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Question 1

Can energy be created?

Answer 1

No

Question 2

Formula for work done?

Answer 2

Force x distance

Question 3

What unit is work done?

Answer 3

Joules

Question 4

What unit is force?

Answer 4

Newtons

Question 5

What unit is distance?

Answer 5

Meters

Question 6

Formula for weight?

Answer 6

Mass x gravity

Question 7

Gravity is…

Answer 7

9.8 N/KG

Question 8

Weight unit?

Answer 8

Newtons

Question 9

How to make GPE?

Answer 9

Mass x gravity x height

Question 10

How to find height?

Answer 10

GPE / mass x gravity

Question 11

What is GPE?

Answer 11

Energy stored by an object by its position above the ground

Question 12

How to make kinetic energy?

Answer 12

0.5 x mass x velocity squared

Question 13

How to find velocity?

Answer 13

Distance / time

Question 14

How to find velocity 2?

Answer 14

(Kinetic energy / 0.5 x mass) square rooted

Question 15

What is kinetic energy?

Answer 15

Kinetic energy is a form of energy possessed by an object due to its motion

Question 16

How t find elastic potential energy?

Answer 16

0.5 x spring constant x extension squared

Question 17

How to find extension squared?

Answer 17

Elastic potential energy / 0.5 x spring constant

Question 18

How to find original length?

Answer 18

Length - extension

Question 19

How find efficiency?

Answer 19

Useful / total x 100

Question 20

How find total

Answer 20

Useful / efficiency

Question 21

A baby running 16.2 cm/second ran 16km with a mass of 90g what is the kinetic energy

Answer 21

1.18098x10 to the minus 3