Scalar or Vectors
Equations
S, A, V, Slope
Kinematic Equation
PE, KE, Friction, Free Fall
100
Distance
Scalar
100
Speed
=d/t
100
Friction Equation
100
All Kinematic Equations
100
What is the coefficient of static friction if it takes 13 N of force to move a box that weighs 78 N?
=.16
200
Displacement
Vectors
200
Velocity
=Xf - Xi / t
200
Find the slope of the lines that pass through the following coordinates. (4,2) and (6,12)
=5
200
A boat starts off with a velocity of 13 m/s and accelerates with a rate of 28 m/s2. What is its velocity after 15 seconds?
=432m/s
200
Calculate the kinetic energy of a 8.2-kg object moving at 4.4 m/s.
= 79.38J
300
Speed
Scalars
300
Acceleration
=Vf - Vi / t
300
A bowler once measured that she could throw the bowling ball with a speed of 28ft/s. If it takes 4 seconds from the ball to travel from the beginning of the lane down to the pins, how far is this distance in feet?
=112ft
300
A car starts out moving at 3m/s and accelerates to a velocity of 35 m/s. What displacement does the car cover during this velocity change if it occurs over 18 s?
=342m
300
Calculate the potential energy of a 9.2-kg object positioned 4.8 m above the ground.
= 432.77 J
400
Velocity
Vector
400
Net Force
=ma
400
An object accelerates at a rate of -5.2 m/s to a velocity of 3 m/s over a time of 15s. What was its initial velocity?
=81m/s
400
A rocket accelerates at a rate of 25.4 m/s2 for 80m. What is the velocity at the end of 45m?
=63.6m/s
400
You have a mass of 40 kg. You are standing on a bathroom scale in an elevator that is accelerating upwards at 6 m/s2. What does the scale read in Newtons?
=636N
500
Acceleration
Vector
500
KE & PE
=1/2MV2
=MGH
500
Jim noticed how much Cindy liked him being at the cross-country meet. He decides to train so that he can join the team. He sprints 250m in 18.2s. What is the average sprint velocity?
=13.74m/s
500
Julie is walking around a track at a 8 m/s for some exercise. She then decides to start jogging so she accelerates at a rate of 0.3 m/s2 for 7 seconds. How far did Julie travel from the time she started to accelerate to the end of the 6 seconds?
=63.35m
500
A stone is dropped from the roof of a building. It took 5s for the stone to reach the ground. What is the height of the building?
= - 122.5m