Answer:60 rev/min
Explanation:
Given
angular speed of first shaft
Moment of inertia of second shaft is seven times times the rotational speed of the first i.e. If I is the moment of inertia of first wheel so moment of inertia of second is 7 I
As there is no external torque therefore angular momentum is conserved
Answer:
R= 5.4 ohms
Explanation:
Given that
V= 9 V
Power ,P= 15 W
Lets take resistor resistance = R
We know that Power given as
V=Voltage
P=Power
R=Resistance
Now by putting the all the values in the above equation
R= 5.4 ohms
Therefore the resistance of the resister will be 5.4 ohms.
Answer:
Explanation:
Given:
mass of ice melted,
time taken by the ice to melt,
latent heat of the ice,
Now the heat rejected by the Carnot engine:
Since we have boiling water as hot reservoir so:
The cold reservoir is ice, so:
Now the efficiency:
Now form the law of energy conservation:
Heat supplied:
where:
heat supplied to the engine
Now the work done:
Answer: Heyaa! ~
State of the problem is that your friend routinely misses the school bus.
Explanation:
What are the causes for his missing the school bus:
- Not waking<em> early </em>enough
- Too<em> long</em> breakfast
- Too<em> far</em> to the bus stop.
- <em>Deliberately</em> tries to miss the bus.
Hopefully this helps you!
-Matthew ^^
-55 C to F is -67.
I hope this helps you!
Brainliest answer is always appreciated!