Equations

Question 1

Distance travelled (m)=?

Answer 1

=average speed (m/s) x time(s)

Question 2

Acceleration(m/s)=?

Answer 2

=final velocity(m/s)-initial velocity(m/s)
———————————————
Time(s)

Question 3

Force(N)=?

Answer 3

Mass(kg) x acceleration (m/s^2)

Question 4

Weight(N) =?

Answer 4

Mass(kg) x gravitational field strength(N/kg)

Question 5

Change in gravitational potential energy(J) =?

Answer 5

Gravitational field strength(N/kg) x acceleration x distance

Question 6

Kinetic energy(J) =?

Answer 6

1/2 x mass(kg) x velocity^2(m/s)

Question 7

Momentum(kg m/s) =?

Answer 7

Mass(kg) x velocity(m/s)

Question 8

Wave velocity(m/s) =? (Using frequency)

Answer 8

Frequency(Hz) x wavelength(m)

Question 9

Wave velocity(m/s) =? (Using distance)

Answer 9

Distance(m) / time(s)

Question 10

Efficiency(J) =?

Answer 10

Useful energy out
———————————————
Total energy in

Question 11

D=?

Answer 11

V x T

Question 12

A =?

Answer 12

V - U
———————————————
T

Question 13

F =?

Answer 13

M x A

Question 14

W =?

Answer 14

M x G

Question 15

/\GPE =?

Answer 15

M x G x H

Question 16

KE =?

Answer 16

1/2 x M x V^2

Question 17

P =?

Answer 17

M x V

Question 18

V =? (Using F)

Answer 18

F x /\

Question 19

V =?

Answer 19

X x T