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Q3 PreCal Assignment #4 Linear/Angular Velocity

Authored by Ramiro DeLeon

Mathematics

11th Grade

CCSS covered

Used 8+ times

Q3 PreCal Assignment #4 Linear/Angular Velocity
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11 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

Calculate the length of an arc with radius 15 cm and central angle of 30°.

450 cm
5π/2 cm or ≈ 7.9 cm
225 cm
5π/4 cm or ≈ 3.9 cm

Tags

CCSS.HSG.C.B.5

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

Determine the central angle if the arc length is 10 cm and the radius is 5 cm.

not possible ... "s" is too small
≈ 114.6°
360°

Tags

CCSS.HSG.C.B.5

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

Calculate the area of a sector with central angle of 140° and radius of 8 cm.

224/9 cm2 or ≈ 24.9 cm2
896 π/9 cm2 or ≈ 312.8 cm2
4480 cm2
224 π/ 9 cm2 or ≈ 78.2 cm2

Tags

CCSS.HSG.C.B.5

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

What is the radius of the circle with area of a sector equal to 7π cmand central angle of 70°?

6 cm
1π/5 cm or .6 cm
.8 cm
36 cm

Tags

CCSS.HSG.C.B.5

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Determine the linear velocity of the tips of the blades in inches per minute for a ceiling fan with 20 inch blades rotating at 45 rpm.

5654.9 in/min
1800 in/min
2827.4 in/min
900 in/min

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

A car tire has a diameter of 14 inches and is spinning at a of 10 revolutions per second. What is the linear speed in miles per hour?

7.95π mi / 1 hr
15.90 mi / 1 hr
3.28 rad / 1 hr
2.84 rad / 1 hr

Tags

CCSS.HSA.SSE.A.1

CCSS.HSG.GMD.A.1

CCSS.HSN.Q.A.1

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

A CD is spinning at an angular velocity of 10 rad/s. If a point on the edge of the CD has a linear velocity of 5 m/s, what is the radius of the CD?

2

10

1

0.5

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