What is the kinetic energy formula?
KE=1/2∙m∙v²
KE=m∙g∙h
KE=m∙g
KE=m∙v²
What is the potential energy formula?
PE=1/2∙m∙v²
PE=m∙g∙h
PE=m∙g
PE=m∙v²
On earth, the acceleration of a free-falling object would be ___. However, in this quiz not all the questions have this as the acceleration.
9.8
1
5
9.8²
You serve a volleyball with a mass of 2.1 kg. The ball leaves your hand at a speed of 30 m/s. What is the amount of energy the object has?
KE=945 joules
KE=1890 joules
KE=2958 joules
KE=623 joules
A baby carriage is sitting at the top of a hill that is 21 m high. The carriage with the baby weighs 12 kg and accelerates at 6 m/s. What is the amount of energy the object has?
PE=498 joules
PE=564 joules
PE=42 joules
PE=1512 joules
A car is traveling with a velocity of 40 m/s. If the kinetic energy is 73,600 joules, what is the mass of the object?
13,121 kg
36 kg
102 kg
92 kg
A 99 kg cinder block is sitting on a platform 20 m high with an acceleration of 15 m/s. What is the amount of energy the object has?
KE=36,000 joules
KE=297,000 joules
KE=154,000 joules
KE=3,000,000 joules
Acceleration= 6, Mass= 145, and Height= 21 m. What is the amount of energy the object has?
12,870 joules
71,800 joules
18,270 joules
80,271 joules
Gravitational Potential Energy-__________________________.
Energy of motion
Energy depending on vertical position (mass & height)
Energy stored in stretchy materials
Energy stored that measures amount of moving particles in a object
Elastic Potential Energy- _____________________.
Kinetic Energy- _________________.
Select each of the situations that involves kinetic energy.
Ball being dropped
Sledding
Airplane going to land
Swinging
Bow and arrow
Triggering a gun
Diver diving
Select the following situations that use gravitational energy.
Select the following situations that use elastic potential energy.
