Longitudinal wave hope this is right :))))))))))
Answer:
Explanation:
Moment of Inertia about an axis passing through its center and Perpendicular to its Plane is given by
As all the mass is at radius therefore its moment of inertia is more than the moment of inertia about a axis parallel to the Plane
According to perpendicular axis theorem
and is same due to symmetry
thus
thus Perpendicular z axis will have more moment of inertia
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Answer:
The correct statements are D and E.
Explanation:
The fringe width is given by the following formula as :
Here,
is wavelength of light
D is distance between slit and the screen
d is slit width.
If the between these slits is decreased, the fringe width increases. As a result, the distance between the minima increases and also the distance between the maxima increases.
Answer:
(A) Impulse will be 1.116 kgm/sec
(B) Force will be equal to 1116 N
Explanation:
We have given mass of the basketball m = 0.120 kg
Initial speed of the ball
Final speed of the ball
(A) Impulse delivered by the ball is equal to the change in momentum
So impulse will be equal to
So impulse will be 1.116 kgm/sec
(B) Time is given for which force is exerted
We know that impulse is equal to
F = 1116 N