9 - Motion Praneeta-2

Which has more speed A or B?

• A

• B

• same

convert 36km/hr into m/s

• 10m/s

• 15m/s

• 20m/s

• 12m/s

This is a velocity-time graph.  What is the object doing in segment A?

• Positive acceleration
• Negative acceleration
• Constant Velocity
• Not moving

What does this graph represent?

• Constant speed
• Acceleration
• Not moving

A scooterist covers a distance of 3 kilometres in 5 minutes. Calculate his speed in m/s

• 5 m/s

• 10 m/s

• 15 m/s

• 20 m/s

Kanha leaves for his school from his house at 9:00 am and returns home at 11:00 am. Find its average speed and average velocity for the entire journey. The school is 2 km away from Kanha's house.

• 1 km/h, 1 km/h

• 2 km/h, 2 km/h

• 2 km/h, 0

• 1 km/h, 2 km/h

Which graph shows an object not moving?

• A
• B
• C
• D

Which graph shows an object slowing down?

• A
• B
• C
• E

Which graph shows an object slowing down?

• A
• B
• C
• E

A racing car at rest accelerates uniformly to a velocity of 144 km/hr in 20 s. Find value of acceleration of the car.

• 5 m/s²

• 2 m/s²

• 0.2 m/s²

• 0.5 m/s²