives a 5 kg load a
horizontal acceleration of 4 meters
per second squared. What is the
magnitude of the force applied by
the motor?
Answer 11
Net Force
Mass x Acceleration
Question 12
Which of the following is the
minimum amount of work
done by a hydraulic lift to
raise a 150 kg aluminum
block 2.0 m vertically?
Answer 12
Work
Force x Distance
Question 13
A 125 kg skier began moving
down a slope at 5 m/s and was
going 10 m/s by the time he
reached the bottom. How
much work was performed
here?
Answer 13

Work
W = Change in KE
Question 14
A ball is thrown straight down
at a speed of 5.0 m/s and
accelerates under the pull of
gravity for 2.o seconds. How
fast is it moving?
Answer 14
Acceleration
A = Vf – Vi / t
Question 15
 The masses for Earth and the Moon are listed below
along with the average distance between their centers.
 Earth’s mass = 5.98 x 1024 kg
 Moon’s Mass = 7.36 x 1022 kg
 Distance = 3.84 x 108
 What is the attraction due to gravity of Moon on the
Earth?
Answer 15
 Force of gravitational attraction between 2 objects
 Fg= G ( m1m2)/ d2
Question 16
A force of 1000N is exerted on a golf
ball for 0.005s. The change in
momentum of the golf ball is?...
Answer 16
Impulse
J = Ft = mv
Question 17
 A 2.5 kg book slides horizontally and falls
from a shelf 3.0 m above the floor. How
much work does the force of gravity do on
the book as it falls 3.0m?
 2 steps ( list both to get question correct)
Answer 17
1. Mass x Gravity = Force
2. Work = Force x Distance
Question 18
A spring does 5.0 J of work on a
0.10Kg ball bearing in a pinball
machine. The ball’s resulting
speed just after leaving the spring
is ?
Answer 18
Work
W = change in KE
½ m ( V22 – V12)
Question 19
The current supplied by the battery
for the diagram is 0.17 amps. What
is the potential difference across
the 20.0 ohm resistor?
Answer 19
Current
I = V/R
Question 20
 If you have a Wave with a period of .007 S and a
wavelength of 2 m , what is the wave speed?
 ( 2 Steps, must write both to get question correct)
Answer 20
 1. Find Frequency
1/period
 2. Wave speed = frequency x wavelength
Question 21
If you have an object that is 5 m
from a magnifying lens that
portrays an image that is 10 m away
from the lens. What is the focal
length of this lens?
Answer 21
 1/ focal length =
1/distance to image + 1/ distance to object
Question 22
 A 600 N person runs up a set of stairs that is 2.5 meters
high in 2 seconds. How much power is generated?
 (2 steps, include both to get question correct)
Answer 22
 1. work = force x distance
 2. power = work /time
Question 23
A car traveled 240km in 3 hours.
What was its average speed in km
per hours?
Answer 23
Velocity = d/t
Question 24
The speed of a car is decreasing
uniformly from
35 m/s to 15 m/s in 4 seconds. What
is the magnitude of the car’s
acceleration?
Answer 24
Acceleration
A = Vf – Vi / t
Question 25
A 1000 kg car traveling east at
20 m/s collides head-on with a 1200
kg car traveling west at 15m/s.
Assuming the cars stick together
after impact, what is their
momentum after the collision?
Answer 25
Law of Conservation of
Momentum
M1V1 + M2V2 = M1V1 + M2V2