Which of the following is the dosest to the change in gravitational potential energy for a 10 kg weight which is raised from a 1 m tall stool to a 5 m tall table?
a
400)
b
300)
Ο Ο Ο Ο
200)
500
d

Most energy in an ecosystem comes originally from_

Atotal charge of –6.50 µc is uniformly distributed within a sphere that has a radius of 0.150 m. what is the magnitude and direction of the electric field at 0.300 m from the surface of the sphere? a) 2.89 × 105 n/c, radially inward b) 6.49 × 105 n/c, radially outward c) 4.69 × 105 n/c, radially inward d) 9.38 × 105 n/c, radially outward e) 1.30 × 106 n/c, radially inward

The slope of a velocity time graph over any interval of time gives the during that interval