A mass is tied to a string and rotated in a vertical circle, the minimum velocity of the body at...

Channel:
PW Solutions
Subscribers:
449,000
Published on ● Video Link: https://www.youtube.com/watch?v=SETLmUS-suU


Duration: 2:37
22 views
1

A mass is tied to a string and rotated in a vertical circle, the minimum velocity of the body at the top is
(a) \( \sqrt{\mathrm{gr}} \)
(b) \( g / r \)
(c) \( \left(\frac{\mathrm{g}}{\mathrm{r}}\right)^{3 / 2} \)
(d) \( \mathrm{gr} \)
📲PW App Link - https://bit.ly/YTAI_PWAP
🌐PW Website - https://www.pw.live



Other Videos By PW Solutions


2022-12-01The load versus elongation graph for four wires has been shown in the figure. The thinest wire i...
2022-12-01Two capacitors when connected in series have a capacitance of \( 3 \mu \mathrm{F} \), and when c...
2022-12-01A thin, metallic spherical shell contains a charge \( Q \) on it. A point charge \( \mathrm{q} \...
2022-12-01In uniform circular motion, the velocity vector and acceleration vector are (a) perpendicular to...
2022-12-01The mass number of \( \mathrm{He} \) is 4 and that for sulphur is 32 . The radius of sulphur nuc...
2022-12-01A charge \( q \) is moving with a velocity \( v \) parallel to a magnetic field \( B \). Force o...
2022-12-01A body having initial velocity of \( 10 \mathrm{~m} / \mathrm{s} \) moving on a rough surface co...
2022-12-01Two identical particles move towards each other with velocity \( 2 \mathrm{v} \) and \( \mathrm{...
2022-12-01Each of the resistance in the network shown is equal to R. The resistance between the terminals ...
2022-12-01The energy of hydrogen atom in the \( \mathrm{n}^{\text {th }} \) orbit is \( \mathrm{E}_{\mathr...
2022-12-01A mass is tied to a string and rotated in a vertical circle, the minimum velocity of the body at...
2022-12-01Which of the following statements is false for a particle moving in a circle with a constant ang...
2022-12-01What is the disintegration constant of radon, if the number of its atoms diminishes by \( 18 \% ...
2022-12-01A man projects a coin upwards from the gate of a uniformly moving train. The path of coin for th...
2022-12-01A monoatomic gas at \( 27^{\circ} \mathrm{C} \) is compressed adiabatically to \( \frac{8}{27} \...
2022-12-01For \( 100 \% \) modulation (AM), the useful part of the total power radiated is (a) \( \frac{1}...
2022-12-01Time required to boil 2 litres of water initially at \( 20^{\circ} \mathrm{C} \) by a heater coi...
2022-12-01Figure shows the \( \mathrm{v}-\mathrm{t} \) graph for two particles \( \mathrm{P} \) and \( \ma...
2022-12-01The physical quantity that does not have the dimensional formula \( \left[\mathrm{ML}^{-1} \math...
2022-12-01The rms value of a carrier voltage is 100 volts. Compute its rms value when it has been amplitud...
2022-12-01The maximum and minimum amplitude of an AM wave are \( 90 \mathrm{mV} \) and \( 30 \mathrm{mV} \...