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aksik [14]
3 years ago
10

Max is gearing up for her lacrosse match. What safety measures can help Max stay safe for the big event?

Physics
1 answer:
Alex73 [517]3 years ago
3 0
Wear protections clothes
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Two very large parallel sheets a distance d apart have their centers directly opposite each other. The sheets carry equal but op
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Answer:

(A) F

Explanation:

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3 years ago
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What is the centripetal force that holds planets in orbit?
Fudgin [204]
<h2>Answer: Gravity force</h2>

If we approximate the orbit of the planets around the Sun to circular orbits with a uniform circular motion, where the velocity \vec{V} is a vector, whose direction is perpendicular to the radius r of the trajectory; the acceleration \vec{a} is directed towards the center of the circumference (that's why it's called centripetal acceleration).  

Now, according to Newton's 2nd law, the force \vec{F} is directly proportional and in the same direction as the acceleration:  

\vec{F}=m.\vec{a}  

Therefore the net force resulting from the movement of a planet orbiting the Sun points towards the center of the circle, this is called Centripetal Force which is a central force that in this case is equal to the gravity force.

8 0
3 years ago
3.Three resistors of 25.0Ω, 30.0Ω, and 40.0Ω are in a series circuit with a 6.0-volt battery. What is the current in the circuit
AURORKA [14]

Answer:

Current = 0.063 Amperes

Explanation:

Let the three resistors be R1, R2, and R3 respectively.

Given the following data;

R1 = 25.0Ω,

R2 = 30.0Ω

R3 = 40.0Ω

Voltage = 6 Volts

First of all, we would determine the equivalent or total resistance;

Total resistance (in series) = R1 + R2 + R3

Total resistance = 25.0Ω + 30.0Ω + 40.0Ω

Total resistance = 95 Ω

Next, we find the current flowing through the circuit;

Voltage = current * resistance

Substituting into the formula, we have;

6 = current * 95

Current = 6/95

Current = 0.063 Amperes

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Wave A

<em>I</em><em> </em><em>hope this</em><em> </em><em>helps</em><em> </em>

8 0
2 years ago
A hockey puck wont slide very far on concrete or asphalt, but it will slide for a very long time on ice. Why is this?
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When hockey players push the puck along the ice it slides causing heat which melts the ice causing the friction against the ice to be less.
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3 years ago
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