Max Height
Projectile Motion Time
Conceptual Perceptual
Examies
Alter Velocity Components
100
Water Bottle Jr. throws a frisbee with a horizontal velocity of 3m/s and a vertical velocity of 4m/s. It spends 0.8 seconds in the air. Find the max height it reaches.
0.8m
100
Mayor McCheese kicks a loaf of bread as hard as he can. It flies with an initial velocity of 16m/s at an angle of 40 degrees. Find the time the bread was in the air.
2.1 seconds
100
Horizontal velocity never __________________
changes
100
A ball is launched with a vertical velocity of 20m/s and horizontal velocity of 30m/s. What are the components of its velocity after 2 seconds?
vertical = 0m/s and horizontal = 30m/s
100
If I want to alter the time of flight for an object, I need to change the __________________ velocity
vertical velocity
200
Chippy McChipster throws some doritos across the room with a horizontal velocity of 25 and vertical velocity of 10. If the doritos spend 2 seconds in the air, find the maximum height it reaches.
5m.
200
Dusty Baker is furious. He kicks the first base bag with an initial velocity of 20m/s at an angle of 15 degrees. Find how long the bag spends in the air.
1 second
200
Vertical velocity changes at ___________ m/s2
-10
200
A ball flies from a cannon with a vertical velocity of 100m/s and horizontal velocity of 40m/s. What are its velocity components after 3 seconds?
vertical is 70m/s and horizontal is 40m/s
200
If I want to change the distance an object travels, I need to change ____________ velocity, or __________
horizontal, time
300
Fly on the wall jumps upwards with a horizontal velocity of 9m/s and a vertical velocity of 12m/s. If the fly spends 2.4 seconds in the air, find the max height it reaches.
7.2m
300
Adja throws a paper towel as hard as she can. Due to physics, it does not travel very far. She throws it with an initial velocity of 25m/s at an angle of 75 degrees. Find out how long it spends in the air.
4.8 seconds
300
Horizontal acceleration is always ___________
zero
300
Polo G rolls a grammy award off a desk. During the time it falls, its acceleration
a) Changes
b) Remains the same
c) Increases
d) Decreases
b) Remains the same
300
If a bridge that is 20 meters high is doubled in height, the time a ball spends in the air will most likely
a) Double
b) Triple
c) Quadruple
d) 1/3
a) double
400
Sir Broom Stick gives us a spectacular show of strength. He throws the dust pan with a horizontal velocity of 2m/s and vertical velocity of 18m/s. If it spends 3.6 seconds in the air, find the max height it reaches.
16.2m
400
John Bob throws a book at a horizontal velocity of 3m/s and vertical velocity of 4m/s. What is the time it spends in the air?
0.8 seconds
400
Vertical acceleration is _______________ (changing or constant)
constant
400
Rocky Balboa throws a pencil as hard as he can. During the time in the air, its horizontal velocity
a) Remains the same
b) Increases
c) Decreases
a) Remains the same
400
If I swim across a river at 5m/s and the river is 100 meters long, how long will it take me? (Use v=d/t)
20 seconds
500
Dj Jazzy Jeff throws his record upwards with a horizontal velocity of 10m/s and a vertical velocity of 100m/s. If it spends 20 seconds in the air, what is the maximum height it reaches?
500m
500
The cat in the hat sat on a tack. He flew into the air at a horizontal velocity of 8m/s and vertical velocity of 15m/s. What is the time he spends in the air?
3 seconds
500
DOES HORIZONTAL VELOCITY EVER CHANGE?
NO
500
Toro Coffee throws some syrup into the air. During the time it spends in the air, its vertical velocity
a) Increases then decreases
b) Decreases then increases
c) Increases
d) Remains the same
b) Decreases then increases
500
If I swim across a river at 10m/s with a sideways current of 3m/s and the river is 100 meters long, how long will it take me? (Use v=d/t)
10 seconds