g A man is passing barrels of water to another person from a height of 4 meters. The barrel is attached to a roof that is 10 meters above the ground. The rope holding the barrel is 6 meters long and will break if the tension exceeds 603 N. How many liters of water can the man put in the barrel without the rope breaking (assuming that the barrel is massless)

The discovery that the universe appears to be expanding led to a widely accepted theory called a.) the big bang theory b.) the doppler effect c.) hubble’s law d.) solar nebular theory e.) the seyfert theory

Mutt and jeff are running along a path each pushing a cart loaded with rocks. if mutt's wagon has a mass two times greater than jeff's and they want to stay together, arriving at their destination at the same time, what must happen? a) jeff should slow down so mutt can catch up. b) mutt must use half as much force to push his cart. c) mutt must use twice as much force to push his cart. d) mutt and jeff will use the same force, but mutt will take bigger steps.

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