Calculate:

The time taken for a plane to travel

3,000 km at a speed of 200 m/s

Sound travels faster through rigid material like steel rather than through spongy materials like rubber. Why?

Despite skyrocketing demand for energy, a transition from fossil fuels to alternative sources of energy on a large scale is not expected to occur in the short term.

What is the speed of an eagle that travels 200 meters in 4 seconds?

Ans of this question A test charge of 1 couloumb moved from 30cm against the field of intensity 50N/c find the energy store in it A. Zero B. 15 joule C. 45 joule D. 1500 joule any tell me the and

Space walking astronauts are usually tethered by rope to the space capsule. An astronaut wearing his spacesuit and a 50 kg backpack has had his tether come loose and is now slowly drifting away into space.

What causes day and night on earth?

A yo-yo can be thought of as a solid cylinder of mass m and radius r that has a light string wrapped around its circumference (see below). One end of the string is held fixed in space.

Why is time an independent variable and position is a dependent variable in a position versus time graph

A geologist estimates that a large boulder weighs 7840 N. What should he estimate the mass of this boulder to be? A. 650 kg B. 740 kg C. 780 kg D. 800 kg

Two objects have the same momentum. Do the velocities of these objects necessarily have (a) the same directions and (b) the same magnitudes? Give your reasoning in each case.