A photocopy machine was sold at 12% discount with 13% VAT. If the customer paid Rs. 3,57,984 then find VAT amount and discount a
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Distance hour hand travel in 5 hours is 20.94 inches.
<h3>What is a diameter?</h3>- A diameter of a circle is any straight line segment that passes through the center of the circle and has endpoints on the circle in geometry.
- It is also known as the circle's longest chord.
- Both definitions apply to the diameter of a sphere.
To find the distance hour hand travel in 5 hours:
- Let's say the hour hand completed one full round around the clock.
- If this was the case, it would have been 2
×8 inches around.
- We know that the hour hand only traveled 5 hours around the clock rather than 12, thus our formula is 2
- Distance hour hand travel is 20.94 inches.
Therefore, the distance hour hand travel in 5 hours is 20.94 inches.
Know more diameter here:
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Answer:
The mass of the lamina is 1
Step-by-step explanation:
Let be a continuous density function of a lamina in the plane region D,then the mass of the lamina is given by:
.
From the question, the given density function is .
Again, the lamina occupies a rectangular region: D={(x, y) : 0 ≤ x ≤ 1, 0 ≤ y ≤ 1}.
The mass of the lamina can be found by evaluating the double integral:
.
Since D is a rectangular region, we can apply Fubini's Theorem to get:
.
Let the inner integral be: , then
.
The inner integral is evaluated using integration by parts.
Let , the partial derivative of u wrt y is
and
, integrating wrt y, we obtain
Recall the integration by parts formula:
This implies that:
We substitute the limits of integration and evaluate to get:
This implies that:
.
Or
.
We again apply integration by parts formula to get:
.
.
.
.
No unit is given, therefore the mass of the lamina is 1.