Identify the forces acting on the cars and explain why the cars do not slide down the hill
1 answer:
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First we need to find the current flowing in the circuit. The three resistors are in series, so the equivalent resistance of the circuit is the sum of the three resistances:
Then we can apply Ohm's law to the whole circuit, to find the current flowing:
And now we can apply Ohm's law to the resistor of
to find the voltage drop across it:
Then we can apply Ohm's law to the whole circuit, to find the current flowing:
And now we can apply Ohm's law to the resistor of
Answer:
Explanation:
Centripetal acceleration is defined as:
Here v is the linear speed and r is the radius of the circular motion. The linear speed are given by:
The angular speed is defined as:
Replacing (3) in (2):
Finally, we replace (4) in (1):