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Contact [7]
2 years ago
12

Q13. An electric bulb draws a current of 0.8A and works on 250V on the average 8 hours a day, if energy costs Rs 3 per kWh. Calc

ulate monthly bill for 30 days.
Physics
1 answer:
olga_2 [115]2 years ago
7 0
Using p=v * i
p=250 * 0.8=200w = 0.2kw
power consumed in a day=0.2 *8=1.6 kwh
for one month=1.6 * 30 =48kwh
monthly bills= 48 *3 = Rs 144
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kykrilka [37]
Car with a mass of 1210 kg moving at a velocity of 51 m/s.
2. What velocity must a 1340 kg car have in order to have the same momentum as a 2680 kg truck traveling at a velocity of 15 m/s to the west? 3.0 X 10^1 m/s to the west.

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Have a good day :)

 
6 0
2 years ago
A person driving a car applies the brakes. This produces friction, which stops the car. Into which type of energy is the mechani
Makovka662 [10]

D) Heat, because friction produces heat, not light, gravitational or chemical. hope this helps! : )

7 0
2 years ago
Read 2 more answers
How can promoting total person development can benefit an organization.
Alex787 [66]

Promoting total person development can benefit an organization in the following way

Explanation:

1.Promoting  personal development in the workplace

  • All images courtesy of Forbes Councils members.
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2. Create a development plan. Help your employees establish goals that are aligned with their strengths, interest and experience, as well as with the overall business strategy. Establish goals and expectations to help them set their sights on career opportunities.

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5 0
2 years ago
Read 2 more answers
A student bikes to school by traveling first dN = 1.00 miles north, then dW = 0.600 miles west, and finally dS = 0.200 miles sou
kompoz [17]
Refer to the diagram shown below.

Define unit vectors along the x and y axes as respectively \hat{i} \, and \, \hat{j}.

Then the three successive displacements, written in component form, are respectively
\vec{dN} = 1.0 \, \hat{j} \\
\vec{dW} = -0.6 \, \hat{i} \\  \vec{dS} = -0.2 \, \hat{j}

The total displacement for the first leg of the trip is
\vec{d} = \vec{dN} + \vec{dW} + \vec{dS} \\ \vec{d}= 1.0\hat{j}-0.6\hat{i}-0.2\hat{j} \\ \vec{d}=-0.6\hat{i}+0.8\hat{j}

Answer:
\vec{d} = -0.6\hat{i}+0.8\hat{j}   or  (-0.6, 0.8)


6 0
2 years ago
The two hot-air balloons in the drawing are 48.2m and 61.0 m above the ground.A person in the left balloon observes that the rig
mafiozo [28]

Answer:

The horizontal distance x between the two balloons is 54.15 m

Explanation:

The diagram described as obtained online is presented in the image attached to this solution.

Let the horizontal distance between the two balloons be x

Difference in height (vertical distance) between the two balloons = 61 - 48.2 = 12.8 m

Using trigonometric relations, it is evident that

Tan 13.3° = 12.8/x

x = 12.8/tan 13.3° = 12.8/0.2364 = 54.15 m

4 0
2 years ago
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