Two sound waves W1 and W2, of the same wavelength interfere destructively at point P. The waves originate from two in phase spea
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Answer:
The work done is "2000 J".
Explanation:
The given values are:
Force,
F = 200 N
Mass,
m = 55 kg
Displacement,
d = 10 m
Now,
The work done will be:
⇒
On substituting the given values, we get
⇒
⇒
Answer:
The formula for escape velocity where:
G - Gravitational constant (9.81 etc.)
M - the mass of the object the escape should be made from
r - distance to the centre of that mass