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Pie
2 years ago
13

You are swinging a bucket in a circle at a velocity of 7.8 ft/s. The radius of the circle you are making is 1.25 ft. The acceler

ation is equal to one over the radius multiplied by the velocity squared.
a. What is the acceleration of the bucket?
b. What is the velocity if the acceleration is 25 ft/sec2?
Mathematics
1 answer:
Ksju [112]2 years ago
7 0

Given that,

velocity, v = 7.8 ft/s

Radius, r = 1.25 ft

To find,

a. What is the acceleration of the bucket?

b. What is the velocity if the acceleration is 25 ft/sec²?

Solution,

(a) The centripetal acceleration is given by :

a=\dfrac{v^2}{r}

Put v = 7.8 ft/s and r = 1.25 ft

a=\dfrac{(7.8)^2}{1.25}\\\\=48.672\ ft/s^2

(b) Put a = 25 ft/s² to find velocity.

v=\sqrt{ar} \\\\v=\sqrt{25\times 1.25} \\\\v=5.59\ ft/s

Hence, this is the required solution.

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