Projectiles
A ball is launched at a 30 degree angle with an initial velocity of 20 m/s. What is the initial vertical velocity?
What is 10 m/s?
Is momentum conserved in an inelastic collision?
What is yes?
Unit for work
What is nm?
Collision that bounces apart
What is an elastic collision?
A ball is launched at a 30 degree angle with an initial velocity of 20 m/s. What is the horizontal velocity?
What is 17.3 m/s?
How much kinetic energy is needed to move a 40 kg animal at a velocity of 5 m/s?
What is 500 J?
How much momentum does a cart gain if the cart it crashes into loses 5 kg*m/s?
What is 5 kg*m/s?
Unit for energy?
What is a joule?
The energy of motion
What is Kinetic Energy?
A ball is dropped from a 5 m table at a horizontal velocity of 10 m/s. What is the range (distance) the ball traveled in the x direction?
What is 10.1 m/s?
Work done on a 10 kg mass over a distance of 3 meters
What is 294 Nm?
Total energy of a rollercoaster with a height of 10 m, mass of 5 kg, and a velocity of 2 m/s.
What is 500 J?
I weigh 40 kg and run at an initial velocity of 30 m/s. I collide with a truck that weighs 400 kg and travels at an initial velocity of -1 m/s. If the final velocity of the truck is 2 m/s, what is my final velocity?
What is 0?
Unit for momentum?
What is Kg*m/s
Force needed to accelerate a 2 kg physics book to an acceleration of 6 m/s^2
What is 12 N
BONUS: For 1 bonus point on your final please solve the following:
A spring with a mass of 2 kg, accelerates from an initial velocity of zero to a final velocity of 6 m/s over 3 seconds. When this spring is compressed 2 m, what is the spring energy?
What is 4 J?
What is 490 Nm?
Mass of a ball moving at 4 m/s and has a kinetic energy of 96 J
What is 12 kg?
A 23,000kg asteroid is heading for the planet Earth. When it passes the moon its speed is measured to be +500.m/s. What is the asteroid's momentum?
What is +11.5million kgm/s?
Unit for spring constant?
What is N/m?
A ball is launched at a 30 degree angle at a velocity of 20 m/s. What is the maximum height that the ball travels?
What is 5.1 meters
Power used by a truck to lift a 200 kg object 5 meters in 3 seconds.
What is 3267 W
Energy used by a 50 kg person to climb a flight of stairs 2 meters high
What is 980 J
The Hulk tosses a rock at iron man with a speed of 30.0m/s. Iron man is initially at rest and is struck by and carried away by the 200.0 kg rock. Iron man has a mass of 150kg. What is the combined speed of iron man and the rock after the collision?
What is 17 m/s?
Unit for spring energy?
What is a joule?
What is the kinetic energy of an arrow shot from a bow that had a potential energy of 70 J once it looses all of its potential energy?
What is 70 J?