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A 3.00 kg block moving 2.09 m/s
right hits a 2.22 kg block moving
3.92 m/s left. Afterward, the
3.00 kg block moves 1.11 m/s left.
Find the momentum of the 2.22 kg
block afterwards.
(Unit = kg*m/s)
Remember: right is +,
left is -

What is the average speed of a car that travels 40 mph for 1 hour and 60 mph in another hour?

If the textbook weighs 19.6 newtons on venus, what is the strength of gravity on venus?

Refrigerant-134a flows through a carnot heat pump cycle at 0.5 kg/s. it is known that the maximum absolute temperature in the cycle is 1.1 times the minimum absolute temperature, and the net power input to the cycle is 2.5 kw. if the refrigerant changes from a saturated vapor to a saturated liquid during the heat rejection process, determine the maximum magnitude of the enthalpy of vaporization for this process in kj/kg (with 3 significant figures).