What is the equation to calculate speed?

• speed = distance/time

• speed = time x distance

• speed = time/distance

• speed = speed/time

Tags

NGSS.MS-PS3-1

What is the speed of an object that travels 60 meters in 4 seconds?

• 240 m/s

• 15 m/s

• 0.067 m/s

• 15 mph

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NGSS.MS-PS3-1

A discus was thrown 139 m. The coach calculated the speed of the discuss as 13 m/s. How long was the disc in the air?

• 0.09 s

• 10.7 s

• 1,807 s

• 100 s

Tags

NGSS.MS-PS3-1

If a lizard can run 8 m across the water in 4 seconds, how fast is it traveling?

• 12 m/s

• 2 m/s

• 0.5 seonds

• 0.5 m/s

Tags

NGSS.MS-PS3-1

Polar bears are extremely good swimmers. If a polar bear is swimming at an average of 2.6 m/s, how far will it have traveled after 120 seconds?

• 46.2 m

• 120 m

• 312 m

• 456.3 m

Becky leaves home and rides her bicycle a distance of 30 km. It took her 2.5 hours, what is her speed?

• 0.83 km/hr

• 12 km/hr

• 27.5 km/hr

• 75 km/hr

Tags

NGSS.MS-PS3-1

If a woman runs at a speed of 7 m/s for 30 s, how far does she run?

• 210 m

• 0.033 m

• 4.28 m

• 30 m

Dave runs a 400 m race at a speed of 4 m/s. How long will it take him to finish the race?

• 400 minutes

• 100 minutes

• 100 seoncds

• 0.25 seconds

A bird flies at a speed of 4 m/s. It flies for 2,160 seconds from its nest to the field. How much distance did the bird cover?

• 540 m

• 8,640 m

• 2,164 m

• 2,156 m

A hot air balloon traveled 2.5 hours at a speed of 450 km/hr. What distance did it travel?

• 87 m/s

• 1,300 m/s

• 180 km

• 1,125 km