Interpreting Graphs
Is this a constant Velocity?
Yes this is a constant Velocity
What equation can be used to find an objects velocity?
Velocity = Change in Position / Time
What is the acceleration rate of gravity?
9.8 m/s2
What is the equation for a force?
Force = Mass * Acceleration
How many radians is 90o?
1/2 * pi
What is my position at 7 seconds?
50 m
What is the velocity of a runner going 100m in 16 seconds?
6.25 m/s
A car starting at rest travels for 31.6 seconds, constantly accelerating by a rate of 2m/s2. How far does the car go?
998.6 m
How many newtons of force does a person with a mass of 90kg push down with due to gravity?
882N
As an object is spinning in a circle it is accelerating. What direction is the acceleration vector pointing?
Towards the center of the circle.
What is the Velocity of this object?
4 m/s
How far does a car travel in 2.5 hours going 60mph?
150 miles
A car starting from rest is traveling 1,200m while under a constant acceleration of 1/3 m/s2. What is the final velocity of the car?
28.3 m/s
What direction does a the normal force point?
Perpendicular to any surface
A box is sitting still on a ramp that is at a 30o angle, with nothing else touching it. Draw a force diagram for the box.
Proctored by Mr. B
What total distance was traveled on this graph.
Approximately 30 m
How far does a car go in 12 seconds as it is traveling at 40 mph?
58.7ft or 12.9 m
A semi is initially going 65mph but brakes hard, slowing down at a rate of 2m/s2. How much time does it take the Semi to stop?
10.5 seconds.
A car on Earth has a force of 8888.6N due to gravity. How much force will it push down with on the moon, which only has an acceleration rate of 1.62m/s2.
1,469.3 N
A ball is rolling down a 20o hill with an acceleration rate of 0.1 m/s2. If the ball has a mass of 3kg, what is the force of friction?
- 10.02 N
What distance was traveled in the first 3 seconds of this graph?
18 m
The circumference of the earth is 24,901 miles. If a plane is traveling at a constant speed of 257m/s, how many hours will it take to get all the way around the world?
31.2 hours
A race car is traveling 1/4 mile, starting form rest. If its final speed is measured to be 300mph, what is the acceleration rate of the car in m/s2?
16.1 m/s2
Two groups of people are pulling on a single rope in a game of Tug of War. Draw a force diagram of the rope as its being pulled.
Proctored by Mr. B
A wrench is pulling on a bolt with a torque of 580N*m. If the wrench is only 0.4m long and is being rotated 25o, how much force is being applied?
3431 N