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Zanzabum
3 years ago
13

Which two options are examples of waves refracting?

Physics
1 answer:
LUCKY_DIMON [66]3 years ago
3 0
A and b!
hope this helps!
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A 240-volt, 2-amp motor is connected to a three-wire, 120/240-volt system. Connected between the black wire and neutral are four
pantera1 [17]

Answer:

(i)The current flow in black wire = 9.67 A (ii) The current low in the red wire is 9.68 A (iii) The current flow in neutral wire is  15.36 A (iv) when 240 volt were disconnected current  in black wire is 7.68 A (v) when 240 volt were disconnected current in red wire is 7.68 A (vi) 15.36 A (vii) 6.34 (viii) 9.68 A (ix) 12.02 A

Explanation:

Solution

The current drawn by one amp is

I =P/V

I =200/120

I= 1.67 A

(i) The current flow in the black wire  is

IBK = 4 * 1.67 A + 1A + 2A

IBK = 9.67 A

(ii) Current flow in the red wire is

IRD = 3 * 1.67 A + 1.67 A + 1A + 2A

= 8.68A + 1 A = 9.68 A

Note: Kindly find an attached copy of part of the solution to the given question above.

6 0
4 years ago
In a generator, mechanical energy is converted into which of the following?
Serggg [28]

In a generator, mechanical energy is converted electrical energy. The answer is letter D. the mechanical energy in the generator produces energy by making the machines work and then transmitting this into the power lines of commercial industries, communities and others.

8 0
4 years ago
Read 2 more answers
At what point does the ball have the most gravitational potential energy?
nevsk [136]
Point C. at this point, which is the highest point, all of the ball’s energy is gravitational potential energy.
3 0
3 years ago
You need to calculate the volume of berm that has a starting cross-sectional area of 118 SF, and an ending cross-sectional area
LekaFEV [45]
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8 0
3 years ago
If T, = 40 N, find T, and the mass of the weight (W).
seraphim [82]

Answer:4kg

Explanation:

acceleration due to gravity(g)=10m/s^2

Weight(w)=40N

Weight=mass x g

40=mass x 10

Divide both sides by 10

Mass =40/10

Mass=4kg

5 0
4 years ago
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