According to Newtons second law of motion, which is equal to the acceleration of an object?A: net force + massB: net force x mas
2 answers:
Answer:
The acceleration of an object is equal to the net force divided by the mass of the object.
(D) is correct option.
Explanation:
According to Newton's second law of motion
The net force is equal to the product of the mass of the object and the acceleration of the object.
In mathematically terms,
The acceleration is
Where, a = acceleration
F = net force
m = mass
Hence, The acceleration of an object is equal to the net force divided by the mass of the object.
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Answer:
mass of the neutron star =3.45185×10^26 Kg
Explanation:
When the neutron star rotates rapidly, a material on its surface to remain in place, the magnitude of the gravitational acceleration on the central material must be equal to magnitude of the centripetal acc. of the rotating star.
That is
M_ns = mass odf the netron star.
G= gravitational constant = 6.67×10^{-11}
R= radius of the star = 18×10^3 m
ω = 10 rev/sec = 20π rads/sec
therefore,
= 3.45185... E26 Kg
= 3.45185×10^26 Kg
Answer:
1.24 m/s
Explanation:
Metric unit conversion:
9.25 mm = 0.00925 m
5 mm = 0.005 m
The volume rate that flow through the single pipe is
This volume rate should be constant and divided into the 4 narrower pipes, each of them would have a volume rate of
So the flow speed of each of the narrower pipe is: