A cylinder is fitted with a freely- sliding piston containing an ideal gas of mass 13g and volume 1.0 x 104 cm?. The temperature of the gas is
25°C and is initially at atmospheric pressure 1.0 x 105 Pa.
i) If the gas was heated to 400°C, calculate its new volume.

An object thrown vertically upward from the surface of a celestial body at a velocity of 36 m/s reaches a height of sequalsminus0.9tsquaredplus36t meters in t seconds. a. determine the velocity v of the object after t seconds. b. when does the object reach its highest point? c. what is the height of the object at the highest point? d. when does the object strike the ground? e. with what velocity does the object strike the ground? f. on what intervals is the speed increasing?

Which type of wave can travel without a medium

For the car in the picture ,in which direction is the normal force? -into the screen -down -out of the screen -up