A rolling ball has 18 joules of kinetic energy and is rolling 3 m/s find its mass

What is the slope of a line that is perpendicular to a line whose equation is - 2y=3x+7 Enter your answer in the box.

What type of heat transfer is used to fry an egg in a pan and how can you tell? A) It is conduction because the egg gets cooked. B) It is conduction because the egg is touching the pan.

Which one of the following statements concerning superconductors is false? A constant current can be maintained in a superconducting ring for several years without an emf. Superconductors are perfect conductors.

A 320-m length of wire stretches between two towers and carries a 120-a current. determine the magnitude of the force on the wire due to the earth's magnetic field of 5.0 * 10-5t which makes an angle of 60 ∘ with the wire.

What do all the materials that interact with the magnets have in common?

Tim is riding a bike at a velocity of 10m/s north. As he starts to climb a hill, his velocity decreases to 5 m/s north. Is the acceleration positive or negative? Calculate the acceleration.

What is the theme of the car we had to push?

State the law of conservation of energy in your own words

A condition associated with most warm fronts is

True or false Digitized information can be used by computers.