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muminat
3 years ago
12

A cab driver heads south with a steady speed of V,22.0 m/s tor t 3.00 min, then makes a right turn and travels at v225.0 m/s for

t2-2.40 min, and then drives northwest at v 30.0 m/s for 1.00 min. For this 6.40-min trip, calculate the following. Assume +x is In the eastward direction
(a) total vector displacement (Enter the magnitude in n and the direction in degrees south of west.) direvlion o south of west
(b) average speed (in m/s) m/s
(c) average velocity (Enter the magnitude in m/s and the direction in degrees south of west.) rmagnitude direction Im/'s o south of west
Physics
1 answer:
Lorico [155]3 years ago
6 0
The answer is c it makes the most sense
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Gennadij [26K]

The power in horsepower is 40.1 hp

Explanation:

We start by calculating the work done by the airplane during the climb, which is equal to its change in gravitational potential energy:

W=(mg)\Delta h

where

mg = 11,000 N is the weight of the airplane

\Delta h = 1.6 km = 1600 m is the change in height

Substituting,

W=(11,000)(1600)=17.6\cdot 10^6 J

Now we can calculate the power delivered, which is given by

P=\frac{W}{t}

where

W=17.6\cdot 10^6 J is the work done

t=9.8 min \cdot 60 = 588 s is the time taken

Substituting,

P=\frac{17.6\cdot 10^6 J}{588}=2.99\cdot 10^4 W

Finally, we can convert the power into horsepower (hp), keeping in mind that

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Therefore,

P=\frac{2.99\cdot 10^4}{746}=40.1 hp

Learn more about power:

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3 years ago
What do earths system include
taurus [48]

<em>Answer:</em>

<em>The Atmosphere.</em>

<em>Explanation:</em>

<em>The Atmosphere contains all of the planets air, And without air we can't breathe so I think this would be a good answer for you to choose, have a nice day</em>

6 0
4 years ago
Witch sentence states Newton third law
Dominik [7]

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Physics helps alot lol

7 0
3 years ago
Help me please this is for physics
Yuri [45]
<h2>Hello there! :)</h2>

It's a pleasure to be helping you today with your<u> physics question!</u>

Answer:

23.1m/s

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We want to find the initial speed of the ball.

To do this, we have to apply the formula for the time of flight of a projectile:

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Therefore, substituting the given values into the formula, we have that:

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⇒ 2 ×_{v0} ×0.8910= 9.8 × 4.2

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\boxed{{v0} =23.1m/s}

That is the initial speed of the ball.

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

<em>Good Luck with your Assignment!</em>

3 0
2 years ago
PLEASE HELP!!!!!!!
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