What is a traveling disturbance that carries energy from one place to another?
Waves
Which type of matter has no definite shape or definite volume?
Gas
What is the kinetic energy of a 10kg ball that is rolling at a speed of 10 meters per second?
500J
Convert 15 miles per hour to inches per second.
264in/s
A wave carries ? from one place to another without transferring matter?
Energy
Waves travel fastest through what type of matter?
Solid
What does the “c” stand for in the specific heat formula?
Specific Heat
An elephant pushes a tree using 2000 J of work over 10 seconds. How much power did the elephant have?
200W
Convert 75 miles per hour to feet per second.
110ft/s
An object that is vibrating in air produces a.
Sound Wave
What type of wave can be transmitted through a vacuum or space free particles?
electromagnetic waves
What does Q represent in the equation for Specific Heat?
Heat loss or gain
A truck exerts 50N of force on a chain for 20m. How much work is done on the chain?
1000J
Convert 13 feet per second to miles per hour.
8.86mi/h
The ? of a sound is how high or how low it sounds.
Pitch
The human perception of how much energy a sound wave carries is?
Loudness
Calculate the temperature change when: 10 kg of iron loses 232 kJ of heat.
51.56
You hit a baseball with a mass of .5kg. The ball leaves your bat at 80m/s. Calculate the energy it contains.
1600J
Convert 4.824 meters per second to kilometers per hour.
17.37k/h
The ? the temperature the ? of sound is in the material.
higher,faster the speed
The number of waves or cycles per unit of time is known as?
Frequence
An unknown substance is 49.2 g. When 1150 J heat are added to the sample, the sample temperature changes by 52.2 degrees. Calculate the specific heat of the unknown metal.
0.448
What is the potential energy of an object that has a mass of 50kg and is sitting at a height of 20m?
9800J
A cyclist travels 56 miles in 4 hours. What is the cyclist’s speed in feet per minute?
1232mi/h
Sound waves have to travel through a medium like.
Solids,Liquids,Gases