Janet jumps off a high diving platform with a horizontal velocity of 2.43 m/s and lands in the water 1.3 s later.
how high is the platform? the acceleration of gravity is 9.8 m/s2 .

What tightening torque should be used for a hexagonal head screw (not split-bolt) on a 250 kcmil conductor?

Astudent creates a model of a closed ecosystem by filling a glass tank half full with water, then adding 10 snails and two small aquatic plants. the next day, all the snails are dead. what is the most likely cause of their death?

On a day when the barometer reads 75.23 cm, a reaction vessel holds 250 ml of ideal gas at 20 celsius. an oil manometer ( ρ= 810 kg/m^3) reads the pressure in the vessel to be 41 cm of oil and below atmospheric pressure. what volume will the gas occupy under s.t.p.?