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mezya [45]
3 years ago
9

True or false your vocal cords act like a guitar string when it comes to sound

Physics
2 answers:
torisob [31]3 years ago
8 0

Answer:

True

Explanation:

inna [77]3 years ago
3 0
The answer to this question is true
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Acceleration question plz help
andrezito [222]
For #5 It's helpful to draw a free body diagram so you know which way the forces are acting on the block.

the weight mg is acting downwards, and you need to find the vertical and horizontal components of mg using sin and cosine. so do 15x9.8xsin40 which is the force. Assuming no friction, this is the only force acting on the block, as the forces on the vertical plane cancel out i.e the normal force and weight of the block.

after, just do F=ma And since you know F and m, solve for a.
3 0
3 years ago
Match the following ERA’s Question 4
inna [77]
1. Cenozoic ERA
2. Mesozoic ERA
3. Paleozoic ERA
8 0
3 years ago
What's the time constant of a 10 H inductor and a 200 ohm resistor connected in series
melamori03 [73]
<h3>Option B</h3><h3>The time constant of a 10 H inductor and a 200 ohm resistor connected in series is 50 millisecond</h3>

<em><u>Solution:</u></em>

Given that,

10 H inductor and a 200 ohm resistor connected in series

To find: time constant

<em><u>The time constant in seconds is given as:</u></em>

Time\ constant = \frac{L}{R}

Where,

L is the inductance in henry and R is the resistance in ohms

Time\ constant = \frac{10}{200}\\\\Time\ constant = 0.05\ seconds

Convert to millisecond

1 second = 1000 millisecond

0.05 second = 0.05 x 1000 = 50 millisecond

Thus time constant is 50 millisecond

7 0
3 years ago
The amount of potential energy depends on the objects _________ and position
disa [49]
Mass would be the answer
4 0
3 years ago
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An electric field around the rubbed balloon exerts a force that pulls the paper. Identify the contact forces and the field force
melamori03 [73]

Answer: the contact force is when you rub the balloon on a surface

Explanation:

4 0
2 years ago
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