What is the kinetic energy of a 2000 kilogram boat moving at 5m/sec?

How does an airplane engine work?

If the units of your answer are kg ∙ m2/s3, which of the following types of quantities could your answer be? A. kinetic energy B. potential energy C. force D. power E. work

Alpha radiation is another type of radiation. Alpha particles consist of two protons and two neutrons bound together into a particle identical to a helium nucleus. They have much less energy than either beta particles of gamma waves.

Who discovered the x-ray?

Two bicycle tires are set rolling with the same initial speed of 3.1 m/s m/s along a long, straight road, and the distance each travels before its speed is reduced by half is measured.

The Hubble Space Telescope (HST) orbits 569,000m above Earth's surface. Given that Earth's mass is 5.97 * 10^24 kg and its radius is 6.38 * 10^6 m, what is HST's tangential speed?

What do safety features in a car do to protect us in a collision

Chemical sediments that result from the evaporation of water are

A college student is working on her physics homework in her dorm room. her room contains a total of 6.0*1026 gas molecules. as she works, her body is converting chemical energy into thermal energy at a rate of 125 w.

A uniform, thin, solid door has height 2.20 m, width 0.870 m, and mass 23.0 kg. (a) find its moment of inertia for rotation on its hinges. (b) is any piece of data unnecessary