You kick a ball with a speed of 18 m/s at an angle of 32 degrees. How far does the hall land?

A 1500 kg car originally moving at 10 m/s crashes into a wall and comes to rest in 0.25 s. What is the magnitude of the impulse given to the car? a. 37.5 kg m/s b. 150 kg m/s c. 15,000 kg m/s d. 60,000 kg m/s

Friction between solids can be most accurately defined as the force that opposes the sliding motion of two surfaces that are touching each other. A. True B. False

Which of the following is an example of an incline plane? a) lever b) gear c) pulley d) screw

All of the following elements produce magnetic fields except for a. nickel. b. cobalt. c. iron. d. copper.

Is this statement true or false? Electric currents flow easily through materials that are conductors and through materials that are insulators. A. True B. False

Copper has a specific heat of 0.385 j. A piece of copper absorbs 5000 J of energy and undergoes a temperature change from 100 Celsius to 200 degrees Celsius. What is the mass of the piece of copper?

I need to learn some interesting facts, any smart people out here?

The planet Pluto has 1/500 the mass and 1/15 the radius of Earth. What is the value of g on the surface of Pluto? (A) 0.3 m/s2 (B) 1.6 m/s2 (C) 2.4 m/s2 (D) 4.5 m/s2 (E) 7.1 m/s2

A ball is dropped from the top of a building. TEL When does the ball have the least kinetic energy? RE O just before it hits the ground - O just after it is released O half way through the fall O after it has hit the ground

Which one of the following does not accurately describe the universal gravitational law? (a) gravitational forces is proportional to the product of the two masses.