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Verdich [7]
4 years ago
10

You are facing North. Turn 90 degrees left. Turn 180 degrees right. Reverse direction. Turn 45 degrees left. Reverse direction.

In which direction are you now facing?
Physics
1 answer:
ZanzabumX [31]4 years ago
3 0

You are facing North. Turn 90 degrees left. W.

Turn 180 degrees right. E.

Reverse direction. W.

Turn 45 degrees left. S.W.

Reverse direction. N.E.

In which direction are you now facing? North East

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Question 17 of 25
Oxana [17]

Answer:

I think it is C

Explanation:

states that for every action (force) in nature there is an equal and opposite reaction. In other words, if object A exerts a force on object B, then object B also exerts an equal and opposite force on object A. Notice that the forces are exerted on different objects.

3 0
3 years ago
A shank has a moment of inertia about the knee joint of 0.18 kg∙m^2. Assume that the quadriceps muscles (vasti and the rectus fe
timofeeve [1]

Answer:

Torque will be equal to 4.176 N-m

Explanation:

It is given moment of inertia about knee joint I=0.18kgm^2

Angular acceleration produced \alpha =23.2rad/sec^2

We e have to find the torque

Torque is equal to \tau =I\alpha , here I is moment of inertia and \alpha is angular acceleration.

Torque will be equal to \tau =0.18\times 23.2=4.176Nm

So torque is equal to 4.176 N-m

8 0
3 years ago
If f(x)=4/x+2 and g is the inverse of f,then g'(10)=​
ch4aika [34]

Answer:

g'(10) = \frac{-1}{16}

Explanation:

Since g is the inverse of f ,

We can write

g(f(x)) = x    <em> </em><em>(Identity)</em>

Differentiating both sides of the equation we get,

g'(f(x)).f'(x) = 1

g'(10) = \frac{1}{f'(x)}    --equation[1]    Where f(x) = 10

Now, we have to find x when f(x) = 10

Thus 10 = \frac{4}{x} + 2

\frac{4}{x} = 8

x = \frac{1}{2}

Since f(x) = \frac{4}{x} + 2

f'(x) = -\frac{4}{x^{2} }

f'(\frac{1}{2})  =  -4 × 4 = -16            

Putting it in equation 1, we get:

We get g'(10) = -\frac{1}{16}

5 0
3 years ago
1) A sound wave with a frequency of 300 hertz is traveling through a medium at a speed of 320 meters/second. What is its wavelen
timurjin [86]
1. The wavelength is the ratio of the wave's speed to its frequency in hertz or 1/s. This is shown below,
                           λ = s / f = (320 m/s)  / (300 1/s) = 1.07 m
The wavelength is approximately 1.07 m.

2. The frequency is the ratio between speed and the wavelength,
                        f = (330 m/s) / 0.45 m = 733.33 hertz

 
5 0
3 years ago
Read 2 more answers
An installer has 84 strap hangers in the truck. On a job, 32 straps are used on water supply lines, 29 on return lines and 15 on
Rama09 [41]

Answer:

12 straps

Step-By-Step Explanation:

84 - 32 - 29 - 15 =

52 - 29 - 15 =

23 - 15 = 12

btw this is supposed to be in maths category

<em><u>If this helped, please consider picking this answer as the Brainliest Answer. Thank you!</u></em>

3 0
3 years ago
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