Equations Physics Paper 1

Question 1

Distance travelled

Answer 1

Average speed X time. d= s X t

Question 2

Acceleration

Answer 2

Change in velocity/time taken a=(v-u)/t

Question 3

Force

Answer 3

Mass X acceleration. F= m X a

Question 4

Weight

Answer 4

Mass X gravitational field strength W=m X g

Question 5

Momentum

Answer 5

Mass X velocity p=m X v

Question 6

Efficiency

Answer 6

(Useful energy transferred)/ (total energy supplied)

Question 7

Gravitational potential energy

Answer 7

Mass X gravitational field strength X change in vertical height. M X g X h

Question 8

Kinetic Energy

Answer 8

0.5 X mass X (speed squared) 1/2 X m X v^2

Question 9

Wave velocity (using frequency)

Answer 9

Frequency X wavelength f X (lambda)

Question 10

Wave speed (not using frequency)

Answer 10

Distance/time d/t