What is the relationship between speed and instantaneous velocity?

a) Speed is the magnitude of velocity

b) Speed is the direction of velocity

c) There is no relationship

Which type of wave cannot transmit energy through a vacuum

What are the products of the combustion of a hydrocarbon? carbon and oxygen carbon dioxide and water carbon and hydrogen carbon dioxide and hydrogen

Which is a chemical change

An industry uses natural gas for manufacturing and uses the waste heat to produce electricity. This is an example of which processes?

A. make an argument for halting the advances of technology? b. make an argument for continuing advances in technology

Water has a specific heat of 4.186 J/g°C, and ethanol has a specific heat of 2.450 J/g°C. Based on this information, which best compares water and ethanol? It requires more heat to raise the temperature of a gram of ethanol by 1°C.

Try it A volleyball player's hand applies a 39 N force while in contact with a volleyball for 2 seconds. What is the impulse on the ball?

Muscular strength is defined as:

Which piece of playground equipment could be used to model and explain the movement of matter in the biosphere

A 4-kg ball has a momentum of 12 kg∙m/s. what is the ball's speed?