Which has a greater momentum: cheetah with a mass of about 74 kg and a running speed of up to 31 m/s, or an elephant with a mass of 7000 kg running at 18 km/hr? help im gonna diee*^*

Answer asap need it by wednesday morning calculate the ph of 0.02m hcl best answer will be brainliest

How many liters of ethylene glycol antifreeze (c2h6o2), with a density of 1.100 g/l, would you add to your car radiator containing 15.0 kg of water if you needed to protect your engine to - 21.5°c? for water, kf = 1.86°c m -1.

A40 kilogram skier starts at the top of a 12 meter high slope. at the bottom, she is travelling 10 meters per second. how much energy does she lose to friction