Motion
The scalar quantity of how fast something is going.
Newton's 3rd law states that forces come in pairs so every force has a force that is ______________ and _____________
What is equal and opposite
The energy of motion
What is kinetic energy
A positive and a negative charge have what type of attraction?
What is attract
An electromagnetic wave is what type of wave?
What is transverse
The average rate of change of the velocity of an object.
What is acceleration
The tendency of an object to resist a change in motion is __________
What is inertia
The unit of energy
What is joules
As the distance between two charges decreases, the force between them ________
What is increases
What is an electromagnetic wave
A car accelerates uniformly along a straight line at 28 m/s for 5.6 s. What is the average acceleration of the car?
What is 5 m/s^2.
What is zero
A pitcher throws a 0.15 kg baseball at 40 m/s towards the catcher. What is the momentum of the baseball while moving at 40 m/s?
What is 6 kgm/s
What is the voltage of a battery that moves 2 A of current and has a resistance of 6 ohms?
What is 12 V
Higher temperature means higher what type of energy
What is kinetic energy
A car slows down from 28 m/s, eventually coming to a stop after 3.5 s. What is the acceleration of the car?
What is -8 m/s^2
A man pushes a box across the floor with a force of 6N and the friction force pushes back with a force of 5N. What is the net force acting on the box?
What is 1N
A 5 kg ball bounces 10 m into the air. Calculate the ball's potential energy. (g=10)
What is 500 J
What is the current passing through a lightbulb with a resistance of 4 Ohms that is supplied by a 12 V battery?
What is 3 A
A duck moves up and down in a pond 10 times every 20 seconds. What is the period of the duck's motion?
What is 2 s.
How far does a car travel after 3 s if it starts from rest and accelerates at 2 m/s^2?
What is 9 m
What is 2 m/s^2
A 500 kg roller coaster reaches the bottom of a hill and is moving at a velocity of 45 m/s. Calculate the roller coaster's kinetic energy at the bottom of the hill.
What is 506,250 J
Calculate the current flowing through 2 resistors in series with resistances of 6 Ohms and 5 Ohms and powered by a 6 V battery.
What is 0.54 A
How much energy is added to a 2 g mass of iron if the specific heat of iron is 0.451 J/g deg C and increases from 15 deg C to 20 deg C?
What is 4.51 J.