| Quiz | Energy |
|---|---|
| Name | |
| Result | PASSED |
| Score | 26 / 30 (86.7%) |
| Passing score | 24 |
| Quiz took | 28 min 25 sec |
| Quiz finished at | 2021-04-22 07:07:09 |
Name the energy store in a cup of tea
Name the energy store in a stretched spring
Name the energy store jet fuel
Name the energy store in a moving bike
Name the energy store in a loose roof tile, which is about to fall
Name the energy store that best describes the food in your belly, from your last meal
Energy cannot be
Explained the main energy change in a car's engine
Frictions always
Another term for friction from air is
What are the units for energy
What is the kinetic energy of a 4kg bowling ball moving at 4 metres per second?
What energy transfer is occurring in a falling rain drop?
What is the approximate GPE of a 3kg bowling ball on a 10m high shelf?
What is the height of a 5kg mass that has a GPE of 300J?
Use pen and paper to calculate the velocity of a 4kg mass which has kinetic energy of 200J
The brakes of a car transfer
Work done is another name for
A 0.5kg stone falls from a height of 5m. Calculate its velocity just before it hits the ground
Calculate the elastic potential energy of a spring that has been stretched from 20cm in length to 30cm in length and has a spring constant of 100 N/m
What is the extension of a 50 N/m spring that stores 100J
2kg of water is heated from 20 degrees Celsius to 40 degrees Celsius. The specific heat capacity of water is 4200 J/kg degrees Celsius. Calculate the change in thermal energy.
A total of 300 000 J of electrical energy is required to raise the temperature of a metal block of mass 2.8kg from 18 degrees Celsius to 52 degrees Celsius. Calculate the specific heat capacity of the metal block in J/kg degrees Celsius
A 12N weight is moved 6m. Calculate the work done
What is the power of a hairdryer that uses of 180kJ of energy in 2 minutes
How much energy does a 800W microwave us when operating for 5 minutes?
A motor transfers 100J of energy by electricity. 60J are transferred as kinetic energy. 12J as sound energy and 28J as thermal energy. Calculate the efficiency of the motor.
Which of the following could be used to minimise heat loss from your home?
Which of these is not a fossil fuel?
Which of these is not a renewable source of energy?