Can you explain question number 78 for me I’m lost 20.he0r73. 0₁ = -45°, 02 = 90°, r₁ = 6 in., r2 = 26 in.74. 0₁ = -60°, 02 = 60°, r₁ = 0.5 ft, r2 = 2.5 ft75. 0₁= 15°, 0₂ = 195°, r₁ = 21 cm, 72 = 95 cm76. 0₁ = 43°, 0₂ = 178°, r₁ = 0.4 m, r2 = 1.8 mApplications17. Bicycle Tire A bicycle has a tire 26 inches in diameterthat is rotating at 15 radians per second. Approximatethe speed of the bicycle in feet per second. 000odai tadWsi to78. Skateboard Wheel The wheels on a skateboard havea diameter of 2.25 inches. If a skateboarder is trav-eling downhill at 15 miles per hour, determine theangular velocity of the wheels in radians per second.boab79. Ferris Wheel A large Ferris wheel has a diameter of140 feet. It completes 1 revolution every 420 seconds.(a) Find the angular velocity in radians per second.drasl(b) What is the linear speed of a person who is ridingthis Ferris wheel?80. Location of the North Star Presently the North Star,Polaris, is located near the true North Pole. However,because Farthd 22.5° Earth precesses like

Diameter of wheel = 2.25 intraveling at a rate of 15 mph

Answered: Can you explain question number 78 for…

Math

Trigonometry

Can you explain question number 78 for me I’m lost

Mathematics For Machine Technology

8th Edition

ISBN:9781337798310

Author:Peterson, John.

Publisher:Peterson, John.

Chapter12: Multiplication Of Decimal Fractions

Section: Chapter Questions

Problem 13A: The length, L, of the point on any standard 118° included angle drill, as shown in Figure 12-5, can...

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Question

100%

Can you explain question number 78 for me I’m lost

20.
he
0
r
73. 0₁ = -45°, 02 = 90°, r₁ = 6 in., r2 = 26 in.
74. 0₁ = -60°, 02 = 60°, r₁ = 0.5 ft, r2 = 2.5 ft
75. 0₁= 15°, 0₂ = 195°, r₁ = 21 cm, 72 = 95 cm
76. 0₁ = 43°, 0₂ = 178°, r₁ = 0.4 m, r2 = 1.8 m
Applications
17. Bicycle Tire A bicycle has a tire 26 inches in diameter
that is rotating at 15 radians per second. Approximate
the speed of the bicycle in feet per second. 000
odai tadW
si to
78. Skateboard Wheel The wheels on a skateboard have
a diameter of 2.25 inches. If a skateboarder is trav-
eling downhill at 15 miles per hour, determine the
angular velocity of the wheels in radians per second.
boab
79. Ferris Wheel A large Ferris wheel has a diameter of
140 feet. It completes 1 revolution every 420 seconds.
(a) Find the angular velocity in radians per second.
drasl
(b) What is the linear speed of a person who is riding
this Ferris wheel?
80. Location of the North Star Presently the North Star,
Polaris, is located near the true North Pole. However,
because Farth
d 22.5° Earth precesses like

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