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Mrac [35]
3 years ago
12

A sound wave generated by a musical note has the characteristics presented

Physics
1 answer:
lana [24]3 years ago
4 0

Answer:

option c

Explanation:

6420/55

116.7

approximately 117

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If the torque required to loosen a nut that is holding a flat tire in place on a car has a magnitude of 33 N · m, what minimum f
Setler [38]

Answer:

The minimum force that must be exerted by the mechanic at the end of a 30 cm-long wrench to loosen the nut is 110N

Explanation:

Torque = Fd sin θ

For a torque, the minimum force must be applied perpendicular to the lever arm, so that θ = 90° and sin θ = sin 90° = 1

Torque = 33 N.m

F = Force applied = ?

d = 30 cm = 0.3 m

F = Torque/d = 33/0.3 = 110 N

8 0
4 years ago
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Factor 72x^2 - 8/9<br><br> If you can, please show the steps to solve!
ludmilkaskok [199]
Factor out 8 and then facotr and u get

8/9(9x+1)(9x-1
7 0
3 years ago
An object moves from position +34m to the position -15m in 15 seconds. What is the total displacement? What is the total velocit
Alexandra [31]

1) Displacement: -49 m, in the negative direction

Explanation:

The displacement of an object is a vector, whose magnitude is given by the difference between the final point of the motion and the starting point:

d=p_f -p_i

In this problem, the starting point is +34 m, while the final position is -15 m; therefore, the displacement is:

d=-15 m- (+34 m)=-49 m

and the direction is negative, in according to the negative sign.


2) Velocity: -3.27 m/s

Explanation:

Velocity is equal to the ratio between the displacement and the time taken:

v=\frac{d}{t}

in this problem, we have:

d = -49 m is the displacement

t = 15 s is the time

therefore, the velocity is

v=\frac{-49 m}{15 s}=-3.27 m/s

and the direction is negative.

8 0
3 years ago
PLEASE HELP 40 POINTS
sergij07 [2.7K]

Liar, not even 40 points....

5 0
3 years ago
What kind of energy involves the flow of positive charges?
solniwko [45]
Electrical

Electrical would be the energy that involves the flow of positive changes
7 0
3 years ago
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