Figure 3.21 shows the x-t plot of one-dimensional 4 motion of a particle. Is it correct to say from the graph that the particle moves in a straight line for t< 0 and on a parabolic path for t >0 ? If not, suggest a suitable physical context for this graph.

Figure shows the position-time graph of a particle of mass 4 kg. What is the:-force on the particle for t 4 s, 0

The fig shows the position the position- time graph of a particle of mass 4 kg. What is the Force on the particle for t 4s, impulse 0 < t < 4 s ?

Figure 3.24 gives the x-t plot of a particle in one-dimensional motion. Three different equal intervals of time are shown. In which interval is the average speed greatest, and in which is it the least ? Give the sign of average velocity for each interval.

Figure shows the position-time graph of a particle of mass 4 kg. What is the:- mpulse at t = 0 and t = 4 s ? (Consider one-dimensional motion only).

Figure 3.23 gives the x-t plot of a particle executing one-dimensional simple harmonic motion. (You will learn about this motion in more detail in Cliapterl4). Give the signs of position, velocity and acceleration variables of the particle at t = 0.3 s, 1.2 s, - 1.2 s.

The fig shows the position the position- time graph of a particle of mass 4 kg. What is the Impulse at t = 0 and t = 4 s : (consider one-dimensional motion only).

In the figure gives the (x-t) plot of a particle executign one-dimensional simple harmonic motion. Give the signs of position, velocity and acceleration variables of the particle at t = 0.3 s, 1.2 s, - 1.2 s.

The velocity-time graph of particle in one dimensional motion is shown in the fig. Which if the following formulae are correct for describing the motion of the pawrticle over the time interval t_1 to t_2 v(t_2) = v(t_1) + a(t_2 - t_2) , v_(average) = ([x(t_2) - x(t_1)])/((t_2 - t_1)) , x(t_2) - x(t_1) = area under the v - t curve. bounded by the t-axis and the dotted line shown.

The velocity-time graph of a particle in one-dimensional motion is shown in Fig. 3.29 :- Which of the following formulae are correct for describing the motion of the particle over the time-interval:- x(t_2)-x(t_1) area under the v-t curve bounded by the t-axis and the dotted line shown.

A particle is moving in a straight line such that its displacement s at an instant of time t is given by the relation s = 3t^2 + 4 t + 5 Find the initial velocity of the particle.