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olga nikolaevna [1]
3 years ago
6

How much power do you have if you do 3200 j of work in 18 seconds?

Physics
2 answers:
Vesnalui [34]3 years ago
7 0

P = W/t

P = 3,200/18

P = 177.78 (<em>rounded</em>)

Alexeev081 [22]3 years ago
3 0
You would177watts in 18 seconds bc the maths hows it
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An office heater puts out 2050 btus of energy in the form of heat per hour. given that 1 btus =1.055 kj, how many megajoules of
ivolga24 [154]
<span>Assuming continuous operation (24/7), we can say that

Energy produced : Energy per hour * 24 (number of hours in a day) - 365 (number of days in a year.

Energy per hour: 2050 * 1.055 = 2162.75 kg.

So, we proceed to calculate the results

E: 2162.75 * 24 * 365 = 18,945,690 kj per year.

Now, we transform kj to megajoule, remembering that kilo is 10*3 and mega is 1'*6, so we divide the result by 1,000 in order to get the results in megajoules, and the answer would be:

18,945.69 megajoules can be produced per year.</span>
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3 years ago
How can heat be transferred across empty space?
yawa3891 [41]
The answer is: Heat can<span> be </span>transmitted<span> though </span>empty space<span> by thermal radiation. Thermal radiation (often called infrared radiation) is a type electromagnetic radiation (or light). Radiation is a form of energy transport consisting of electromagnetic waves traveling at the speed of light.</span>
4 0
3 years ago
Read 2 more answers
A rowboat passenger uses an oar to push the boat off the dock by exerting a force of 60.0 N for 2.0s. What impulse acts on the b
NARA [144]
Impulse<span> is the change of momentum of an object when the object is acted upon by a force for an interval of time. It is simply calculated by the expression:
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Impulse = F(change in time)
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Hope this answers the question. Have a nice day.
6 0
3 years ago
During an auto accident, the vehicle's air bags deploy and slow down the passengers more gently than if they had hit the windshi
MArishka [77]

Answer:

0.3814128 m

Explanation:

t = Time taken = 36 ms

u = Initial velocity

v = Final velocity

s = Displacement

a = Acceleration = 60g

g = Acceleration due to gravity = 9.81 m/s²

v=u+at\\\Rightarrow u=v-at\\\Rightarrow u=0-(-9.81\times 60)\times 36\times 10^{-3}\\\Rightarrow u=21.1896\ m/s

v^2-u^2=2as\\\Rightarrow s=\dfrac{v^2-u^2}{2a}\\\Rightarrow s=\dfrac{0^2-21.1896^2}{2\times -9.81\times 60}\\\Rightarrow s=0.3814128\ m

The distance the person traveled is 0.3814128 m

4 0
3 years ago
In Millikan’s experiment, the oil droplets acquire one or more negative charges by combining with the negative charges that are
alina1380 [7]

Answer:

-9.6\cdot 10^{-19} C

Explanation:

The charge of a single electron is:

q=-1.60\cdot 10^{-19} C

If a droplet contains N electrons, then its charge would be:

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In this case, the droplet has

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electrons, so its total charge is

Q=(6)(-1.60\cdot 10^{-19}C)=-9.6\cdot 10^{-19} C

7 0
2 years ago
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