Give two ways of reversing the direction of the forces on the coil in the electric motor?
1 answer:
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Answer:
The number of people at game are approximately 22909
Explanation:
Given data
When one person shout
When n number of person shout together
The sound intensity level during one person shout is given by:
The sound intensity level during n number of person shout is given by:
Since each person generates same sound intensity and hence total number of persons can be determined as
Hence
The number of people at game are approximately 22909
Answer:
Explanation:
It is given that,
The coordinates of a particle in the metric xy-plane are differentiable functions of time t are given by :
Let D is the distance from the origin. It is given by :
Differentiate above equation wrt t as:
.............(1)
The points are given as, (12,5). Calculating D from these points as :
Put all values in equation (1) as :
So, the particle is moving away from the origin at the rate of 7.076 m/s. Hence, this is the required solution.