Answer:
Much of the energy released in catabolic reactions is captured in ATP for use in other reactions. When the phosphate is transfer
1 answer:
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Answer:
(a)
(b)
Explanation:
Given:
- density of hydraulic oil,
- radius of input piston,
- radius of output plunger,
- force to be supported,
(a)
<u><em>Condition:</em></u><em>The bottom surfaces of piston and plunger at the same level.</em>
According to Pascal's law the pressure of a fluid is exerted equally in all directions against the walls of its container.
Mathematically:
putting respective values
(b)
<u><em>Condition:</em></u><em>The bottom surface of the output plunger is 1.30 m above that of the input piston.</em>
Given:
Now,
The kinetic energy of the bullet is 20.4 kJ.
<u>Explanation:</u>
Kinetic energy of a bullet will be equal to the product of mass of the bullet with the square of velocity or speed of the bullet and then the half of that product value.
But here the mass of the bullet is not given, instead the weight of the bullet is given in terms of force. So from this, we have to first find the mass of the bullet.
We know that as per Newton's second law of motion, force is directly proportional to the product of mass and acceleration. So here the acceleration will be equal to the acceleration due to gravity as it is weight of the object.
So F = mg
0.10 N = m × 9.8
So ,the mass of the bullet is 0.0102 kg.
Now, we know the mass and velocity of the bullet is given as 2000 m/s.
So,
kinetic energy = × m × v²
kinetic energy = 0.5 × 0.0102 × 2000 × 2000 = 20.4 kJ
Thus, the kinetic energy of the bullet is 20.4 kJ.