Motion

Question 1

In a track meet, a boy ran 150 meters in 5 seconds. What was his average speed?

Answer 1

S=d/t
S=150m / 2.5 hrs
S= 30m/sec

Question 2

What is the average speed of an airplane that flies 600 miles in 2 hours?

Answer 2

S=d/t
S = 300mi/2hrs
S= 300m/hr

Question 3

A jogger ran a 26 mile marathon at 10 miles per hour. How long did it take the jogger to run the marathon?

Answer 3

S=d/t
S= 26mi / 10mph
S= 2.6 hrs

Question 4

A commuter travelled from Burbank to Sacramento in 5.5 hours at an average speed of 67 miles per hour. How far is Sacramento?

Answer 4

D= S x T
D= 67 x 5.5
D= 368.5 miles

Question 5

Two students bumped into each other in the hallway. Student A was walking down the hall at 1 mi/ hr. Student B was running across the hall at 2 mi/ hr. Describe each students velocity right before they collided.

Answer 5

Velocity= speed + direction
Student A = 1 mi/hr down
Student B = 2 mi/hr across

Question 6

A bus full of students travelled from Jordan to Magic Mountain on the 5 freeway North. They got stuck in traffic and it took them two hours to travel 25 miles. Describe the Velocity of the bus.

Answer 6

S=d/t
S= 25mi/2hrs
S=12.5 mph
V= 12.5 mph North

Question 7

If a car is accelerating, it’s velocity can?

Answer 7

Speed up, slow down or change direction.

Question 8

A girl is walking south on Mariposa at 2.5 miles per hour. Is she accelerating? Why or why not?

Answer 8

No because she is moving in the same direction

Question 9

A jogger is running at a constant speed around the track at Burroughs. Is the jogger accelerating? Why or why not?

Answer 9

Yes because the runner is changing direction