If the angle of incidence is 60 degree then find the magnitude of angle of reflection light solution

Acaterpillar tries to climb straight up a wall a meter high, but for every 2 cm up it climbs, it slides down 1 cm. eventually, it reaches the top. when it reaches the top, it does not pull itself over so it will slide down 1 cm. what is the total displacement traveled?

If the textbook weighs 19.6 newtons on venus,what is the strength of gravity on venus?

In what direction does an applied force move an object