Speed and velocity

If a snail crawls 12cm in 60s then it's average speed is .....

• 2 mms-1

• 5 mms-1

• 10 mms-1

• 20 mms-1

Speed of a body in particular direction can be called....

• Acceleration

• Displacement

• Velocity

• Distance

The S.I unit for speed is

• Km/hr

• m/s

• cm/s

• None of the above

What is the average velocity of a car that moved 60km in 3 hours ?

• 60km/h

• 20km/h

• 30km/h

• 10km/h

How far will a car travel in 25mins at 12m/s ?

• 24km

• 10km

• 18km

• 14km

The ..... Of a distance versus time graph is speed

• Slope

• Y-intercept

• origin

• None of the answer

1Km/hr= ________ m/s

• 3/50

• 18/5

• 50/3

• 5/18

If car A is at 40km/hr and car B is at 10km/hr in the opposite direction, what is the velocity of the car A relative to car B?

• 40 km/hr

• 50km/hr

• 10km/h

• 30km/hr

A body moves with a constant speed but has an acceleration. This is possible if it

• Moves in a straight line

• Moves in a circle

• Is oscillating

• Is in equilibrium

Which of the following correctly gives the relationship between linear speed v and angular speed w of a body moving uniformly round a circle of radius r?

• V=wr

• V=w^2r

• V=wr^2

• V^2=wr