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Ugo [173]
3 years ago
12

HELP QUICK: A pilot performs a vertical maneuver around a circle with a radius R. When the

Physics
1 answer:
DanielleElmas [232]3 years ago
5 0

Answer:

dswdkwqdtlwaFwa

Explanation:

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What is the average power output (in W) of a heart defibrillator that dissipates 435 J of energy in 10.5 ms?
Yuki888 [10]

Answer:

The  power is   P  =  41429 \  W

Explanation:

From the question we are told that

   The  energy is  E =  435  \  J

    The time taken is  t =  10.5 \  ms  =  10.5 *10^{-3} \  s

Generally the the average power is  mathematically represented as

       P  =  \frac{E}{t}

=>    P  =  \frac{ 435}{ 10.5*10^{-3}}

=>     P  =  41429 \  W

7 0
3 years ago
In which situation is no work considered to be done by a force?
Ber [7]

Answer:

O B. when the angle between the force and displacement is 90°

Explanation:

<h3>work defined as   w = f cos Ф * d. </h3><h3>work  can only be done if object moves(displacement) in the direction of force. now a quick one. if you since the varrious angles into the cosine, you would see that Cos 90 will give zero which implies that no work is done. Again, angle means it is perpendicular and so it is not in the direction of force.</h3>
7 0
3 years ago
(PLEASE HELP THANK YOU) A car is going 8 meters per second on an access road into a highway and then accelerates at 1.8 meters p
jonny [76]

Answer:

20.96 m/s

Explanation:

Apply the kinematic equation:

Vf=Vi+at

Vi=8m/s

a=1.8m/s^2

t=7.2s

Putting this all in should give you your answer of 12.96m/s

6 0
3 years ago
Which of the following is an example of an acceptable time to ignore the rules and etiquette of a sport?
Helga [31]

Answer:

D-it's never acceptable to ignore rules and etiquette

Explanation:

4 0
2 years ago
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5. The boiling point of mercury is lower than<br> that of alcohol.
aniked [119]

Answer:

I thinl it is I'm not sure though

3 0
3 years ago
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