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3 years ago

10

What document details the type of medical care that you wish to receive if you become incapacitated due to a physical or mental

illness?

2 answers:

LenKa [72]3 years ago

7 0

The answer to your question is living will

Alja [10]3 years ago

6 0

The answer to your question is going to be living will.

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the answer is D

Explanation:

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3 years ago

What type of sound is produced when string vibrates rapidly?

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The faster a string vibrates, the higher frequency sound it produces,
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3 years ago

Someone please help me

professor190 [17]

The answer is A. conduction

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3 years ago

What is inside of a blackhole ?

horsena [70]

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4 years ago

A projectile is launched from ground level to the top of a cliff which is 195 m away and 155 m high. If the projectile lands on

muminat

Answer:

66.02m/s

Explanation:

the equation describing the distance covered in the horizontal direction is

$x=ucos\alpha t-(1/2)gt^{2}$ but the acceleration in the horizontal path is zero, hence we have

$x=ucos\alpha t$

Since the horizontal distance covered is 155m at 7.6secs, we have $ucos\alpha =\frac{155}{7.6} \\ucos\alpha =20.38.............equation 1$

Also from the vertical path, the distance covered is expressed as

$y=usin\alpha t-(1/2)gt^{2}$

since the horizontal distance covered in 7.6secs is 195m, then we have

$y=usin\alpha t-(1/2)gt^{2}\\y=7.6usin\alpha -4.9(7.6)^{2}\\478.02=7.6usin\alpha \\usin\alpha =62.9...........equation 2$

Hence if we divide both equation 1 and 2 we arrive at

$\frac{usin\alpha }{ucos\alpha } =\frac{62.9}{20.38} \\tan\alpha =3.08\\\alpha =tan^{-1}(3.08)\\\alpha =72.02^{0}\\$

Hence if we substitute the angle into the equation 1 we have

$ucos72.02=20.38\\u=66.02m/s$

Hence the initial velocity is 66.02m/s

3 0

4 years ago