An attacker at the base of a castle wall 3.65m high throws a rock straight up with speed 7.40m/s at a height of 1.55m above the ground. a). will the rock reach the top of the wall?
b). if so, what is the rocks speed at the top? if not, what initial speed must it have to reach the top?

At an oceanside nuclear power plant, seawater is used as part of the cooling system. this raises the temperature of the water that is discharged back into the ocean. the amount that the water temperature is raised has a uniform distribution over the interval from 10° to 25° c. what is the standard deviation of the temperature increase?

What object a collides with object b and bounces back its final momentum is?

What is the role of lenses in microscopy?