MCQ
The acceleration of a moving body can be found from
- AArea under velocity-time graph
- BArea under distance-time graph
- ✓Slope of the velocity-time graph
- DSlope of distance-time graph
✓
Answer
Correct option: C.
Slope of the velocity-time graph
c
(c)Acceleration $a = \tan \theta $, where $\theta$ is the angle of tangent drawn on the graph with the time axis.
(c)Acceleration $a = \tan \theta $, where $\theta$ is the angle of tangent drawn on the graph with the time axis.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Two cells are connected in opposition as shown. Cell $\mathrm{E}_1$ is of $8 \mathrm{~V}$ emf and $2 \ \Omega$ internal resistance; the cell $E_2$ is of $2 \mathrm{~V}$ emf and $4\ \Omega$ internal resistance. The terminal potential difference of cell $\mathrm{E}_2$ is:
→The moment of inertia of a uniform cylinder of length $l$ and radius $R$ about its perpendicular bisector is $I$. What is the ratio $l/R$ such that the moment of inertia is minimum?
→What will be the acceleration of the system and tension in the rope connecting $5\,kg$ and $1\,kg$ :-
→A strip of copper and another of germanium are cooled from room temperature to $80\, K$. The resistance of
→Assertion : A proton and an alpha particle having the same kinetic energy are moving in circular paths in a uniform magnetic field. The radii of their circular paths will be equal.
→Reason : Any two charged particles having equal kinetic energies and entering a region of uniform magnetic field $\overrightarrow B $ in a direction perpendicular to $\overrightarrow B $, will describe circular trajectories of equal radii.
A simple pendulum is oscillating without damping. When the displacement of the bob is less than maximum, its acceleration vector $\vec a$ is correctly shown in
→A rope ladder with a length $l$ carrying a man with a mass $m$ at its end is attached to the basket of balloon with a mass $M.$ The entire system is in equilibrium in the air. As the man climbs up to the end of the ladder into the balloon, the balloon descends by a height $h.$ Then the potential energy of the man
→In a hydrogen atom the electron makes a transition from $( n +1)^{\text {th }}$ level to the $n ^{\text {th }}$ level. If $n>>1,$ the frequency of radiation emitted is proportional to
→A glass lens is placed in a medium in which it is found to behave like a glass plate. Refractive index of the medium will be
In a Resonance -Coulmn lab experiment to measure the velocity of sound, the first resonance is obtained at a length $l_1$ and the second resonance at a length $l_2$. Then-
→