How does molten rock and gas leave the volcano

What is the gravitational force excerted on an object called?

Compare how your weight, mass, and the normal force exerted by the floor change when you are in an elevator that starts from rest and accelerates upward.

An object with total mass mtotal = 15.8 kg is sitting at rest when it explodes into three pieces. One piece with mass m1 = 4.5 kg moves up and to the left at an angle of θ1 = 18° above the - x axis with a speed of v1 = 27.5 m/s.

When you rub a glass rod with silk. The rod becomes positive charged, and the silk becomes negative. Also when you rub a rubber rod with fur, the rubber rod becomes negative and the fur becomes positively charge. Question:1.

Two solenoids stand side-by-side. Solenoid B differs from solenoid A in three respects. Its total current is 2 times as great, it has 4 times as many coils, and it is 3 times as long. How do the magnetic fields inside the two solenoids compare? A ...

A proton that has a mass m and is moving at + 164 m/s undergoes a head-on elastic collision with a stationary carbon nucleus of mass 12m. the velocity of the proton after the collision is answer

Short wavelengths of visible light interact more frequently with the atoms in glass than do longer wavelengths. Does this interaction time tend to speed up or slow down the average speed of light in glass?

Two trains traveling on parallel tracks are going toward each other from a distance of 552 miles. If the freight train is moving at 38 mph and the passenger train is moving at 54 mph, when will the trains pass each other?

What significant contribution did Lavoisier make to chemistry?

The study of blood applied to crime is referred to as what