Mark the correct statements for a particle going on a straight line :
(a) If the velocity and ac... VIDEO
Mark the correct statements for a particle going on a straight line :
(a) If the velocity and acceleration have opposite sign, the object is slowing down.
(b) If the position and velocity have opposite sign, the particle is moving towards the origin.
(c) If the velocity is zero at an instant, the acceleration should also be zero at that instant.
(d) If the velocity is zero for a time interval, the acceleration is zero at any instant within the time interval.
📲PW App Link - https://bit.ly/YTAI_PWAP
🌐PW Website - https://www.pw.live
Other Videos By PW Solutions 2022-10-27 On increasing the temperature of a conductor, its resistance increases because the
[Kerala PMT 2... 2022-10-27 A solid sphere of mass \( m \) is released from rest from the rim of a hemispherical cup so that... 2022-10-27 The area of cross section of the wider tube shown in figure \( (13-\mathrm{E} 2) \) is \( 900 \m... 2022-10-27 A table with smooth horizontal surface is fixed in a cabin that rotates with a uniform angular v... 2022-10-27 A small disc is set rolling with a speed \( v \) on the horizontal part of the track of the prev... 2022-10-27 A sphere starts rolling down an incline of inclination \( \theta \). Find the speed of its centr... 2022-10-27 Consider the situation of the previous question from a frame moving with a speed \( v_{0} \) par... 2022-10-27 Suppose a quantity \( x \) can be dimensionally represented in terms of \( M, L \) and \( T \), ... 2022-10-27 Draw a graph from the following data. Draw tangents at \( x=2,4,6 \) and 8 . Find the slopes of ... 2022-10-27 A book is lifted from the floor and is kept in an almirah. One person says that the potential en... 2022-10-27 Mark the correct statements for a particle going on a straight line :
(a) If the velocity and ac... 2022-10-27 Choose the correct statement(s):
(a) A dimensionally correct equation may be correct.
(b) A dime... 2022-10-27 The surface tension of water is \( 72 \mathrm{dyne} / \mathrm{cm} \). Convert it in SI unit. 2022-10-27 The dimensions \( \mathbf{M L}^{-1} \mathrm{~T}^{-2} \) may correspond to
(a) work done by a for... 2022-10-27 \[
\int \frac{d x}{\sqrt{2 a x-x^{2}}}=a^{n} \sin ^{-1}\left[\frac{x}{a}-1\right]
\]
The value o... 2022-10-27 A unitless quantity
(a) never has a nonzero dimension,
(b) always has a nonzero dimension,
(c) m... 2022-10-27 A physical quantity is measured and the result is expressed as \( n u \) where \( u \) is the un... 2022-10-27 A dimensionless quantity
(a) never has a unit,
(b) always has a unit,
(c) may have a unit,
(d) d... 2022-10-27 Which of the following sets cannot enter into the list of fundamental quantities in any system o... 2022-10-27 Two full turns of the circular scale of a screw gauge cover a distance of \( 1 \mathrm{~mm} \) o... 2022-10-27 Two particles are in SHM with a frequency of \( 25 \mathrm{~Hz} \) and amplitude of \( 0.02 \mat...