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HACTEHA [7]
3 years ago
6

Orion *

Physics
1 answer:
nata0808 [166]3 years ago
8 0
The answer is a) the hunter
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A lightbulb converts 10 percent of the electric energy it uses into radiant energy
katrin [286]
The rest of it is used up as unwanted energy or wasted energy in forms of:
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3 years ago
What is the diameter of a circle
aalyn [17]
A diameter is a straight line that begins at one end of the circle and ends at the opposite end. The condition for a line to be a diameter is that it must pass through the centre of the circle. If a line that touches two points on the circle, does not pass from the centre of the circle, it cannot be called a diameter.
The length of the diameter is the measurement of the line that connects the two points of the circle. 
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4 years ago
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2. A 5 year old child pushes with a force of 5 N to get a sumo wrestler to move, but the
Svetllana [295]

formula= W=f*d

w=work done

f=force

d=distance

w=f*d

w= 5n*0(does not budge)means does not move so distance is zero

w=5J

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6 0
3 years ago
A tall cylinder contains 25 cm of water. Oil is carefully poured into the cylinder, where it floats on top of the water, until t
Fed [463]

Answer: 377.3\ kPa

Explanation:

Given

Water column height h=25\ cm

After oil is poured, the total height becomes h'=40\ cm

Pressure at the bottom will be the sum due to the water and oil column

Suppose the density of the oil is \rho=900\ kg/m^3

Pressure at the bottom

\Rightarrow P=10^3\times g\times 25+900\times g\times 15\\\Rightarrow P=100g[250+135]\\\Rightarrow P=3773\times 100\ Pa\\\Rightarrow P=377.3\ kPa

4 0
3 years ago
A switch in an electric circuit controls the flow of electrons in the circuit.
Delvig [45]

Answer:

when you switch off an electrical curcuit you tend to create a 'break' in the curcuit,preventing the electric current to flow around the curcuit,this can be caused by a simple switch or 'break'

Explanation:

7 0
3 years ago
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