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Rom4ik [11]
3 years ago
5

373698 on expanded num

Physics
2 answers:
Vladimir79 [104]3 years ago
5 0
300,000+70,000+3,000+600+90+8
Crazy boy [7]3 years ago
4 0
300000+70000+3000+600+90+8
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Is the matching correct?
iragen [17]

Yes thats right :)

have a great day!!!


7 0
3 years ago
Bill leaves his 60 W desk lamp on every day, including weekends, for eight hours. After one month (30 days), how much total ener
maxonik [38]

' W ' is the symbol for 'Watt' ... the unit of power equal to 1 joule/second.

That's all the physics we need to know to answer this question.
The rest is just arithmetic.

(60 joules/sec) · (30 days) · (8 hours/day) · (3600 sec/hour)

= (60 · 30 · 8 · 3600) (joule · day · hour · sec) / (sec · day · hour)

= 51,840,000 joules
__________________________________

Wait a minute !  Hold up !  Hee haw !  Whoa ! 
Excuse me.  That will never do.
I see they want the answer in units of kilowatt-hours (kWh).
In that case, it's

(60 watts) · (30 days) · (8 hours/day) · (1 kW/1,000 watts)

= (60 · 30 · 8 · 1 / 1,000) (watt · day · hour · kW / day · watt)

= 14.4 kW·hour

Rounded to the nearest whole number:

14 kWh

7 0
3 years ago
A force of 210 N is applied to an object and the object accelerates at 14m/s2. Determine the mass of the object in kg.
lisabon 2012 [21]

Answer:

15 kg

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F = m*a

F/a = m

210/14 = 15 kg

7 0
3 years ago
What are the characteristics of high energy wave lengths
Darya [45]
The characteristics of high energy wave length are:
- High Frequencies
- Short wave length
And in term of color, it will be located on the red spectrum.

3 0
3 years ago
Determine the direction of the effective value of g⃗ at a latitude of 45 ∘ North on the Earth.
Kitty [74]
To solve this, we simply use trigonometry
the effective value of g along the 45° angle is
g eff = g / sin 45
g eff = g / (√2 / 2)
g eff = 2g / √2
g eff = g √2 ≈ 6.94 m/s²
4 0
3 years ago
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