Momentum
Calculate the momentum of a 2kg object moving at 3 m/s.
6 kgm/s
Calculate the work done if a 12 N force is applied while pushing an object a distance of 10 m.
120 J
Is the charge 2.2 x 10 ^-19 C possible? Why or why not?
No, must be a whole number multiple of electrons (1.6x10^-19 C)
Calculate the current in a wire that has 200 C flow through in 4 minutes
.83 A
For a mechanical wave, what characteristic of the wave is related to the energy?
Amplitude
Determine the impulse when a force of 10 N is applied to an object for 4 seconds.
40 Ns
Calculate the work done in order to lift a 3kg object a distance of 8 m.
235.2 J
Object A and Object B are rubbed together. Object B gained 100 electrons. Object A _______
Lost 100 electrons
Calculate the voltage in a circuit with a current of 12 A and a resistance of 3 ohms
36 V
For an electromagnetic wave, what characteristic of the wave is related to the energy?
Frequency
Determine the amount of time a force of 5 N East is applied to a 3kg object to accelerate it from 1m/s to 4 m/s.
1.8 seconds
Calculate the power that a car engine creates when applying a force of 5000N at a velocity of 4 m/s.
20,000 W
A force of 20 N exists between two charges separated by some distance. What is the new force between the charges if the distance between them is doubled?
5 N
Determine the equivalent resistance of a 5 Ohm, 10 Ohm and 20 Ohm resistor all connected in parallel.
2.89 Ohms
Calculate the frequency of a wave that has a wavelength of 8 m and a velocity of 16 m/s.
2 Hz
2m/s east
A 2 kg object begins at the top of a 4 m tall ramp. Calculate the velocity of the object at the bottom of the ramp.
8.85 m/s
An electron is placed in an electric field with electric field lines pointing North. In which direction will the electron experience a force?
South
A 10 Ohm, 20 Ohm, and 30 Ohm resistor are connected together in series to a batter of 12 V. Calculate the current through the 30 Ohm resistor.
.2 A
24 waves pass a point every 40 seconds. Calculate the period of the waves
1.7 s
Explain in a full sentence what an airbag does to the amount of impulse, force, and time, that a person feels during a crash as compared to no airbag.
The airbag applies the same impulse over a longer period of time with a smaller force.
After sliding down a ramp with friction an object that has a mass of 4kg is moving at 2m/s and there is 50 J of heat. Calculate the height that the object began sliding from.
1.47 m
The force between two charges is F when separated by a distance d. Calculate the force between the charges if both charges triple and the distance between them is halved.
36 F
A 2 Ohm, 4 Ohm, and 28 Ohm, resistor are all connected in parallel. If there is 7 A flowing through the 4 Ohm resistor, determine the total current in the circuit.
22 A
Determine the index of refraction for a material in which light moves at 1 x 10 ^8 m/s.
3