The acceleration due to gravity on Jupiter is 2.5 times what it is here on earth. An object weighing 347.9 N here on earth will
1 answer:
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Answer:
Explanation:
It is given that,
Mass of the grindstone, m = 3 kg
Radius of the grindstone, r = 8 cm = 0.08 m
Initial speed of the grindstone,
Finally it shuts off,
Time taken, t = 10 s
Let is the angular acceleration of the grindstone. Using the formula of rotational kinematics as :
Let is the number of revolutions of the grindstone after the power is shut off. Now using the third equation of rotational kinematics as :
or
So, the number of revolutions of the grindstone after the power is shut off is 50.
<span>Data:
</span>R = 5 Ω
U = 12 V
i = ?
<span>
Formula:
</span>
→ 
<span>
Solving:
</span>
Answer:
<span>The current through the resistor is 2.4 Amperes</span><span>
</span>
</span>R = 5 Ω
U = 12 V
i = ?
<span>
Formula:
</span>
Solving:
</span>
Answer:
<span>The current through the resistor is 2.4 Amperes</span><span>
</span>