Why would granite have larger crystals than igneous rocks formed from lava cooled above Earth's surface

The two factors that determine the amount of kinetic energy in an object are what

A compressed spring has 16.2j of elastic potential energy when it is compressed 0.30m what is the spring constant of the spring

The force that pulls an object outward from the center of a curve is

An elephant pushes with 2000 N on a load of trees. If it takes the elephant 45 seconds to move trees 15 meters, how much power did the elephant generate?

What is an object doing at the moment its instantaneous acceleration is zero? A. Resting B. Changing Direction C. Traveling Downward D. Accelerating

in the absences of friction, gravity, and all other external forces, what kind of speed will an object display if it's travel from the bottom to the top of an inclined plane

An unusual lightning strike has a vertical portion with a current of - 400 A downwards. The Earth's magnetic field at that location is parallel to the ground and has a magnitude of 30 μT.

What is wind or wind currents? I'm on that subject and don't get what it is. for the subject, I chose "Physics" because I don't know what it was. Is this subject physics?

An aircraft with a landing speed of 295 km/h lands on an aircraft carrier with a landing area 205 m long. Find the minimum constant deceleration require for a safe landing.

What is the formula for calculating wave speed?