During a shot-putting event, the winner had a throw of 21.3m. Assuming the shot was thrown at 48° at an initial height of 1.75 m, how fast was it thrown?

Which changes would result in a decrease in the gravitational force btween two objects? check all that apply

What component of earth’s atmosphere exists entirely as a result of photosynthesis?

Two pans of a balance are 24.1 cm apart. the fulcrum of the balance has been shifted 1.33 cm away from the center by a dishonest shopkeeper. by what percentage is the true weight of the goods being marked up by the shopkeeper? assume the balance has negligible mass. answer in units of %.