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stgsry4003
16.11.2020 •
Mathematics
(U will get brainliest if u help! Pls write at least 2 sentences to support your answer :D ) What is 4 x 3/8 ?
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Ответ:
4 × 3
8
= 4 × 3
8
= 4 × 3
8
= 2 × 3
4
= 1 × 3
2
= 1 × 3
2
= 3
2
= 1.5
Ответ:
Angular speed = w = 52.36 rad/s
Linear_velocity = 20.94 m/s
Step-by-step explanation:
A machine wheel spins at a rate of 500 revolutions per minute.
This represents the angular velocity of the machine.
We need to convert it to the appropiate units. (rad/s)
500 rev/min * (2π rad/ rev) = 1000π rad/min
1 minute = 60 seconds
1000π rad/min = 1000π rad/(60 s) = 52.36 rad/s
Angular speed = w = 52.36 rad/s
If you need the linear velocity, it i equal to
Linear_v = w*radius
radius = 0.5* diameter = 0.5*(80cm) = 40 cm = 0.4 m
Linear_v = (52.36 rad/s)*(0.4 m) = 20.94 m/s