What is the definition of Frame of reference? Is there an equation, if soo what is it?

What is the mathematical relationship between frequency wavelength and wave speed?

In a given chemical reaction the energy of the products is less than the energy of the reactants. Which statement is true for this chemical reaction2 A Energy is absorbed in the reaction Energy is released in the reaction.

What type of ramp would a person use if they wanted to use the least amount of force to get to the top? A. a shorter distance ramp B. a medium distance ramp C. a longer distance ramp

What are the north and south poles of a solenoid change with?

A space probe on the surface of Mars sends a radio signal back to earth a distance of 8.66x0^7 km. Radio waves travel at the speed of light (3:00x10^8 m/s. How many seconds does it take the signal to reach earth

Sonja is riding her bike. She takes her feet off the pedals to freewheel down a hill. Describe the energy transfers that take place as the bike travels down the hill. Ignore friction and air resistance.

Three forces that act on a roller coaster: Gravity Air Resistance Inertia Am I right?

Electrical energy is the most useful form of energy. Is this statement a fact or an opinion? Explain.

Describe how private citizens have a voice in which projects the federal government will fund

What two factors cause change in seasons