2 Calculate the distance from a srtaight wire where the magnetuc field is 0.66 T. the current in the wire is 4A and K = 2 x 10^-
1 answer:
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Answer:
Frequency change by a factor of 2.
(b) is correct option.
Explanation:
Given that,
Mass = 16 kg
Replaced mass = 4 kg
We need to calculate the frequency
Using formula of frequency
Put the value into the formula
....(I)
...(II)
Hence, Frequency change by a factor of 2.
By definition, the kinetic energy is given by:
Where,
m: mass
v: speed
Clearing the speed we have:
Substituting values:
Answer:
The jogger's velocity is:
v = 4.44 m / s
Where,
m: mass
v: speed
Clearing the speed we have:
Substituting values:
Answer:
The jogger's velocity is:
v = 4.44 m / s