A heavy ball of mass M is suspended from the ceiling of a car by alight string of mass m (m<<M). When the car is at rest, the speed of transverse waves in the string is 60 ms−1. When the car has acceleration, a the waves-speed increases to 60.5ms−1, the value of a, in terms of gravitational acceleration g, is closest to :
a.
b.
c.
d.
a.
b.
c.
d.
Question ID - 50054 | SaraNextGen Top Answer A heavy ball of mass M is suspended from the ceiling of a car by alight string of mass m (m<<M). When the car is at rest, the speed of transverse waves in the string is 60 ms−1. When the car has acceleration, a the waves-speed increases to 60.5ms−1, the value of a, in terms of gravitational acceleration g, is closest to :
a.
b.
c.
d.
A heavy ball of mass M is suspended from the ceiling of a car by alight string of mass m (m<<M). When the car is at rest, the speed of transverse waves in the string is 60 ms−1. When the car has acceleration, a the waves-speed increases to 60.5ms−1, the value of a, in terms of gravitational acceleration g, is closest to :
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a. |
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b. |
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|
c. |
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d. |
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1 Answer
127 votes
=
+
g2+a2+g2+g2
.127