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React Fast!
Above Average Speed
Applied Kinematics
Novel Graphs
Turn Turn Turn
100
If the driver's reaction time is 0.3 s and the car is traveling at 10 m/s, what is the increase in braking distance?
3 m
100
A car takes 100 s to travel 5 km. What is the average speed of the car in m/s?
50 m/s
100
A car accelerates from a stop at 2 m/s^2. What is its velocity after it has traveled 100 m?
20 m/s
100
What quantity is equal to the slope of the position graph?
velocity
100
A carnival ride goes around in circles with a period of 4pi s. If the radius is 8 m, what is the speed?
4 m/s
200
If the ruler drops 20 cm, what is the reaction time? Assume g = 10 m/s^2.
0.2 s
200
A car travels at an average speed of 30 m/s for 600 m. How long does it take?
20 s
200
A car starts out at 15 m/s and accelerates to 25 m/s over the course of 4 s. How far does it travel?
80 m
200
What quantity is equal to the area under the velocity graph?
displacement
200
A car motor turns a an angular speed of 120,000 pi (rad/s). What is the frequency of rotation in cycles/s (Hz)?
60,000 Hz
300
A car travels at 10.0 m/s for 10.0 m and then at 20.0 m/s for 10.0 m. What is its average speed?
13.3 m/s
300
A ball starts at rest and accelerates at 10 m/s^2. What is its velocity after 5 s?
50 m/s
300
If the velocity graph is a horizontal line, what is the acceleration?
zero
300
A car is driving at 10 m/s around a curve of radius 60 m. If the driver has a mass of 60 kg, what is the sideways force of the seat on the driver?
100 N
400
A ball drops from rest and takes 2 s to hit the ground. Assuming g = 10 m/s^2, how far does it fall?
20 m
400
For positive acceleration, what is the shape of the position graph?
It curves upward to the right.