P2.1

Question 1

Equation for acceleration? (Without distance)

Answer 1

a = ( v - u ) / t

Question 2

Equation for acceleration (with distance)

Answer 2

v^2 - u^2 = 2as

Question 3

Equation for distance

Answer 3

d = s x t

Question 4

Equation for speed

Answer 4

s = d / t

Question 5

Equation for time

Answer 5

t = d / s

Question 6

Equation for kinetic energy

Answer 6

kE = 0.5 x m x v^2

Question 7

Converting mph to m/s

Answer 7

x miles by 1609 to find metres
x hours by 3600 to find seconds
Divide metres by seconds

Question 8

Gradient of a d-t graph

Answer 8

speed

Question 9

Gradient of a v-t graph

Answer 9

Acceleration

Question 10

How to calculate gradient

Answer 10

Change in y / change in x

Question 11

How to know what gradient will be

Answer 11

Divide units

Question 12

Distance from a s-t graph

Answer 12

Area under line

Question 13

Gradient from a curved line

Answer 13

Draw a tangent and calculate using change in y / change in x

Question 14

Calculate distance from s-t graph with curved line

Answer 14

Box method
- find area of one box
- count number of boxes
- multiply

Question 15

Displacement, velocity, time

Answer 15

D = v x t
V = d / t
t = d / v