When Jenny writes, the pencil exerts a force of 5n on the paper. The area of the contact is 0.5mm square. Calculate the pressure.

What is the net force that acts on a 10N falling object when it encounters 4N resistance

How would the speed of earth's orbit around the sun change if earth's distance from the sun increased by 4 times? a. it would increase by a factor of 2. b. it would increase by a factor of 4. c. it would decrease by a factor of 2. d.

The wavelength of light mainly affects our perception of

What are the advantage of using every judiOusby

Which parts of a compound microscope magnify objects?

On very dry days, when you use a comb or a brush, your hair sometimes stands on the end and maybe even sticks to the comb or brush. Explain why this happens in terms of electric charge.

A large balloon is initially filled to a volume of 1.96 l at 318.44 k and a pressure of 2.89 atm. what volume of gas will the balloon contain at 1.77 atm and 336.33 k?

How to calculate kinetic energy? (physics/physical science)

What's the difference between the offspring of an asexual organism and a sexual organism

The contamination that results from the spread of bacteria from meat to vegetables is called