It has a flexible vertibrae which allows it to move faster and fit into places . Plus it also allows it to get its prey easier
Answer:
755 x 10⁻⁷ m
Explanation:
D = distance of screen
=2. m
d is width of slit = ?
wave length λ = 566 nm
Width of central maxima = 2 λD /d
= 3.00 x 10⁻² =2 λD /d

= 754.67 x 10⁻⁷ m .
= 755x 10⁻⁷ m
The answer is cesium oxide
Answer:

Explanation:
The speed of the 0.5 kg block just before the collision is found by the Principle of Energy Conservation:





Knowing that collision is inelastic, the speed just after the collision is determined with the help of the Principle of Momentum Conservation:


Lastly, the height reached by the two blocks is:





The work done by gas is 0.753 J and change in internal energy is 4.247J
So we are given that mass is 2kg , radius 1 cm and the amount of heat is 5 cm
The piston raised by 2.4cm
As we know that Work done is PΔV
Where ΔV is change in volume
Therefore ΔV = πr^2 h = π x (.01)^2 x .024 =7.53×10^(-6)m^3
Here pressure is 10^5 pa
So W = 
Therefore W = 0.753 J
Now coming to change in internal energy
Change in Internal Energy = Heat Added - Energy lost in work
∴ 5J - 0.753 J = 4.247J
Hence the change in internal energy is 4.247 J
Learn more about Work done here
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