Download Classwork #4: Equation Practice Term 2

Name: ______________________ Class: _________________ Date: _________
ID: A
Classwork #4: Equation Practice
Term 2
1. A Canada goose flies 150 kilometers in 2.2 hours. What is the speed of the goose?
2. Arnold the astronaut sends a laser signal from his moon base headquarters to Earth. If the signal,
traveling at 186,000 miles per second (the speed of light), is received on Earth 1.280 seconds after it
is sent, what is the distance between Arnold’s lunar headquarters and Earth?
3. Emma walks to school at a speed of 3 miles per hour. If it takes her 20 minutes to walk from home to
school, how many miles away is the school from her house?
4. Tom pushes on a 50-kilogram box with a force of 25 newtons. Assuming the surface on which the
box moves is frictionless, at what rate does the box accelerate?
5. An acorn falls from the top of an oak tree. If it takes 2 seconds for the acorn to fall, how tall is the
tree?
6. Doug rides a motorcycle at an average speed of 42 miles per hour for 3.6 hours. What is the distance
he travels in miles?
7. A professional LPGA golfer walks at an average rate of 3.20 feet per second on the golf course.
What is the amount of time required for her to walk from the tee to a green 612 feet away?
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Name: ______________________
ID: A
8. A ball is dropped off the roof of a tall building. If the ball reaches the ground in 3 seconds, how tall is
the building?
9. A skydiver reaches an instantaneous velocity of 88.2 meters per second before opening his parachute.
How long was he in free fall?
10. Calculate the force needed to make a 1 kg hockey puck accelerate at 1000 m/s2.
11. If a cart accelerates at 0.5 m/s2 given a net force of 50 N, what is the cart’s mass?
12. Calculate the acceleration of a car that can go from rest to 100 km/h in 10 s.
13. Calculate the instantaneous speed at the 10 second mark for a car that accelerates at 2 m/s/s from a
position of rest.
14. How long does it take for a bunny to increase its speed from rest to 9 m/s if it accelerates at a rate of
3 m/s/s?
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ID: A
Classwork #4: Equation Practice
Answer Section
Term 2
PROBLEM
1. ANS:
68 km/h
2. ANS:
238,000 miles
3. ANS:
1 mile
4. ANS:
0.5 m/s/s
5. ANS:
20 m
6. ANS:
150
7. ANS:
191 s
8. ANS:
45 m
9. ANS:
9s
10. ANS:
1,000 N
11. ANS:
100 kg
12. ANS:
10 km/h/s
13. ANS:
20 m/s
14. ANS:
3s
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