Work it out
What is work done over time called?
What is power
Two cars have the same mass. Car A is travelling at 30m/s and car B is travelling at 200m/s. Which has more KE
What is B
What direction does heat always travel
What is from hot to cold
You move a cart of pumpkins 15 m. This requires a force of 65 N. How much work was done while moving the pumpkin?
What is 975J
How much energy does a 4 kg apple have that is thrown at a speed of 2 m/s?
What is 8 J
Name that energy transfer: Windmill
KE --> electric
What is the specific heat of water?
4.18 J/g*C
Lifting a child weighing 25N up 3m requires how much work?
What is 75 J
What is the mass of a ball that is rolling with a velocity of 26 m/s and has 1,200 J of energy?
What is 3.55kg
Name that E transfer: Fire work (name at least 2)
Chemical --> KE/radiant/thermal/sound
How much heat is needed to warm 0.098 kg of gold from 15°C to 30°C if gold has a specific heat of 136 J/kg°C?
What is 200 J
How far did you push a barrel if you did 175J of work and put in 5N of force?
What is 35m
How much potential energy does a bird have that weighs 9N and is sitting on a branch 3 m high?
What is 27 J
List the type of potential energy each object below has.
Sandwich
Trampoline
1. Chemical
2. Elastic
The transfer of heat by direct contact is called this
What is conduction
What is 500m
What is the mass of a picture that falls off a shelf 6 m high and has 150 J of energy?
2.55kg
Name that E transfer: An apple falling off a tree limb
What is GPE --> KE
How much mass of water was heated up if 3300 J of heat E was put in and the temperature raised from 50C to 75C
What is 33.5g