Answer:
(A) It will take 22 sec to come in rest
(b) Work done for coming in rest will be 0.2131 J
Explanation:
We have given the player turntable initially rotating at speed of
Now speed is reduced by 75 %
So final speed
Time t = 5.5 sec
From first equation of motion we know that '
(a) Now final velocity
So time t to come in rest
(b) The work done in coming rest is given by
Answer:
False
Explanation:
Low humidity is typically associated with cold temperatures since cold air holds less water compared to warm air. While it is possible for indoor humidity to be as low as 10%, most people generally find humidity levels of about 40 to 45 percent comfortable.
Because the people in the car are attached to the vehicle, the people inside the vehicle are going the same speed as the vehicle.
Hope this helps! :)
Answer:
10880N
Explanation:
We are given that
Mass of elevator, m=850 kg
Acceleration,
We have to find the tension in the cable.
We know that
When elevator is accelerating upward then tension in the cable
Using the formula