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yulyashka [42]
2 years ago
10

YALL HELP ME QUICK IN 10 MINS WITH WORKING OUT

Physics
2 answers:
svetlana [45]2 years ago
8 0

Answer:

bro I'm sorry I'm only in 7th grade

Romashka-Z-Leto [24]2 years ago
4 0
The top is kinda cut off but it says “weight =mg

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In the ENGR 10 lab (E391), there are 50 long light bulbs (P=100 W) and 30 regular bulbs (P=60 W). How much energy is consumed li
Alenkinab [10]

Answer:

Total energy saving will be 0.8 KWH

Explanation:

We have given there are 50 long light bulbs of power 100 W so total power of 50 bulb = 100×50 = 5000 W = 5 KW

30 bulbs are of power 60 W

So total power of 30 bulbs = 30×60 = 1800 W = 1.8 KW

Total power of 80 bulbs = 1.8+5 = 6.8 KW

Total time = 3 hour

We know that energy E=power\times time=6.8\times 3=20.4KWH

Now power of each CFL bulb = 25 W

So power of 80 bulbs = 80×25 = 2000 W = 2 KW

Energy of 80 bulbs = 2×3 = 6 KWH

So total energy saving = 6.8-6 = 0.8 KWH

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3 years ago
Hubble measured the velocity of the movement of galaxies by using
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Answer:

Hubble measured the velocity of the movement of galaxies by using Hubble's law states that galaxies located farthest from the center of the universe than those closest to the center.

Explanation:

Hubble's Law says that an object's velocity away from an observer is directly proportional to its distance from the observer. In other words, the farther away something is the faster it is moving away from us. The spectrum of a galaxy allows you to measure its redshift.

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3 years ago
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All objects within a closed system tend to move
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Explanation is in the file

tinyurl.com/wpazsebu

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What type of plate boundary is shown in this illustration?
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This is a transform Boundrary
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Ride in a car down the street: constant velocity,
come to a red light: negative acceleration,
 wait for the green light: zero velocity,
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