Io is a moon of Jupiter with a radius of about 1.815 km. Io orbits Jupiter at a distance of
4.23 x 105 km. What is the relative
difference in the forces exerted by Jupiter
on lo's surface and on its center?
A. 0.00429
B. 0.233
C. 233
D. 429

When a bicycle coasts uphill, it moves slower and slower as it climbs. why? a. its kinetic energy is transforming into heat energy. b. its potential energy is transforming into kinetic energy. c. its kinetic energy is transforming into potential energy and heat energy. d. its potential energy is transforming into kinetic energy and heat energy.

What is the equation for electrical work?

Calculate a pendulums frequency of oscillation (in hz) if the pendulum completes one cycle in 0.5s.