Which is the fundamentals law of energy?

When an ambulance drives by your house with sirens blaring, the sound waves of the sirens are (space) as it approaches and (space) as it sppeds away

Lithium hydroxide reacts with hydrobromic acid to produce lithium bromide and water. If 10.0 g of lithium hydroxide reacts, how many grams of lithium bromide will be produced?

If F2 has a mass of 400 grams and is placed 20 cm from the fulcrum, where does F1 that has a mass of 200 grams need to be placed in order to have the board balance? A. 40 cm from the fulcrum B. 40 cm from the end of the meter stick C.

What is the combined velocity of a boat traveling 20 km/hr East on a river that is flowing 15 km/hr West?

What is best described as the energy of motion

Conditions for equilibriam

A 1200-kg car is pulling a 500-kg trailer along level ground. Friction of the road on the trailer is negligible. The car accelerates with an acceleration of 1.3 m/s2. What is the force exerted by the car on the traile

Which is the fundamentals law of energy?

Look at the divisions between 2 and 4. What level of precision does this stopwatch have based on the divisions marked on its face?

Because of which of the following can you see different colors?