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ExtremeBDS [4]
3 years ago
9

Just before the ball leaves her hand, what is its centripetal acceleration?

Physics
1 answer:
erica [24]3 years ago
5 0
A = \frac{ v^{2} }{r} = ω²r
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1.
Anna35 [415]

Answer:

430.

Explanation:

If we know that 0.5 is half of a whole number, then we can simply understand that we need to 215 x 2 to get our answer.

3 0
3 years ago
What impulse must be applied to a 25.0-kg cart to cause a velocity change<br> of 12.0 m/s?
klio [65]

Answer:

Impulse of force = 300Ns

Explanation:

Given the following data;

Mass = 25kg

Change in velocity = 12m/s

To find the impulse;

Impulse is given by the formula;

Impulse \; of \; force = mass * change \; in \; velocity

Substituting into the equation, we have;

Impulse \; of \; force = 25 * 12

Impulse of force = 300Ns

8 0
3 years ago
what would happen to the simple circuit if an additional wire were added to the circuit to connect the terminals of the bulb to
lilavasa [31]

As current increases, the wires heat which can cause a fuse to blow or a circuit breaker to trip. As additional branches are added to a parallel circuit, the overall resistance of the circuit decreases. A decrease in resistance creates an increase in current.

<h3>What is a Simple circuit ?</h3>

A battery (or other energy source), a light bulb (or other energy-consuming device), and conducting wires that connect the two terminals of the battery to the two ends of the light bulb make up a simple electric circuit.

  • Three elements make up an electric circuit: a power source, such as a battery or the mains. a lightbulb-like energy receiver an energy conduit, such as a wire

Learn more about Simple circuit here:

brainly.com/question/530349

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Energy that a microwave use to heat food?
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Electromagnetic energy
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Drug abuse is characterized by _____.
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There can be mental health effects and psychological dependence
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