An astronaut on a strange planet finds that she can jump a maximum horizontal distance of 15m if her initial speed is 3m/s. What is the acceleration due to gravity on the planet?

Explanation:

As the astronaut jumps and reaches the highest point, he is momentarily at rest, i.e.

We also know

By the formula,

where a is the acceleration of objectc due to gravity,

where negative sign indicates a downwards acceleration.

grav forces affect all objects magnetic forces affect magnetic objects and electric currents

answera compound;