The planet earth travels in a circular orbit at constant speed around the sun. what is the net work done on the earth by the gravitational attraction between it and the sun in one complete orbit? assume that the mass of the earth is given by me, the mass of the sun is given by ms, and the earth-sun distance is given by res.

orbitals will be 29

Explanation:

weight of the box is given as

here this is placed on the inclined of angle 42 degree

now this weight will have two components one is along the incline other is perpendicular to it

so here we need to apply a force parallel to incline opposite to its component of weight

so here the component of weight is given as

here we have

so it requires 75 n force to move it upwards

k2s for potassium sulphide