Answer:9m
Explanation:
Ball starts from rest . Time taken = 6 seconds. Distance travelled by ball. ∴Distance travelled = 9 m
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Answer:
26 electrons
A neutral iron atom contains 26 protons and 30 neutrons plus 26 electrons in four different shells around the nucleus. As with other transition metals, a variable number of electrons from iron's two outermost shells are available to combine with other elements
Explanation:
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Answer:
ecosystem B
Explanation:
because it goes through more animal's and is correct
Answer:
5.886 J
Explanation:
Given:
The mass of the book is,
kg
Height of lift is,
m
Acceleration due to gravity is,
m/s²
Now, gain in gravitational potential energy is a function of change in position and is given as:

Here,
is the change in gravitational potential energy.
Plug in 0.5 kg for
, 9.81 for
and 1.2 for
. Solve for 

Therefore, the gain in gravitational energy of the book is 5.886 J.