plz help me mathematics problem
A small radio transmitter broadcasts in a 43 mile radius. If you drive along a straight line from a city 55 miles north of the transmitter to a second city 51 miles east of the transmitter, during... more
Water wave frequency
A water wave vibrates up and down four times each second, the distance between two successive crests is 5 meters, and the height from the lowest part to the highest part of the wave is 2... more
Another Physics question about radius
How much would a 100-kg object weigh at one earth’s radius above the earth?