In the tetherball game, struck ball whirls around a pole. The vertical component of the tension balances the weight and the horizontal component of tension provides the centripetal force that points toward the center of the circle.
There are two forces acting on a tether ball as it is rotating in uniform circular motion. The force of tension acts along the rope while the weight acts in downward.
The ball will move in a circular motion due to centripetal force and the tether which keeps the ball linked to the pole pulling to the center. For centripetal force, the tether can be an actual object, like a chain, or it may be a force, like gravity that acts like a tether.
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water vapor that has condensed and covers the ground in the morning
The answer to this question is d because prejudices is not based on experience or reasons
Answer:
Explanation:
The problem is based on Doppler's effect , for which expression is as follows
n is apparent frequency , n₀ is original frequency , V is velocity of light , v₀ is velocity of observer and v_s is velocity of source , both coming towards each other.
Putting the values
n = 302 .