A
________ _________ is the energy of motion?
What is kinetic energy?
In the kinetic energy and gravitational potential energy formulas what unit is mass measured in?
What is Kilograms (kg)?
What is the value of the acceleration due to gravity (g) that is used in the Ep calculations?
What is 9.81m/s2?
The main difference between a scalar and a vector is that a vector also shows ___________.
What is direction?
How do you represent change in a formula?
What is, the symbol delta.
What is specific heat capacity?
What is the amount of energy it takes for 1kg of a substance to increase in temperature by one degree Celsius.
If it took 565 J of gravitational potential energy to carry a 12 kg box up a flight of stairs, how high is the flight of stairs?
What is 4.8m?
A truck with a mass of 1500 kg is moving at a speed of 14 m/s. What is the kinetic energy of the car?
What is 147,000 Joules / 147 kJ?
A student on a bicycle started from a full stop and reached a velocity of 8.75 m/s in 3.8 s. What was his average acceleration?
What is 2.3m/s2?
How much thermal energy would it take to increase 10kg of water (specific heat capacity is 4200J/kg degree Celsius) by 7 degrees Celsius?
What is 294,000 Joules / 294 kJ
A boulder rests on a ledge 36 m above a lake. If it has 1666J of gravitational potential energy, what is the mass of the boulder?
What is 4.72kg?
An object is traveling at an average speed of 8.0 m/s. How long will it take this object to travel 30.5 m?
What is 3.8s?
A freight elevator with a mass of 120 kg is moving with a speed of 2.50 m/s. What is it’s kinetic energy?
What is 375J?
A model rocket started from the ground and reached an upward velocity of 66 m/s in 5.0 s. What was the rocket’s average acceleration?
What is 13.2m/s squared upwards?
What is the speed of a 0.155 kg ball that has 12.0 J of kinetic energy?
What is 12.44 m/s ?
TME = ____ + ____
What is potential energy and kinetic energy?
Alex walks 1.4 km west from the school. He then turns around and walks 2.0km east of the school. What is his displacement is the school is his point of reference?
What is 0.6m [E]?
If a rollercoaster weighing 500kg is moving at 10m/s as it reaches the a height of 30m, what is its total mechanical energy? 0
What is 172,000 J / 172 kJ?
The law of conservation of energy is....
What is, that energy can neither be created nor destroyed, only transformed?
A certain material takes 12300J of energy for 5kg of it to increase in temperature by 3 degrees Celsius. what is the specific heat capacity of the material?
What is 820 J/degree Celsius?