Aman is flying in a hot-air balloon in a straight line while keeping it at a constant altitude. as he approaches a parking lot and notices that the angle of depression from his balloon to a friend's car is 36º. he flew directly over the car. a minute and a half later he has travelled 360 feet horizontally; he looks back to see his friend getting into the car and observes the angle of depression to be 37º. at that time, what is the distance between him and his friend

Water at room temperature of 20.0°c is poured into an aluminum cylinder which has graduation markings etched on the inside. the reading in the graduations is 300.0 cc. the cylinder with the water in it is then immersed in a constant temperature bath at a temperature of 100°c. what is the reading for the level of water on the graduations of the cylinder after the water and the cylinder reach thermal equilibrium with the bath? the volume coefficient of expansion of water is 2.07 x 10^-4 k-1, and the linear coefficient of expansion of aluminum is 23.0 x 10^-6 k-1. a) 305.0 cc b) 304.0 cc c) 303.5 cc d) 303.3 cc e) 304.5 cc

What causes the formation of ocean currents?

Two positive charges are equal. which has more electric potential energy?