A 946.4 kg (2083 lb) car is moving at 14.8 m / s (33.0 mph). Calculate the magnitude of its momentum.

A projectile is launched vertically at 100 m/s. If air resistance can be ignored, at what speed will it return to its initial level?

How is a frame of reference used to measure motion

Two equally charged, 1.00 g spheres are placed with 2.00 cm between their centers. when released, each begins to accelerate at 225 m/s2.

What are the advantages and disadvantages of steel in electric, mechanical, solar and power cables?

On a cold day, the speed of sound in air is 330 m/s. A note with a frequency of 1,320 Hz is played on an instrument. What is the wavelength of that sound wave? 0.25 m 4 m 1,650 m 435,600 m

Explanation's of E=MC²

Suppose two chemicals are reacted together. It takes 750 kJ of energy to break the bonds of the reactants and 1050 kJ of energy are released by the formation of the products. Which statement is true about the reaction? The reaction is exothermic.

Rank the types of nuclear radiation from most massive to least massive.

What volume of sliver metal weigh exactly 2500.0g. The density of silver is 10.5g/cm3

Which statement best describes the adiabatic process? A. the temperature remains constant B. the temperature increases at a constant rate C. heat flows at a constant rate into the system D. heat flows at a constant rate out of the system E.