He sled is pulled up a higher hill that is less steep than the original hill described.

Aforce of 240.0 n causes an object to accelerate at 3.2 m/s2. what is the mass of the object?

"an open tank has the shape of a right circular cone. the tank is 6 feet across the top and 5 feet high. how much work is done in emptying the tank by pumping the water over the top edge? note: the density of water is 62.4 lbs per cubic foot."

Which types of electromagnetic waves have higher frequencies than the waves that make up ultraviolet light? check all that apply. radio waves infrared light microwaves gamma rays visible light x-rays