Instantaneous Velocity and Instantaneous Speed
PHXI03:MOTION IN A STRAIGHT LINE

362254 The displacement time graphs of two moving particles make angles of \(30^\circ \) and \(45^\circ \) with the \(X\)-axis. The ratio of their velocities is

1 \(\sqrt 3 :2\)
2 \(1:1\)
3 \(1:2\)
4 \(1:\sqrt 3 \)
PHXI03:MOTION IN A STRAIGHT LINE

362255 The displacement-time graphs of two particles \(A\) and \(B\) are straight lines making angles of \(30^\circ \,{\rm{and}}\,45^\circ \) respectively with the time axis. If the velocity of \(A\) is \({v_A}\) and that of \(B\) is \({v_B}\). The value of \({v_A}/{v_B}\) is

1 \(1/2\)
2 \(1/\sqrt 3 \)
3 \(\sqrt 3 \)
4 \(1/3\)
PHXI03:MOTION IN A STRAIGHT LINE

362256 The displacement of a body along \(x\)-axis depends on time as \(\sqrt x = t + 1.\) Then the velocity of body

1 Decreases with time
2 Independent of time
3 Increases with time
4 None of these
PHXI03:MOTION IN A STRAIGHT LINE

362257 The displacement \(y\) (in metre) of a body varies with time \(t\) (in second) as \(y = - \frac{2}{3}{t^2} + 16t + 2\). How long does the body take to come to rest?

1 \(8\,s\)
2 \(10\,s\)
3 \(12\,s\)
4 \(16\,s\)
PHXI03:MOTION IN A STRAIGHT LINE

362258 The distance travelled by a particle is related to time \(t\) as \(x=4 t^{2}\) The velocity of the particle at \(t=5 s\) is

1 \(20\;m{s^{ - 1}}\)
2 \(25\;m{s^{ - 1}}\)
3 \(8\;m{s^{ - 1}}\)
4 \(40\;m{s^{ - 1}}\)
PHXI03:MOTION IN A STRAIGHT LINE

362254 The displacement time graphs of two moving particles make angles of \(30^\circ \) and \(45^\circ \) with the \(X\)-axis. The ratio of their velocities is

1 \(\sqrt 3 :2\)
2 \(1:1\)
3 \(1:2\)
4 \(1:\sqrt 3 \)
PHXI03:MOTION IN A STRAIGHT LINE

362255 The displacement-time graphs of two particles \(A\) and \(B\) are straight lines making angles of \(30^\circ \,{\rm{and}}\,45^\circ \) respectively with the time axis. If the velocity of \(A\) is \({v_A}\) and that of \(B\) is \({v_B}\). The value of \({v_A}/{v_B}\) is

1 \(1/2\)
2 \(1/\sqrt 3 \)
3 \(\sqrt 3 \)
4 \(1/3\)
PHXI03:MOTION IN A STRAIGHT LINE

362256 The displacement of a body along \(x\)-axis depends on time as \(\sqrt x = t + 1.\) Then the velocity of body

1 Decreases with time
2 Independent of time
3 Increases with time
4 None of these
PHXI03:MOTION IN A STRAIGHT LINE

362257 The displacement \(y\) (in metre) of a body varies with time \(t\) (in second) as \(y = - \frac{2}{3}{t^2} + 16t + 2\). How long does the body take to come to rest?

1 \(8\,s\)
2 \(10\,s\)
3 \(12\,s\)
4 \(16\,s\)
PHXI03:MOTION IN A STRAIGHT LINE

362258 The distance travelled by a particle is related to time \(t\) as \(x=4 t^{2}\) The velocity of the particle at \(t=5 s\) is

1 \(20\;m{s^{ - 1}}\)
2 \(25\;m{s^{ - 1}}\)
3 \(8\;m{s^{ - 1}}\)
4 \(40\;m{s^{ - 1}}\)
PHXI03:MOTION IN A STRAIGHT LINE

362254 The displacement time graphs of two moving particles make angles of \(30^\circ \) and \(45^\circ \) with the \(X\)-axis. The ratio of their velocities is

1 \(\sqrt 3 :2\)
2 \(1:1\)
3 \(1:2\)
4 \(1:\sqrt 3 \)
PHXI03:MOTION IN A STRAIGHT LINE

362255 The displacement-time graphs of two particles \(A\) and \(B\) are straight lines making angles of \(30^\circ \,{\rm{and}}\,45^\circ \) respectively with the time axis. If the velocity of \(A\) is \({v_A}\) and that of \(B\) is \({v_B}\). The value of \({v_A}/{v_B}\) is

1 \(1/2\)
2 \(1/\sqrt 3 \)
3 \(\sqrt 3 \)
4 \(1/3\)
PHXI03:MOTION IN A STRAIGHT LINE

362256 The displacement of a body along \(x\)-axis depends on time as \(\sqrt x = t + 1.\) Then the velocity of body

1 Decreases with time
2 Independent of time
3 Increases with time
4 None of these
PHXI03:MOTION IN A STRAIGHT LINE

362257 The displacement \(y\) (in metre) of a body varies with time \(t\) (in second) as \(y = - \frac{2}{3}{t^2} + 16t + 2\). How long does the body take to come to rest?

