A conducting material must have many free electrons to qualify as an insulator.

The boat slightly moves backward when we jump from it. give reason

What is physics mean and branch

A satellite of mass 200kg completes a circular orbit of the Earth in 120 minutes. A 400 kg satellite is then put into orbit at the same height above the Earth.

Bright sunlight is reflected from an icy pond. You look at the glare of the reflected light through polarized glasses. When you take the glasses off, rotate them 90∘, and look through one of the lenses again, the light you see becomes brighter.

When a candle burns, which forms of energy does the chemical energy in the candle change to?

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Why does momentum have a direction?

What is the difference between weight and mass?

An object has a mass of 8.00 kg. What is the gravitational force on the object by the earth?

Which of the following best characterizes the free energy change ΔG for an endothermic reaction under physiological conditions? A. The sign of ΔG is positive B. The sign of ΔG is zero C. The sign of ΔG is negative D.