The average speed of a runner who runs 500 m in 96 s is what?

The number of hours of daylight at any place on earth depends on

Trevor places a mass on a spring. When he releases it, the mass and spring move in simple harmonic motion. How could Trevor increase the amplitude of the motion? He could use a longer spring. He could use a smaller mass.

Refer to a situation where you exert a force F on a crate of mass M, moving it at a speed v a distance d across a floor in a time interval t. The quantity F d/t is? a.) kinetic energy of the crate b.) potential energy of the crate c.

Why can't there be a number lower than absolute zero

A fuse in a motor vehicle electrical system has a resistance of 0.05 Ω. It is designed to blow when the power dissipation exceeds 50 W. What is the current rating of the fuse?

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