A spinning disk is rotating at a rate of 4 rad/s in the counterclockwise directi

Question

A spinning disk is rotating at a rate of 4 rad/s in the counterclockwise direction as shown in the figure.
What is the direction of the angular velocity vector?

Correct: up
Incorrect: left
Incorrect: down
Incorrect: right
You are correct. Computer's answer now shown above.
Your receipt no. is 158-6789 Previous Tries
If the disk is speeding up at a rate of 2 rad/s2, what is the direction of the angular acceleration vector?

left
right
up
down
Tries 0/2
Find the wheel's angular velocity after 4 s.
rad/s
Tries 0/2

Find the angle through which the wheel has turned after 4 s in radians.
radians
Tries 0/2
Find the speed of a point located at r = 10 cm from the center of the wheel after 4 s.
m/s
Tries 0/2

Find the magnitude of the parallel acceleration of the point in the above part.
m/s2

Explanation / Answer

up

up

12rad/s

32rad=50.26degree

speed=1.2m/s

0.2m/s2

Related Questions

Navigate

• Browse (All)
• Browse A
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.