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stealth61 [152]
3 years ago
15

- How much force is needed to accelerate a 26 kg skier at 4 m/sec??

Physics
1 answer:
kondor19780726 [428]3 years ago
8 0

Answer:

<h2>104 N</h2>

Explanation:

The force acting on an object given it's mass and acceleration can be found by using the formula

force = mass × acceleration

From the question we have

force = 26 × 4

We have the final answer as

<h3>104 N</h3>

Hope this helps you

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Ok. PEMDAS tells us to take care of the square first. When we do that, the denominator becomes

(6.4)^2 x 10^12

= 40.96 x 10^12 .

Now it's just a matter of mashing out the fraction.

The 'mantissa' (the number part) is

6/40.96 = 0.1465

and the order of magnitude is

10^24 / 10^12 = 10^12 .

Put it all together and you've got

1.465 x 10^11 .
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3 years ago
Th answer and how to do it (please do it on paper and send a picture if you can )
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If series Rs = R1 + R2

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A series R-L-C circuit is connected to a 70.0 Hz ac source that has Vrms = 80.0 V . The circuit has a resistance of 80.0 Ω and a
Andreyy89

Answer:

62.7 VA

Explanation:

The apparent power (power supplied by the source) of an AC circuit is determined by

S = \frac{(Vrms)^2}{Z}

The impedance(Z) depends on the frequency, but in this case it is given to us that it is 102 ohms at this frequency.

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S = \frac{(80 V)^2}{102 \Omega} = 62.7 VA

3 0
3 years ago
Which type of fitness is not based on performance?
Aneli [31]
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4 0
3 years ago
ingrid kicks a football with an initial velocity of 12 m/s at an angle 45 relative to the ground. what is the horizontal compone
nydimaria [60]

Let's assume that the coordinate system is defined as positive in the first quadrant.

The system has its origin in the place where Ingrid kicks the football ball.

We have then that the horizontal component is given by:

x = 12cos (45)

Rewriting we have:

x = 12 ( \frac{\sqrt{2}}{2})\\x = 8.485281374

Rounding the obtained result we have:

x = 8.5 \frac{m}{s}

Answer:

The horizontal component of the initial velocity to the nearest tenth is:

x = 8.5 \frac{m}{s}

4 0
3 years ago
Read 2 more answers
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