Unit 6: Speed and Acceleration

Label the speed triangle

a

b

c

Distance

Speed

Time

Driver McFastFast travels 1000 km in 5hrs. His average speed is (a)   km/hr.

• 5km/hr
• 10km/hr
• 50km/hr
• 200km/hr

This guy can throw a card 10 meters in 2 seconds (and then it explodes). His throwing speed is (a)   .

• 5 meters/sec
• 2 meters/sec
• 5 miles/hour
• 2 miles/hour

Tags

NGSS.MS-PS3-1

Some random guy I just saw on the street can run 10 miles in 1 hour. His speed is __ miles per hour. Only enter the number.

A jet travels 30 meters/sec. After 3 seconds it has traveled (a)  

• 90 meters
• 90 miles
• 10 miles
• 10 meters

When the dam opens, water flows downriver at 10 m/second. If a leaf is placed in the water, it will travel (a)   in 5 seconds.

• 10 miles
• 10 m
• 5 m
• 50 m

A boat travels at a speed of 20 miles/hr. How much time will it take to travel the 200 miles? (a)  

• 10 hrs
• 10 miles
• 400 hrs
• 100 km

Somebody's dad drives north on the interstate going 70 miles per hour. About how many miles will that dad travel in 2 hours? (a)  

• 70 miles

• 140 miles

• 180 miles

• 210 miles

What is the speed of an underwater object that travels 60 meters in 4 seconds? (a)  

• 240 m/s
• 15 m/s
• 0.067 m/s
• 15 mph

Generic Boy Name was trying to tell Generic Girl Name how fast he is, to impress her or something I guess. Now she wants him to prove it. What equation should these hypothetical people use to calculate speed?

speed = ​ (a)   ÷​ ​ (b)  

• space
• direction 
• terminal velocity 
• distance
• time