Bob has a tree house at a height of 20 ft. When he's feeling adventurous he uses a rope to climb the tree house instead of the ladder. If the weight of the rope is 32 lb, then how much work must Bob do to pull the rope up once he has entered the house? A. 173.00 ft-lb B. 235.29 ft-lb C. 320.00 ft-lb D. 383.54 ft-lb
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Answer 1
Answer:
Answer:
This is a question of Potential energy. are you sure these are the options for it?
First, change to / Your problem should look like: Second, multiply both sides by 8. / Your problem should look like: Third, divide both sides by 5. / Your problem should look like:
Answer as fraction: y = Answer as decimal: -1.6
5/8y=−1
Multiply both sides by 8/5.
(8/5)*(5/8y)=(8/5)*(−1)
y=−8/5
Suppose a triangle has sides 3 4 and 5, which of the following must be true
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You haven't given any options to select. However, if this is the way of values we can check pythagoras theorem .
5^2 = 25
3^2 + 4^2 9 + 16 25
25 = 25
therefore we can say it is the right angle triangle
Which literal equations are equivalent to p = mv?Choose all answers that are correct.
A. m= p/v B. m= v/p C. v = m/p D. v = p/m
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B and D because it doesnt matter how you write the equation you still get the same answer,
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