In the symbol he, the superscript 4 is the for helium.

When many atoms are split in a chain reaction, a large explosion occurs. this is an example of what type of energy conservation

Agas is contained in a vertical, frictionless piston–cylinder device. the piston has a mass of 3.2 kg and a cross-sectional area of 35 cm2. a compressed spring above the piston exerts a force of 190 n on the piston. if the atmospheric pressure is 95 kpa, determine the pressure inside the cylinder.

Debbie places two shopping carts in a cart corral she pushes the first cart which then pushes a second cart what force is being exerted