General Physics

advertisement
General Physics
Review Assignment
Chapter 3 Projectile Motion
Name: _______________________________________ Per.: _____ Date: ____________
Fill In the Blank
1. A quantity that has both magnitude and direction is called a
_______________________ ________________.
2. A quantity that has only magnitude is called a __________________
__________________.
3. The length of a vector corresponds to the___________________ of the quantity.
4. The orientation of a vector corresponds to the ___________________ of the
quantity.
5. A projectile flies through the air only under the influence of _________________.
6. The vertical component of a projectile’s motion is _______________________ of
the horizontal component of the projectiles’s motion.
7. A projectile undergoes constant horizontal ____________________________ and
constant vertical ________________________.
8. Air resistance will __________________ the distance a projectile will fly.
9. A ball is dropped off a cliff. At the same time, a second ball is thrown
horizontally off the cliff. The two balls will land
_________________________________________.
10. The optimum angle to launch a projectile at is ______________________ so it
will travel the farthest.
Short Answer: Answer in the space provided.
11. Draw a labeled diagram of projectile motion.
12. Compare vectors and scalars and give an example of each.
13. What is a projectile? Give an example of a projectile.
Problem Solving: Show all your work in the space provided. Be sure to draw a
diagram for each problem. Assume no air resistance.
14. Henry accidentally falls out of a helicopter that is traveling horizontally at 45 m/s.
He plunges into the water below 5.00 seconds later. What horizontal distance did
he travel while falling? Solve algebraically.
15. Judith jumps horizontally from the top of a building that is 25.0 m high. She
hopes to reach a swimming pool that is at the bottom of the building. The edge of
the pool is 18 m horizontally from the edge of the building, and the pool is 22 m
wide. If she is to reach the center of the pool, what must her jumping speed be?
Solve algebraically.
16. Draw a vector that represents 7535 km/hr west.
17. A skier travels 3 m west, turns and travels 4 m south. What is his final
displacement? Solve algebraically and graphically
Download