Determine the kinetic energy of a 1000kg roller coaster car that is moving with a speed of 20.0m/s

The stars in the sky are organized into groups of stars called constellations which appear near each other in the sky but are not necessarily close together in space. How many constellations are currently accepted by the IAU?

Plants and animals use the oxygen in the air to turn food into energy. This life process is known as what? A) digestion Eliminate B) excretion C) growth D) respiration

What is the best way to avoid overloading your boat

Examining all of the major characteristics of Pluto and Eris (e. g., composition, location, orbit, atmosphere, etc.), what type of Solar System object does it most closely resemble?

A green dot in the middle of 4 concentric circles. The first away from the green dot is labeled n = 1. The second circle away from the green dot is labeled n = 2.

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?

A skydiver with a mass of 60 kg jumps from an airplane. Five seconds after jumping the force of air resistance is 300 N. What is the acceleration of the sky diver, five seconds after jumping?

How many basic wave forms are there? A.) 1 B.) 2 C.) 3 D.) 4