force and motion 3

If you run around the football field (the circumference = 2 km) 3 times in 50 min what is your speed ?

• 200 m/s

• 20 m/s

• 2 m/s

What is the distance covered by an object that travels 60 seconds with speed of 3 m/s ?

• 1800 m

• 180 m

• 360 m

What is the speed of an object that travels 600 cm in 4 seconds?

• 5 m/s

• 50 ms

• 1.5 m/s

A measurement of how fast an object is moving

• speed

• distance

• velocity

What is the velocity of an object that travels around a circle( r=7 m) 4 times in 45 s?

• 0 m/s

• 15 m/s

• 44 m/s

Total distance divided by total time, for an object shows:

• speed

• average speed

• displacement

An old lady rolls down a hill at 3 meters/second. The hill is 36 meters long. How many seconds does it take the old lady to reach the bottom of the hill?

• 24 s

• 20 s

• 12 s

You walk 10 meters to math class in 20 seconds. Your average speed is ...................

• 0.5 m/s

• 5 m/s

• 10 m/s

find the displacement of a car travel to north 30 km then to east 40 km

• 50 km to north east

• 0 km

• 70 km to north east

A runner races in the 100 meter in 15 s. then she take a break for 5 s then complete its race for 200 m in 30 s What is her average speed?

• 20m/s

• 6 m/s

• 1 m/s