Download Name: Date: Period: Physics Semester 1 Practice Problems 1. A car

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Physics Semester 1 Practice Problems
1. A car starts from rest and moves 20 m in 10 seconds. What is the final velocity?
2. A blue car goes farther than a red car in the same amount of time. Which one has a greater
velocity?
3. A skier begins at rest on a hill and speeds up to 10 m/s in 60 seconds. What is the acceleration
of the skier?
4. A black marble is on a steeper track than a blue marble. Which one has a greater acceleration?
5. A 5 kg box has an acceleration of 1 m/s2. Assume no friction. What is the force needed?
6. A 10 N force accelerates a box at 5 m/s2. What is the mass of the box?
7. A bowling ball weighs 100 N. What is the mass of the ball?
8. A person falls out of a moving car. Assuming the force applied to the gas pedal is the same,
making the force acting on the car the same, what happens to the acceleration of the car?
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9. I push a bicycle and a dump truck as hard as I can. Which one has a greater acceleration?
10. If I push a loaded cart with a small force, and then with a greater force, what happens to the
acceleration?
11. On Earth, in the physics classroom, I take an empty box and fill it up with textbooks. What
happens to the weight of the box?
12. A 1 kg toy car has a constant velocity of 2 m/s. What is the car’s momentum?
13. A semi truck is waiting at a stop sign. What is the momentum of the truck?
14. A 5 kg box starts at rest and speeds up to 4 m/s. What is its change in momentum?
15. An egg traveling at a constant speed can hit a lab table or a giant marshmallow. Which one will
use less force to stop it?
16. A 1 kg box is resting on a table. Draw a force diagram, label all the forces acting on it, and write
down how many Newtons each force is.
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17. A man is pulling a box straight up using a rope and a pulley. The box is 5 kg. The box is moving
at a constant velocity up. Draw a force diagram, label all the forces acting on it, and write down
how many Newtons each force is.
18. Write a description of the motion for all the graphs below. Draw a velocity vs. time graph for
each.
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19. More graph practice! Write a description of the motion for all the graphs below. Draw a
velocity vs. time graph for each.
20. Draw a position time graph for the following data. Then draw a line of best fit:
Time (s)
1
2
3
4
5
6
7
Position (m)
3
7
9
11
15
17
21
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1. Which object(s) is(are) maintaining a state of motion (i.e., maintaining a constant velocity)?
2. Which object(s) is(are) accelerating?
3. Which object(s) is(are) not moving?
4. Which object(s) change(s) its direction?
5. On average, which object is traveling fastest?
6. On average, which moving object is traveling slowest?
7. Which object has the greatest acceleration?
8. Which object(s) is(are) maintaining its state of motion?
9. Which object(s) is(are) accelerating?
10. Which object(s) is(are) not moving?
11. Which object(s) change(s) its direction?
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12. Which accelerating object has the smallest acceleration?
13. Which object has the greatest velocity?
1. Calculate the speed of a dog running through a field if he is
covering 23.7 meters in 54 seconds.
2. If a cross country runner covers a distance of 347 meters in 134
seconds what is her speed?
3. What is the speed of a baseball that travels 49 meters in 2.4
seconds?
4. What is the speed of a horse in meters per second that runs a
distance of 1.2 miles in 2.4 minutes?
5. Calculate the velocity of a car that travels 556 kilometers
northeast in 3.4 hours. Leave your answer in kilometers per hour.
6. If the distance covered by a jogger is 2,541meters through the
park and the time it took to cover that distance was 43.6 minutes,
what was the speed of the jogger?
7. Which object has a greater velocity, a ball rolling down a 3.4
meter hill in six seconds or a fish swimming upstream and covering
5.4 meters in 0.4 minutes?
8. If Seneca decides to walk across town to a store that is .95
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kilometers away and she has only 25 minutes to get there, what
speed does she need to maintain to arrive on time?
9. If a projectile flies north 387 meters in 5.8 seconds, what is its
velocity?
10. Calculate the velocity of a mountain climber if that climber is
moving northeast at a pace of 1.6 km in 1.4 hours? Give your answer
in the SI unit for velocity.
1. A tennis ball rolls off the lab bench with an initial velocity of 3.0 m/s. The top of the lab bench is
1.5 m above the floor. How far will the ball land from the bench?
2. Mr. Ritsma is chasing a student on the roof of the school (7.5 m above the ground). He is
sprinting and loses track of where he is on the roof when he runs right off the building! If his
body is found 6.5 m from the base of the school, determine his velocity when he sprinted off the
roof.
3. An airplane is flying at 450 km/h due East. The plane is dropping supplies towards the ground. If
the target location for the supplies to land is called “X”, how far West of “X” should the plane
release the supplies? The plane is flying at a height of 2200 m above the ground. Assume there
is no air resistance.
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4. A pool ball leaves a 0.60-meter high table with an initial horizontal velocity of 2.4 m/s.
Predict the time required for the pool ball to fall to the ground and the horizontal distance
between the table's edge and the ball's landing location.
5.
A soccer ball is kicked horizontally off a 22.0-meter high hill and lands a distance of
35.0 meters from the edge of the hill. Determine the initial horizontal velocity of the
soccer ball.
Medium:
1. A football is kicked with an initial velocity of 25 m/s at an angle of 45-degrees with the
horizontal. Determine the time of flight, the horizontal displacement, and the peak height of the
football.
2. A long jumper leaves the ground with an initial velocity of 12 m/s at an angle of 28-degrees
above the horizontal. Determine the time of flight, the horizontal distance, and the peak height
of the long-jumper.