1 \(8\,s\)
2 \(10\,s\)
3 \(12\,s\)
4 \(16\,s\)
PHXI03:MOTION IN A STRAIGHT LINE

362258 The distance travelled by a particle is related to time \(t\) as \(x=4 t^{2}\) The velocity of the particle at \(t=5 s\) is

1 \(20\;m{s^{ - 1}}\)
2 \(25\;m{s^{ - 1}}\)
3 \(8\;m{s^{ - 1}}\)
4 \(40\;m{s^{ - 1}}\)
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
PHXI03:MOTION IN A STRAIGHT LINE

362254 The displacement time graphs of two moving particles make angles of \(30^\circ \) and \(45^\circ \) with the \(X\)-axis. The ratio of their velocities is

1 \(\sqrt 3 :2\)
2 \(1:1\)
3 \(1:2\)
4 \(1:\sqrt 3 \)
PHXI03:MOTION IN A STRAIGHT LINE

362255 The displacement-time graphs of two particles \(A\) and \(B\) are straight lines making angles of \(30^\circ \,{\rm{and}}\,45^\circ \) respectively with the time axis. If the velocity of \(A\) is \({v_A}\) and that of \(B\) is \({v_B}\). The value of \({v_A}/{v_B}\) is

1 \(1/2\)
2 \(1/\sqrt 3 \)
3 \(\sqrt 3 \)
4 \(1/3\)
PHXI03:MOTION IN A STRAIGHT LINE

362256 The displacement of a body along \(x\)-axis depends on time as \(\sqrt x = t + 1.\) Then the velocity of body

1 Decreases with time
2 Independent of time
3 Increases with time
4 None of these
PHXI03:MOTION IN A STRAIGHT LINE

362257 The displacement \(y\) (in metre) of a body varies with time \(t\) (in second) as \(y = - \frac{2}{3}{t^2} + 16t + 2\). How long does the body take to come to rest?

1 \(8\,s\)
2 \(10\,s\)
3 \(12\,s\)
4 \(16\,s\)
PHXI03:MOTION IN A STRAIGHT LINE

362258 The distance travelled by a particle is related to time \(t\) as \(x=4 t^{2}\) The velocity of the particle at \(t=5 s\) is

1 \(20\;m{s^{ - 1}}\)
2 \(25\;m{s^{ - 1}}\)
3 \(8\;m{s^{ - 1}}\)
4 \(40\;m{s^{ - 1}}\)
PHXI03:MOTION IN A STRAIGHT LINE

362254 The displacement time graphs of two moving particles make angles of \(30^\circ \) and \(45^\circ \) with the \(X\)-axis. The ratio of their velocities is

1 \(\sqrt 3 :2\)
2 \(1:1\)
3 \(1:2\)
4 \(1:\sqrt 3 \)
PHXI03:MOTION IN A STRAIGHT LINE

362255 The displacement-time graphs of two particles \(A\) and \(B\) are straight lines making angles of \(30^\circ \,{\rm{and}}\,45^\circ \) respectively with the time axis. If the velocity of \(A\) is \({v_A}\) and that of \(B\) is \({v_B}\). The value of \({v_A}/{v_B}\) is

1 \(1/2\)
2 \(1/\sqrt 3 \)
3 \(\sqrt 3 \)
4 \(1/3\)
PHXI03:MOTION IN A STRAIGHT LINE

362256 The displacement of a body along \(x\)-axis depends on time as \(\sqrt x = t + 1.\) Then the velocity of body

1 Decreases with time
2 Independent of time
3 Increases with time
4 None of these
PHXI03:MOTION IN A STRAIGHT LINE

362257 The displacement \(y\) (in metre) of a body varies with time \(t\) (in second) as \(y = - \frac{2}{3}{t^2} + 16t + 2\). How long does the body take to come to rest?

1 \(8\,s\)
2 \(10\,s\)
3 \(12\,s\)
4 \(16\,s\)
PHXI03:MOTION IN A STRAIGHT LINE

362258 The distance travelled by a particle is related to time \(t\) as \(x=4 t^{2}\) The velocity of the particle at \(t=5 s\) is

1 \(20\;m{s^{ - 1}}\)
2 \(25\;m{s^{ - 1}}\)
3 \(8\;m{s^{ - 1}}\)
4 \(40\;m{s^{ - 1}}\)