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WorksheetsAP1 Formulas 2
Total questions: 19
Worksheet time: 10mins
Name
Class
Date
1.
In this formula, if Δt increases, what will happen to F?
a)
Decrease
b)
Stay the same
c)
Increase
d)
Not enough information
2.
In this formula, if Fnet becomes zero, what will the new value of a be?
a)
Same as the old value
b)
Double the old value
c)
Half the old value
d)
Zero
3.
In this formula, I is current and q is charge. In what units is charge measured?
a)
amperes
b)
coulombs
c)
volts
d)
ohms
4.
In this formula, by what factor will v change if m is doubled (assuming no external forces)?
a)
1/2
b)
1 (no change)
c)
2
d)
0
5.
In this formula, what would ac be is v = 2m/s and r=2m?
a)
1/2m/s2
b)
1m/s2
c)
2m/s2
d)
4m/s2
6.
In this formula, if voltage is 10V and the resistance is 2Ω, what will the current be?
a)
1A
b)
2A
c)
5A
d)
25A
7.
In this formula for potential energy of a spring, what does k measure?
a)
kinetic energy
b)
Coulomb's constant
c)
spring constant
8.
On a skateboard ramp, the sum of these two formulas (gravitational potential energy, kinetic energy) is 0. Which Law of Conservation states this?
a)
Momentum
b)
Angular Momentum
c)
Energy
d)
Mechanical Energy
9.
Look at this formula. If a merry-go-round doubled its rotational speed, by what factor would the rotational kinetic energy increase?
a)
1/2
b)
1 - no change
c)
2
d)
4
10.
Look at this formula. If a rotating disk starts at 1 rad, then the angular velocity, ω, increases to 2rad/s and remains at this velocity for 5s, what will the new angular displacement be in radians?
a)
6rad
b)
11rad
c)
16rad
d)
21rad
11.
Look at this formula. If you drop a ball from the top of a 30m tall building, how far will it drop after 2s? (Assume g=10m/s2)
a)
5m
b)
10m
c)
20m
d)
40m
12.
Look at this formula. You just dropped a ball from the top of a 30m tall building. How fast will it be moving after 2s? (Assume g=10m/s2)
a)
5m
b)
10m
c)
20m
d)
30m
13.
Look at this formula. How much power would it take to do 25J of work in 5s?
a)
0.2W
b)
0.5W
c)
5W
d)
25W
14.
Look at this formula. How much work is required to pick up a 15kg box and raise it 2m above the ground? (Assume g=10m/s2, cosθ=1)
a)
15J
b)
30J
c)
150J
d)
300J
15.
This frequency of the note A below middle C is 440Hz. If the speed of sound at sea level at 20°C 1s 340m/s, what is the wavelength?
a)
1.54m
b)
1m
c)
.77m
16.
Look at the formula. What will the force be between two charges of 1C at a distance of 30m? (k=9x109)
a)
10-7N
b)
1N
c)
107N
17.
Look at this formula. The maximum displacement of an oscillating spring, x, is known as the amplitude of the spring. What would happen to the potential energy of the spring if the amplitude were doubled?
a)
1/4x
b)
1/2x
c)
2x
d)
4x
18.
Look at this formula for resistivity. l is the length of a conductor in m, and A is the cross-sectional area of the conductor (ρ is a constant). Compare two conductors, one with l=1m and one with l=2m. Which would have more resistivity?
a)
1m long conductor
b)
2m long conductor
c)
Not enough information given
19.
Look at this formula for period of a pendulum (l is length in m, g is grav field strenght). What variable could you change that would change the period?
a)
π
b)
g
c)
l
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