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WorksheetsRelative Velocity
Total questions: 15
Worksheet time: 31mins
A dog and a cat are about to fight, running towards each other, both at 12 m/s. What are their velocities relative to each other?
12 m/s
24 m/s
0 m/s
6 m/s
What is the walker's speed with respect to the train?
30 mph
10 mph
40 mph
50 mph
What is the walker's speed from the observer's perspective?
30 mph right
50 mph right
50 mph left
30 mph left
A train is moving at a velocity of 15 m/s East. A passenger at the back of a train throws a baseball with a speed of 15 m/s West. What is the velocity of the baseball relative to the ground? (In other words: how fast does a person on the ground see the ball move?)
30 m/s East
15 m/s West
0 m/s
30 m/s West
Observers using different ___________________ may measure different velocities for an object in motion
frame of reference
relatives of motion
projectile motions
constant velocity
A woman on a bicycle travels at 9 m/s S relative to the ground as she passes a little boy on a tricycle going in the opposite direction. If the boy is traveling at 1 m/s N relative to the ground, how fast does the boy appear to be moving relative to the woman?
10 m/s S
8 m/s N
0 m/s
10 m/s N
The Cheerios Nascar is racing around the track at 220 m/s, the Coke A Cola Nascar is speeding at 320 m/s. What is the magnitude of velocity of the Coke A Cola Nascar relative to the Cheerios Nascar?
100 m/s
320 m/s
540 m/s
0 m/s
How fast does the hot air balloon appear to be moving to the person in the canoe?
1 m/s to the left
1 m/s to the right
5 m/s to the left
5 m/s to the right
In a car, a good frame of reference would be:
The trees you are driving past in the car
the tissue box sitting inside your car
the old lady riding a unicycle beside your car in the same direction and at the same speed
The stationary observer starts walking 10 mph to the right. What is the walker on the train's speed with respect to the now moving observer outside of the train?
0 mph
10 mph right
40 mph left
40 mph right
How fast does the hot air balloon appear to be moving compared to the runner's frame of reference?
1 m/s to the left
1 m/s to the right
7 m/s to the left
7 m/s to the right
Assume that there is a current of 2.0 m/s directed south in the river, and that the ferry’s velocity of 7.0 m/s north is relative to the water. What is the ferry’s velocity relative to the shore? What is your velocity relative to the shore?
5.0 m/s N
5.0 m/s S
9.0 m/s N
9.0 m/s S
Assume that there is a current of 2.0 m/s directed south in the river, and that the ferry’s velocity of 7.0 m/s south is relative to the water. What is the ferry’s velocity relative to the shore? What is your velocity relative to the shore?
5.0 m/s N
5.0 m/s S
9.0 m/s N
9.0 m/s S
Earth is rotating counter clock-wise (the Sun rises in the East and sets in the West). If you are travelling from Cleveland, Ohio to San Diego, California will your flight be longer on your trip to California or home to Ohio?
Flight to California
Flight to Ohio
