Mention two ways to increase the strength of an electro magnet.

Sources A and B emit long-range radio waves of wavelength 360 m, with the phase of the emission from A ahead of that from source B by 90°. The distance rA from A to a detector is greater than the corresponding distance rB from B by 150 m.

If you move a substance from one container to another its volume changes the substance is a?

Which of these is a function of the blood?

Dizziness. Our balance is maintained, at least in part, by the endolymph fluid in the inner ear. Spinning displaces this fluid, causing dizziness. Suppose a dancer (or skater) is spinning at a very fast 2.

Which causes a rainbow in the sky? a. Sunlight (white light) is refracted as it passes through different layers in the atmosphere. b. Sunlight (white light) refracts when it passes through droplets of water in the atmosphere. c.

Scenario A: 120 J of work is done in 6 s. Scenario B: 160 J of work is done in 8 s. Scenario C: 200 J of work is done in 10 s. Which scenario uses the most power?

Which of the following is the most accurate description of the relationship between velocity and acceleration? A. Velocity and acceleration are the same thing. B. Velocity is a type of acceleration. C. Acceleration is a change in velocity. D.

The force needed to move an object 14 meters with 83 joules of work is what?

What is the relationship between fossil fuels and energy? A. Fossil fuels are a form of mechanical energy. B. Fossil fuels are a form of chemical energy. C. Fossil fuels are a form of geothermal energy. D. Fossil fuels are a form of nuclear energy.

A horizontal piston-cylinder compresses adiabatically 1 mol of propane gas, initially at 350 K, from 0.04 to 0.01 m3.