Find the gravitational potential at a point on the earth’s surface. take mass of earth as 5.98 x 10 24 kg, its radius as 6.38 x 10 6 m and g = 6.67 x 10 – 11 nm2 kg – 2.

Which is the best for showing percentages of different types of cars sold(gas hybrid , electric , other ) in the united states ?

What is the temperature in degrees celsius of a substance with a tempature of 49k

Two students, each riding bicycles, start from the same apartment building and ride to the same building on campus, but each takes a different route. the first student rides 1100 m due east and then turns due north and travels another 1430 m before arriving at the destination. the second student heads due north for 1930 m and then turns and heads directly toward the destination. at the turning point, how far is the second student from the destination?