lesson 8- kinetic energy

Question 1

what is kinetic energy?

Answer 1

energy of motion (i got motion)
kinetic energy is dependent on the objects mass

Question 2

what happens when a objects moves faster

Answer 2

it increases in kinetic energy,

Question 3

is heat a form of kinetic energy?

Answer 3

yes, since particles of a warmer substance move faster than those of a cooler substance

Question 4

ek= 1/2 mv sq2 is the formula for

Answer 4

kinetic energy

Question 5

example: a curling rock with a mass of 20.0 kg slides down a sheet of ice at speed of 6.00m/s. what is the kinetic energy of the curling rock?

Answer 5

360 joules