The speed at which an object falls and the acceleration at which it falls are always the same value

True or False

How can we produce more power than an excavator?

Oxygen-18 is a naturally-occuring, stable isotope and is commonly used is scientific studies as a tracer. Using the periodic table, predict the number of electrons, neutrons, and protons in oxygen-18.

How many neutrons are needed to initiate the fission reaction shown?

Which is 20 miles per hour north an example of? A. acceleration B. Direction C. Speed D. Velocity

A wire is first bent into the shape of a triangle. each side of the triangle is 20cm long. then the wire is bent and shaped into a square. what is the length of a side of the square

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?