UNIT 1 REVIEW
1. An object is thrown off a building that is 10 m in height with a horizontal velocity of 5 m/s. Find:
a. Time of Flight [2.04 s]
b. Range [ 10.2 m]
c. Final Velocity [20.6 m/s E760 S]
2. A projectile is launched off a building with a horizontal velocity of 4 m/s. If it takes 5 s for it to
reach the ground. Find:
a. How high is the building?[122.5 m S]
b. Range [20 m]
c. Final Velocity [49 m/s E850S]
3. A projectile is launched off a building that is 15 m in height with a velocity of 20 m/s at an angle
of 400 with the horizontal. Find:
a. Time of flight [3.5 s]
b. Range [54 m]
c. Final velocity [26 m/s E540 S]
4. A projectile is launched off a building with a velocity of 6 m/s at an angle of 200 with the
horizontal. If it the projectile lands 4 m away from the base of the building. Find:
a. Time of flight [0.7 s]
b. Height of the building [0.96 m S]
c. Final velocity [7.4 m/s E400S]
5. A projectile is launched off with a velocity of 14 m/s at an angle of 400 with the ground. If the
projectile lands back on the ground. Find:
a. Maximum height
b. Time of flight
c. Range
6. An object moves 10 m [E 200 N] , 35 m [E 300 N] and 15 m [E] in about 20 s. Find :
a. Total Displacement [58.6 m E210N]
b. Total distance [60m]
c. Average Velocity [2.93 m/s E210N]
d. Average Speed [3 m/s]
7. An object moves 15 m [W] , 45 m [N] and 20 m [S] in about 10 s. Find :
e. Total Displacement [29.2 m W590N]
f. Total distance [80 m]
g. Average Velocity [2.92 m/s W590N]
h. Average Speed [8 m/s]
8. An object moves 10 Km [W 200 S] , 70 m [E 300 N] and 15 m [S] in about 20 s. Find :
i. Total Displacement [9936 m W200S]
j. Total distance [10085 m]
k. Average Velocity[497 m/s W200S]
l. Average Speed [504 m/s]
9. An object is dropped off a 9 m building. Find:
a. Time of flight
b. Final Velocity