Motion
This is the unit for speed
What is m/s
This is the acceleration due to gravity on Earth
What is 9.8 m/s^2 or 10 m/s^2
This is how far an object in free fall will have fallen after 10 seconds
What is 100m or 98m
This is what the slope on a pt graph represents
What is Velocity
These are the 2 BASIC forms of energy
What are Kinetic and Potential
A ball is thrown with a vertical velocity of 50 m/s, how long does it take for the ball to reach it's max height
What is 5 seconds
The Universal law of gravitation is an _______ law, as the farther an object is from another the less of a gravitational pull it has at an increasing amount
What is inverse square
It takes Tom 5 minutes to run to a tree 600 meters away. What is his average velocity?
What 120m/min
Given: A car accelerates from rest to 30 m/s in 20s
____ is the average acceleration of the car
What is 1.5 m/s^2
What does a spring constant refer to on a graph, and what variable represents it
What is the slope and K
The horizontal acceleration of a projectile is always _____.
What is zero
This is what forms when a supermassive star collapses in on itself
What is a black hole
An object containing both magnitude and direction is known as _______
What is a vector
Given: a= fnet/ total mass, a 65kg man runs into a woman and is brought to a stop with an acceleration of -20m/s^2.
_____ is the force the woman exerts on the man, and _____ is the force the man exerts on the woman
-1300 N, and +1300 N
If a car begins at the top of a hill in motion and then rolls down a hill with no friction, and comes to a stop at the bottom and is compressed by a spring
Find the Initial form(s) of energy and Final form(s) of energy acting upon the car
Initial: What is kinetic and gravitational potential energy
Final: What is elastic potential energy
Given: Mass=1kg, Radius= 2m, Time for 1 rev=1s, and equation 2(pi)r/t
Find the speed of the object
What is 12.56 m/s
This is the force of gravity at a distance of 4x the Earth's radius
A. 2.5
B. 40
C. .61
D. 9.8
C
A man pushes a 20 kg crate to the left with a force of 200N and another man pulls the same crate to the left with a force of 100N. The crate is moving at a constant rate of 6.42m/s.
What is force of friction on the crate?
This is the equation of a line that has points (2, 10) (0,36)
Y= -13x+36
This is the spring constant of a line that has points (10, 30) and (25, 60)
What is 2 n/m
Given: mass=2 kg, radius= 1m, Time for 1 rev= 2s, and equations v=2(pi)r/t, Fnet= mv^2/r
Find the Fnet
What is 19.72 newtons
_______ is the name for the radius in which any object can turn into a black hole at
What is The Schwarzschild radius
___is how long it takes the ball to reach max height
What is 2.04 seconds
A ball is thrown directly upwards.
What is the acceleration and velocity at it's max height
Velocity 0m/s
Acceleration 10m/s
Given: A 10kg car, initially at rest rolls down a 5m high hill.
Ignoring friction, find the energy equation, and what is the speed of the cart at the bottom of the hill
Energy equation: mgh= 1/2mv^2
Speed= 10m/s