Can you please elaborate on this question? I'm unable to visualize what has been told.

Mathematics

1 answer:

lukranit [14]2 years ago

4 0

Answer:

See below

Step-by-step explanation:

See the attached image. My calculation seems a bit off from what I expected, but the reasoning might help.

The paper is trailing the dropped object and a mark is made every 0.020 seconds. By measuring the difference between the dots and dividing by the time, we can calculate the average speed at the the final 2 locations. The difference in these speeds is due to acceleration, as shown in the calculation.

My result wasn't what is considered correct for Earth's acceleration of gravity, but I offer possible explanations. Please check my calculations.

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A circle with radius of 1 cm sits inside a 3 cm x 4 cm rectangle.

White raven [17]

The area of shaded-region is 8.86 cm^2

Step-by-step explanation:

We can see that there is a circle and a triangle in the given figure

In order too find the area of shaded region, we have to find the area of rectangle and circle first. The area of the shaded region will be obtained by subtracting the area of circle from the area of rectangle.

So,

Area of circle:

Radius = r = 1 cm

So,

$A_c = \pi r^2\\= 3.14 * (1)^2\\= 3.14*1\\= 3.14\ cm^2$