10.0 force to get 2000j to move a box in 8s.
In the early 19th century Jean-Baptiste Lamarck (1744 – 1829) proposed his theory of the transmutation of species, the first fully formed theory of evolution. In 1858 Charles Darwin andAlfred Russel Wallace published a new evolutionary theory, explained in detail in Darwin's On the Origin of Species (1859).
Answer:
Explanation:
Given
--- Wavelength
--- Period
Required
Determine the velocity of the wave
This is calculated using:
<em>Hence, the velocity is 0.25m/s</em>
Answer is A) Fulcrum
The fixed point that a lever rotates around is called the fulcrum.
Answer:
Explanation:
Given
mass
(inclination)=
Let T be the tension in the rope
From Diagram
-----------------1
where
For block
-----------2
From 1 & 2