Calculating Speed and Acceleration

The correct equation to calculate speed is

• distance/time
• time/distance
• distance x time
• distance/time²

Tags

NGSS.MS-PS3-1

Shona cycles at an average speed of 8km/h. How far has she traveled if she cycles for 4 hours?

• 55km
• 32km
• 43km
• 32miles

Find the velocity of a truck that travels 75 miles north in 2.5 hours.

• 187.5 mph north
• 30 mph north
• 300 mph north
• 200 mph north

Tags

NGSS.MS-PS3-1

It took 3.5 hours for a train to travel the distance between two cities at a velocity of 120 miles/hr.  How many miles lie between the two cities? 

• 34 miles 
• 420 miles
• 120 miles 
• 360 miles 

A car accelerates from a standstill to 70 m/s in 10 seconds.  What is the acceleration?

• 0.7m/s2
• 7m/s2
• 14m/s2
• none of the above

Tags

NGSS.MS-PS2-2

A car accelerates from 15 m/s to 60 m/s in 30 seconds.  What is its acceleration?

• 2 m/s2
• 3 m/s2
• 1.5 m/s2
• 0.75 m/s2

Tags

NGSS.MS-PS2-2

A dog runs with an initial speed of 7.5 m/s on a waxed floor.  It slides to a stop in 15 seconds.  What is the acceleration?

• -7.5 m/s
• -7.5 m/s²
• -0.5 m/s²
• 7.5 mi//hr

Tags

NGSS.MS-PS2-2

A drag racer accelerated from rest ( 0 m/s ) to 195 m/s in 6.5 s.  What was the acceleration?

• 10 m/s
• 30 m/s²
• -3 m/s²
• 26 m/s

Tags

NGSS.HS-PS2-1

A snail can move approximately 0.30 meters per minute. How many meters can the snail cover in 15 minutes?

• 4.5 m
• 50 m
• 0.02 m
• 14 m

A ball rolls 144 cm in 12 sec. What is its speed in meters per second?

• 12 cm/sec
• 12 m/s
• 1.2 m/s
• 0.12 m/s