A race car travels on a circular track at an average rate of 125 mi/h. The radius of the track is 0.320 miles. What is the centripetal acceleration of the car?

A race car travels on a circular track at an average rate of 125 mi/h. The radius of the track is 0.320 miles. 48,828.125 mi/hr² is the centripetal acceleration of the car. V = 125 mi/h and r = 0.320 miles = 125²/0.320 =15625/0.320 = 48,828.125 mi/hr²

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Asked 10/22/2018 7:11:56 AM

Updated 6/13/2021 9:00:19 PM

1 Answer/Comment

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A race car travels on a circular track at an average rate of 125 mi/h. The radius of the track is 0.320 miles. 48,828.125 mi/hr² is the centripetal acceleration of the car.

V = 125 mi/h and r = 0.320 miles

= 125²/0.320

=15625/0.320

= 48,828.125 mi/hr²

V = 125 mi/h and r = 0.320 miles

= 125²/0.320

=15625/0.320

= 48,828.125 mi/hr²

Added 6/13/2021 9:00:19 PM

This answer has been confirmed as correct and helpful.

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If five times a number plus two is 17, what is the number?

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2 Answers/Comments

Given the formula D = ABC, the formula for C is: C =D/AB.

Added 6/13/2021 8:46:38 PM

This answer has been confirmed as correct and helpful.

If five times a number plus two is 17, the number is 3.

5n + 2 = 17

5n = 17 - 2

5n = 15

n = 15/5

n = 3

5n + 2 = 17

5n = 17 - 2

5n = 15

n = 15/5

n = 3

Added 6/13/2021 8:49:27 PM

This answer has been confirmed as correct and helpful.

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Updated 150 days ago|10/20/2022 10:10:58 AM

1 Answer/Comment

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= 2xy+2xy + 3x+3x

= 4xy + 6x

= 2xy+2xy + 3x+3x

= 4xy + 6x

Added 150 days ago|10/20/2022 10:10:54 AM

This answer has been confirmed as correct and helpful.

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Question

Updated 104 days ago|12/5/2022 11:23:46 AM

2 Answers/Comments

The spoke of a wheel reaches from the center of the wheel to its rim. If the circumference of the rim of the wheel is 48 inches, Circumference =2*pi*r , 48=2 *3.14 *r , r = 48 /(2*3.14) =7.64 inches. The length of each spoke is 7.64 inches.

Added 202 days ago|8/30/2022 5:42:14 AM

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In order for a button to fit through its buttonhole, the hole needs to be the size of the button's diameter. 3 centimeters is needed for a button with a circumference of 9.42 centimeters.

Solution:

Diameter = 9.42 ÷ Pi = 2.998 cm.

Solution:

Diameter = 9.42 ÷ Pi = 2.998 cm.

Added 104 days ago|12/5/2022 11:23:46 AM

This answer has been confirmed as correct and helpful.

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Updated 10/4/2021 7:30:21 PM

1 Answer/Comment

The circumference of a circle with a diameter of 12 ft is 37.7 ft.

Solutions:

circumference (c) = pi * diameter (d)

c = pi * d

c = 3.1416 * 12

c = 37.7 (rounded)

Solutions:

circumference (c) = pi * diameter (d)

c = pi * d

c = 3.1416 * 12

c = 37.7 (rounded)

Added 10/4/2021 7:30:21 PM

This answer has been confirmed as correct and helpful.

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