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Andrei [34K]
3 years ago
11

A 300-lb gorilla climbs a tree to a height of 30 ft. Find the work done if the gorilla reaches that height in the following time

s.(a) 10 seconds w= _____ ft-lb (b) 5 seconds w= _____ ft-lb
Mathematics
1 answer:
omeli [17]3 years ago
4 0

Answer:

a) 9000 ft-lb

b) 9000 ft-lb

Step-by-step explanation:

Equation for the work:

The equation for the work done is given by:

W = Fd

In which F is the force needed and d is the distance. The time does not interfere on the work.

A 300-lb gorilla climbs a tree to a height of 30 ft

This means that F = 300, h = 30

Thus

W = Fd = 300(30) = 9000

The work done in both cases is of 9000 ft-lb, as the work is not a function of time.

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Ivanshal [37]

Answer:

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Step-by-step explanation:

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The graph of the function f(x) = –(x + 6)(x + 2) is shown below.
laiz [17]

Answer:

Option A. x < -4

Step-by-step explanation:

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General form of the function will be,

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Vertex form of the function will be,

f(x) = -[x² + 2(4)x + 12]

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Therefore, parabola for the function above will open down with vertex (-4, 4) as shown in the graph attached.

Graph shows the function is increasing in x < -4 and decreasing in x > -4.

Therefore, Option A. is the correct answer.

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Step-by-step explanation:

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