in as small room fan of rating 50 watt is used for 10hrs 2bulb of rating 10v are used for 8hrs daily. calculate monthly. electricity bill for. month of June if cost of 1 unit is Rs10

In the sport of parasailing, a person is attached to a rope being pulled by a boat while hanging from a parachute-like sail. a rider is towed at a constant speed by a rope that is at an angle of 15 ∘ from horizontal. the tension in the rope is 1900 n. the force of the sail on the rider is 30∘ from horizontal. what is the weight of the rider? express your answer with the appropriate units.

What does si stand for,when referring to a system of measurement

Suppose that the half-life of an element is 1000 years. how many half-lives will it take before one-eighth of the original sample remains? 8 125 12.5 3