60 questions
A roller coaster has a mass of 250 kg, and is 50 meters above the ground, what is the potential energy?
122,500 Joules
5,600 Joules
234,799 Joules
A weight lifter lifts a set of 1250kg weights a vertical distance of 2m in a weight lifting contest. What Potential Energy do the weights now possess?
12,789 Joules
24,500 Joules
4,500 Joules
Current times Resistance equals
Power
Voltage
Amperage
Ohm
Voltage divided by Resistance
Current
Power
Ohms
Watts
Voltage divided by Current
Current
Power
Resistance
Watts
If the battery produced 12.6 Volts what would be the current flow for a 6 Ohm resistor?
2.1 Amps
2.4 Amps
1.71 Amps
15 Amps
What is the resistance if the current is 2A and the voltage is 10V?
8 Ω
20 Ω
12 Ω
5 Ω
What is the total resistance of this circuit?
25.7 Ohms
324 Ohms
315 Ohms
90 Ohms
What property of this wave is represented by the letter "A"
amplitude
crest
trough
wavelength
A wave has a frequency of 10 hz and a wavelength of 4 m. What is the velocity of the wave?
24 m/s
40 m/s
2.5 m/s
A wave has a velocity of 10 m/s and a frequency of 20 hz. What is the wave length of the wave?
2 m
0.5 m
10 m
A wave has a velocity of 4 m/s and a wavelength of 2 m. What is the frequency of the wave?
2 hz
8 hz
18 hz