Calculating Speed and Distance Time Graphs

Which is a correct statement about the object shown in Graph W?

• The object speeds up during the trip.

• The object slows down during the trip.

• The object travels at a constant speed during the trip.

Tags

NGSS.MS-PS3-1

Which most affects a baseball’s motion when it is hit by a batter?

• the mass of the batter and how high the ball was thrown

• the mass of the batter and how fast the ball was thrown

• the angle of the baseball and how hard the batter hits it

• the mass of the baseball and how hard the batter hits it

Tags

NGSS.MS-PS2-2

Abby recorded the distance and time of a ball rolling down a ramp in the table below.

Which best describes the motion of the ball?

** helps if you plot the points on a distance time graph

• The ball does not move.

• The ball increases speed.

• The ball decreases speed.

• The ball rolls at a constant speed.

Tags

NGSS.MS-PS3-1

Suzy’s trip to the store takes 30 minutes. She stays inside the store for 10 minutes before returning home. She follows the exact same route home, making her total trip time one hour and twenty minutes. Which statement best describes Suzy’s motion?

• She slows down on the return trip.

• She speeds up on the return trip.

• Her speed remains constant.

• Her speed gains momentum.

In one day, a family in a car rode for 2 hours, stopped for 3 hours, and then rode for another 5 hours. During the day, the family traveled a total distance of 400 kilometers. What was their average speed for the whole trip?

• 10 km/h

• 20 km/h

• 40 km/h

• 50 km/h

Hanna’s mom drives north for 2 hours going 70 miles per hour. She then drives west for 3 hours going 50 miles per hour. How many miles has Hanna’s mom driven?

• 200 miles

• 250 miles

• 290 miles

Anna ran 100 meters in 20 seconds. What was her average speed?

• 2 m/s

• 5 m/s

• 20 m/s

• 25 m/s

Tom, Bob, and Bill are in a bicycle race. Tom travels 1.5 miles in 12 minutes, Bob travels 2 miles in 22.3 minutes, and Bill travels 2.9 miles in 10 minutes. Who had the greatest speed? (speed = distance ÷ time)

• Tom

• Bob

• Bill

Students observed a turtle in the schoolyard. They measured the distance that the turtle traveled in 30 minutes. If the turtle walked 40 meters in that time, what was its average speed?

• 0.75 m/h

• 20 m/s

• 80 m/h

• 1,200 m/h

A bus traveled 280 kilometers between two cities. It left the first city at 3:00 p.m. and arrived at the second city at 7:00 p.m. What was the average speed of the bus during the trip?

• 4 km/h

• 40 km/h

• 70 km/h

• 280 km/h

Tags

NGSS.MS-PS3-1