A projectile is launched at an angle of 75° at an initial velocity of 30 m/s. What height will it reach?
(note: sin? Omeans (sing)2)
A) 32 m
B) 6.9 m
C) 180 m

Agas is contained in a vertical, frictionless piston–cylinder device. the piston has a mass of 3.2 kg and a cross-sectional area of 35 cm2. a compressed spring above the piston exerts a force of 190 n on the piston. if the atmospheric pressure is 95 kpa, determine the pressure inside the cylinder.

If a balloon is taken outside on a very cold day, what will occur?

Which lists the pairs of plates in order from least to greatest in terms of the work done to move the electron?