How does seismic waves cause earthquakes?

Calculate the volume of the part of the sphere that will be immersed in the mercury when the density of the sphere is 7800kg/metre cubic and volume of 136centrimetre cubic and the density of the mercury is 13600kg/metre cubic

What is the energy of a photon emitted with a wavelength of 571 nm?

Convert 87°F to Celsius scale?

Coulomb's law and the universal law of gravity describe different forces in similar ways. Which of these are factors that both have in common

Are there classes of inclined planes?

A particular solid is electrically charged after it is rubbed, but it is not known whether its charge is positive or negative. How could you determine which charge it has by using a piece of plastic and fur?

A mass of 5 kg is moving at 5 m/s when it collides with another mass of 2 kg moving in the same direction at 2 m/s. After the collision they become bonded together. What is the final velocity of the two masses together? 2.22 m/s 6.23 m/s 3.56 m/s 4.

The process of developing a sense of identity during adolescence was highlighted by

Kenna has a mass of 30 kilograms. What's her weight in newtons? Assume that acceleration due to gravity is 9.8 N/kg.

Explain what type of force drag and tailwinds are. If the airplanes were traveling eastward with a force 450 N and there was a tailwind of 200 N, what would the resulting force be on the airplane?