A grasshopper jumps at a 65.0° angle at 5.42 m/s. At what time
does it reach its maximum height?
(Unit = s)

How would a small bar magnet be oriented when placed at position x?

Achlorine atom has 17 protons and 18 neutrons. what is its mass number? what is its atomic number?

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 %.