Which of the following is the medium which creates oxbows? water wind ice gravity
2 answers:
Answer: Option (a) is the correct answer.
Explanation:
Oxbows means that formation of a loop like a horseshoe bend in a river or it could be like a U-shaped letter.
For example, U-shaped bodies on the side of a river represent an oxbow.
When oxbows are closely monitored then it tells about the actual condition of the river.
Therefore, we can conclude that out of the given options water is the medium which creates oxbows.
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Answer:
B) 35 W
Explanation:
Force applied by child = 75 N = F
Distance travelled by child = 42 m = d
Time traveled for is 1.5 min = 1.5×60 = 90 seconds = t
Work done by the child
W = Fdcosθ
⇒W = 75×42cos0
⇒W = 3150 Joule
Power is defined as work done per unit time
∴ The average power generated by the child is 35 W