Physics for pre-IGCSE-Homework sheet "6"

Paper 1: chose the best answer:

speed1. The diagram shows a speed-time graph for a body moving with

constant acceleration. What is represented by the shaded area underthe graph?

A. accelerationdistance

C. speedD. time o+-------~--------

o time

2. The diagram shows the speed-time graph for an object movingat constant speed. What is the distance travelled by the objectin the first 3 s?A. 1.5mB. 2.0m 3 ')(2 = 6c. 3.0m

@6.0m

speedmls

3. A car accelerates from traffic lights. The graph shows howthe car's speed changes with time. How far does the cartravel before it reaches a steady speed?-----A. 10 mB. 20 m

@IOOmD. 200 m

speedmrs

d.~\~", ..Lx 10 '/.20'1

= \00 o~~~----------o I 10 timeis-- ---

4. The speed-time graph shown is for a bus travelling between stops. Where on the graph is the acceleration ofthe bus the greatest?

cspeed

DA

time

Physics for pre-IGCSE-Homework sheet "6"

5. The graph shows the progress of an athlete in a 100 m race. What time was taken to travel 10m from the start?'--="

distance 1ooiillll~illil~~...~ll~mmmiimmlllmffiltravelled 1m.................................... - ~ - .. .. .. .. .. . --

.--f-80~tq~~~~tqHt~~~pt~~~pt~~~~pt~...................................................- !- .

60 _

........................................+ ·················t··· 1 .!

A. 2.4 s

10 11 12 13 14

timels

C. 65 s D. 70

6. Two distance / time graphs and two speed / time graphs are shown. Which graph represents an object that isat rest?

A

distance distance

time time

c o

speed

°oL------ •.time

Hm~:=l.J Physics for pre-IGCSE-Homework sheet "6"

7. An object moves initially with constant speed and then with constant acceleration. Which graph shows thismotion? -

A

c

speed

°o~------time

8. The graph represents the movement of a body acceleratingfrom rest. After 5 seconds how far has the body moved?A. 2mB. lam© 25 m d~-k)( :> x 10D. Sam

:::=- .2 5

9. The graph shows how the speed of a car changes with time.Between which two times is the car stationary?

A. Uand V ~ot'Re.stB. V and W v= 0

C. Wand X

@XandY

speed

time

D

time

10

speed8m/s

6

4

2

1 2 3 5time Is

speed

o~--~--~~~~~~----U V W X Y time

speed