If the mass of a material is 45 grams and the volume of the material is 15 cm^3, what would the density of the material be?

I throw a stone off a cliff 32 feet above the water. The height of the stone in terms of time (in seconds) is given by h (t) = - 16t2 + 128t + 32. At what time will the stone splash into the water? Round your answer to nearest tenth of a second

A car traveling at 30m/s screeches to a halt, leaving 55 m long skid marks. what was the cars acceleration while braking

Suppose you have a solid sphere of aluminum that is the size of a golf ball, and a solid sphere of aluminum the size of a softball. which one has the greater density?

A toy car is moving along with 0.40 joules of kinetic energy if it's speed is double then it's new kinetic energy will be?

Magnetic levitation has been used to innovate which aspect of life? Give examples

How much work does a supermarket checkout attendant do on a can of soup he pushes 0.600 m horizontally with a force of 5.00 N? Express your answer in joules and kilocalories.

Arrange the objects in order from least to greatest potential energy. Assume that gravity is constant. (Use PE = m * g * h.

No physical processes have ever been demonstrated which provide a mechanism for the universe to assemble itself. True False

A very famous motorcyclist plans to jump across a canyon 3.5 kilometers wide. he plans to use a 30 degree ramp and leaves it at 196 m/s. Will he make it? show all calculations to prove your answer

Which composition of water moves within a deep-water current?