If an observer is hearing a rising pitch, that means that the frequency of the waves in their position is falling.

Is france a example of a developed country true or false

What is the relationship between area, force, and pressure? what is the relationship between area, force, and pressure? pressure is inversely proportional to force and proportional to area.

An 8 Ω resistor is connected to a battery. The current that flows in the circuit is 2 A. Calculate the voltage of the battery.

1. Why do herbivores and carnivores have different types of teeth 2. Why is breathing necessary? Describe how air reaches inside the body of an insect. • How do fish breathe under water? Snakes do not have legs.

A 5 g pecan hangs at the top of a very old pecan tree. The pecan has a gravitational potential energy of 1.1 J. How tall is the tree?

Based on how the book describes a heat pump in sec 16.3 how does a heat pump prove law of conservation of energy

When a gas in a container is squeezed to half its volume, its density?

A ballet student with her arms and a leg extended spins with an initial rotational speed of 0.90rev/s. As she draws her arms and leg in toward her body, her rotational inertia becomes 0.80 kg⋅m2 and her rotational velocity is 4.1rev/s.

The power rating of a vacuum cleaner is 0.8 kilowatts. If you use the vacuum cleaner for 2.5 hours, how much energy does it use?

Which has more gravitational potential energy - - a cliff diver at the top of the cliff or a cliff diver at the bottom of the cliff?