Aperson in a kayak starts paddling, and it accelerates from 0 to 0.61 m/s in a distance of 0.39 m. if the combined mass of the person and the kayak is 74 kg, what is the magnitude of the net force acting on the kayak?

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?

True or false graphs must include scales that increase by the same amount

This energy transformation diagram represents the energy of a skateboarder moving along a half-pipe. as she skates toward the top of the half-pipe, her original kinetic energy is converted to potential energy and friction. how much of the energy is potential?