A 5.0 kg rock is dropped from the top of a building. The speed of the rock after it has fallen for 2.2 seconds is?
1 answer:
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Answer:
The height of the image will be "1.16 mm".
Explanation:
The given values are:
Object distance, u = 25 cm
Focal distance, f = 1.8 cm
On applying the lens formula, we get
⇒
On putting estimate values, we get
⇒
⇒
⇒
As a result, the image would be established mostly on right side and would be true even though v is positive.
By magnification,
and
⇒
⇒
⇒
Answer:
Explanation:
From the question we are told that
Mass
Height
Generally the equation for velocity before impact is is is mathematically given by
Generally the equation for Kinetic Energy is is mathematically given by