WorksheetsPE,KE and EPE
Total questions: 7
Worksheet time: 4mins
The three types of mechanical energies are:
chemical, potential, and elastic potential
gravity, potential, and work
Potential, gravity, and elastic
elastic, potential, and kinetic
If I begin with 10J of energy I should end with ___________ of energy.
20J
10J
5J
2.5J
When the height of an object is zero, potential energy is ____________.
cannot determine
0J
mg
2 1mv2
When you are at the highest point on a roller coaster, the kinetic energy is _____________
zero because the velocity is zero at the highest point
is always a positive value because velocity is positive at the highest point
zero because Mrs. Eida said it like 100 times.
is negative because at the highest point you are going downward
Calculate the potential energy of a 5.2-kg object positioned 5.8 m above the ground.
87.46 J
301.6 J
288.6J
0J
Kelli has a mass of 42 kg, and she is sitting on a playground swing that hangs .4 m above the ground. Her mom pulls the swing back and releases it when the seat is 1 meter above the ground. How fast is Kelli moving when the swing passes through its lowest point?
3.26 m
3.26 m/s
3.46 m
3.46 m/s
A block of mass 2 kg is moving at a speed of 4 m/s on a frictionless surface toward a spring. The spring has a spring constant of 20 N/m
How fast is the block going when it has compressed the spring .05 m?
3.97 m/s
87 m/s
cannot be determined
0 m/s
