Physics, 18.10.2020 08:01 alaynaakrie9151
A cheetah is chasing a gazelle. During the chase, the cheetah runs 50 m east, then 25 m west, then 30 m east. The cheetah does this in 30 seconds. What is the speed and the velocity of the cheetah?
Answers: 1
Physics, 21.06.2019 23:10
A248-g piece of copper is dropped into 390 ml of water at 22.6 °c. the final temperature of the water was measured as 39.9 °c. calculate the initial temperature of the piece of copper. assume that all heat transfer occurs between the copper and the water. remember, the density of water is 1.0 g/m
Answers: 1
Physics, 22.06.2019 15:20
What component of earth’s atmosphere exists entirely as a result of photosynthesis?
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Physics, 22.06.2019 16:00
Agroup of monkeys is trying to cross the river in a rowboat. the maximum buoyant force on the rowboat is 2,000 n. the weight of the rowboat is 1,000 n. each monkey has a weight of 150 n. how many monkeys can safely cross in the rowboat at one time? explain your reasoning, including any calculations you used to find the answer.
Answers: 1
A cheetah is chasing a gazelle. During the chase, the cheetah runs 50 m east, then 25 m west, then 3...
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