A 1,500kg satellite is in orbit around Mars. at a distance of 2 Mars radii above the surface. Mars's mass is 6.42 x 10^23 kg, and its radius is 3.4 x 10^6 m. Calculate the magnitude of the gravitational force acting on the satellite. NO LINKS PLEASE

Steelhead trout migrate up stream to spawn.occasionally they need to leap up small waterfalls to continue their journey. fortunately, steelhead are remarkable jumpers, capable of leaving the water at a speed of 8.0 m/s. a. what is the maximum height a steelhead trout can jump? b.leaving the water at 8.0 m/s, the trout lands on top of the water fall 1.8 m high. how long was it in the air?