What direction does air resistance act on an object that is falling straight down

You collect hydrogen gas over water at 323 K. The partial pressure of hydrogen is 122.4, and the total pressure is 134.7 kPa. What is the pressure of the water vapor

A 0.0220 kg bullet moving horizontally at 400 m/s embeds itself into an initially stationary 0.500 kg block. (a) What is their velocity just after the collision? (b) The bullet-embedded block slides 8.0 m on a horizontal surface with a 0.

What is the definition of light

What force always attracts objects to each other?

What is the difference between speed and velocity? A. velocity describes speed with direction. B. velocity describes direction with position. C. velocity is used in space; speed is used on earth D. there is no difference.

Which of the following is an example in which kinetic energy is converted to potential energy? O A. A rock falls down a cliff. OB. A match burns. OC. A spring is stretched. OD. A light bulb glows brightly.

What THREE properties determine the speed at which a sound wave travels in a medium?

As a skydiver falls, the air is forced to move around him. What energy transformation does this cause? A. Potential energy from the skydiver becomes potential energy in the atmosphere. B.

On your way to the dance through there is some slow driving person in front of you so you slam on the gas going 30 mi/hr to 60 mi/he. Luckily your date brought a stop watch and told you the whole thing took place in 10s.

The sources of the heat inside Earth