Kinematics
In a position time graph, how does it look like when object is not moving
Horizontal straight line
Which law is associated with SHM?
Hooke's law
What are the equations associated with momentum ?
P=mv
🔺p=F🔺t
What unit is work measured in?
Joules
What is the formula for calculating force?
🔺p/t
True or False: Velocity is the change in an object's speed
False
True or False: The mass doesn’t affect a pendulum in any way?
True
The change in momentum of an object is caused by?
Impulse on the object
An object moves down a ramp without friction. The object loses potential energy and gains _____ energy.
Kinetic
The normal force acts on any object that _____.
Touches a surface
What can you find from the slope from a position time graph?
Velocity
A spring is attached to a mass, oscillating freely in simple harmonic motion. What change can be made to increase the period of the oscillation ?
Increase the mass at the end of the spring
When is momentum not conserved?
when there is an outside force
As I lift an object higher I do work on the object. As I do work on the object, the objects increases in _____ energy.
Potential
Draw a FBD of a car driving to the right and slowing down.
Diagram will be shown
Acceleration is defined as a change in ______ over a change in ______.
Velocity, time
What is the period of a pendulum on earth with a length of 5m and a 3kg mass on the end of it?
4.44s
whats it called when to objects collide and stick together
inelastic collision
If I do 2000 Joules of work in 5 seconds, I produce what amount of power.
400 watts
A 10kg cart moving with a velocity of 2 m/s is brought to a stop in 2 sec. Find the magnitude of the average force used to stop the car.
-10N
If an object starts at rest and accelerates at a rate of 5 m/s^2 for 12 seconds, what is the objects final speed?
60 m/s
A mass is placed at the end of a spring. It has a starting velocity of v and is allowed to oscillate freely. If the mass has a starting velocity of 2v, what would the period be?
The period would remain the same.
Anna and Noah are doing The Cart and the Brick Lab. They drop a brick on a 2.6 kg cart moving at 28.2 cm/s. After the collision, the dropped brick and cart are moving together with a velocity of 15.7 cm/s. Determine the mass of the dropped brick.
2.1 kg
How much energy does a 500 kwatt bulb use in a week?
84,000 kwatts
If the gravity on planet X is 1/6 of g, what is the mass of an object that has a weight o 115N on Planet X?
70.4g