12. The mars rover, Spirit has a mass of 836 kg. Calculate its weight on Earth and on Mars. The acceleration due to gravity on Mars is 3.8 m/s?

According to newtons universal law of gravitation, which would change the parh of the ball so it traces out widest curved path possible?

Which compound is held together by the electrostatic force between two ions? a. co2 b. cci4 c. h2s d. mgf2

An owl dives toward the ground with a constant velocity of 4.40 m/s at 53.0° below the horizontal. the sun is directly overhead and casts a shadow of the owl directly below it. what is the speed (in m/s) of its shadow on level ground?