How many dimensions were we studying before this one?
one
100
A resultant is made up of two c---------.
compoments
100
Projectiles can be resting on a surface?
Nope.
100
What is the acceleration of an object dropped from 62m?
9.8m/s/s down
100
If a truck drives off a cliff at 32m/s, then what is its horizontal velocity (vx) after 2.05s?
32m/s
200
You drop a bean bag straight down.
1D
200
This is influence of that vector in a given direction
Component of a vector
200
What is the only force acting on a projectile?
gravity
200
How long will it take a projectile to reach the ground from 62m?
d=1/2 a t(squared)
62=4.9(tsquared)
12.65 = tsquared
3.56s
200
If a truck drives off a cliff at 32m/s, then what is its horizontal displacement (dx) after 2.05s?
65.6m
300
A 'popper' is dropped straight down and then pops straight back up.
1D
300
Any vector directed in 2 dimension can be thought of as having how many compoments?
2
300
Draw the free body diagram for a projectile that is sailing towards its apogee.
box with a straight line down.
300
How fast will a projectile be moving after 2.3s of free fall?
9.8 time 2.3
=22.54m/s
300
If a truck drives off a cliff at 32m/s, then what is its vertical velocity 2.05s?
20.09m/s
400
A bowling ball is on the lane and spinning from left to right while moving toward the pins.
2D
400
The process of determining the magnitude of a resultant vector is known as this.
What is Pythagorean Theorem, Alex?!
400
In I.P.L where there is no air, if you shot a bullet and dropped an identical bullet at the exact same time from the exact same height, which one will land first
same time
400
If it takes a projectile 3.25s to hit the ground, from what height was it dropped?
d=4.9(3.25 squared)
51.76m
400
How far will a projectile go from the base of a cliff, if it is launched horizontally at 16m/s and hits the ground 8 seconds later?
128m
500
An insane scientist slides down a hill on a slip and slide and is launched up and over a gorge into a kiddie pool.
2D
500
On an incline, the force of gravity should first be divided into 2 components, the perpendicular and ______
parallel
500
T/F Horizontal and Vertical motions are dependent on one another.
False
500
Object free falls for 14.6s,
Find the vy and dy
vy = 9.8 (14.6) = 143.08
dy = 4.9 (14.6 squared) = 1044.484 m/s
500
A projectile is launched horizontally off a cliff at 200m/s. It lands 650m away from the base of the cliff. How high was the cliff