Acceleration
PHXI03:MOTION IN A STRAIGHT LINE

362176 Assertion :
A body can have acceleration even if its velocity is zero at a given instant of time.
Reason :
A body is momentarily at rest when it reverses its direction of motion.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
PHXI03:MOTION IN A STRAIGHT LINE

362177 Velocity versus displacement curve for ant, moving along a straight line, is given. The magnitude of acceleration of the ant at \({x=8 {~m}}\) is
supporting img

1 \({8 \sqrt{3} {~m} / {s}^{2}}\)
2 \({12 \sqrt{3} {~m} / {s}^{2}}\)
3 \({\dfrac{3}{2} m / s^{2}}\)
4 \({\sqrt{3} {~m} / {s}^{2}}\)
PHXI03:MOTION IN A STRAIGHT LINE

362179 The position of an object moving along \(X\)-axis is given by \(x(t) = a - b{t^2}\), where \(a = 8.5\,m,b = 2.5\,m{s^{ - 2}}\) and \(t\) is measured in seconds. For the above situation, match the column I with column II .
Column I
Column II
A
Velocity of object at \(t = 2.0\,s\)
P
\( - 15\,m{s^{ - 1}}\)
B
Velocity of object at \(t = 0\,s\)
Q
\( - 10\,m{s^{ - 1}}\)
C
Acceleration of object at \(t = 2.0\,s\)
R
\(0\,m{s^{ - 1}}\)
D
Average velocity between \(t = 2.0\,s\,{\rm{and}}\,t = 4.0\,s\)
S
\( - 5\,m{s^{ - 2}}\)

1 A - P, B - Q, C - R, D - S
2 A - Q, B - R, C - S, D - P
3 A - S, B - R, C - S, D - P
4 A - R, B - Q, C - P,D - S
PHXI03:MOTION IN A STRAIGHT LINE

362178 Match the Column I and Column II

Column IColumn II
A. DisplacementP. Slope of \(x-t\) graph
B. VelocityQ. Slope of tangent to \(x-t\) curve
C. AccelerationR. Area under \(v-t\) curve
D. Instantaneous velocityS. Slope of \(v-t\) graph

1 A - S, B - Q, C - P, D-R
2 A - Q, B - S, C - R, D-P
3 A - R, B - P, C - S, D-Q
4 A - Q, B - S, C - P, D-R
PHXI03:MOTION IN A STRAIGHT LINE

362173 Match the Column I and Column II

Column IColumn II
A. VelocityP. \(\,m/{s^2}\)
B. DisplacementQ. Vector
C. SpeedR. \(\,m/s\)
D. AccelerationS. Scalar

1 A - Q,R, B - Q, C - R,S, D - P,Q
2 A - Q, B - P, C - R, D - S
3 A - P,Q,R, B-R,C-S,D-P,R
4 A - Q, B - S, C - P, D-R
PHXI03:MOTION IN A STRAIGHT LINE

362176 Assertion :
A body can have acceleration even if its velocity is zero at a given instant of time.
Reason :
A body is momentarily at rest when it reverses its direction of motion.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
PHXI03:MOTION IN A STRAIGHT LINE

362177 Velocity versus displacement curve for ant, moving along a straight line, is given. The magnitude of acceleration of the ant at \({x=8 {~m}}\) is
supporting img

1 \({8 \sqrt{3} {~m} / {s}^{2}}\)
2 \({12 \sqrt{3} {~m} / {s}^{2}}\)
3 \({\dfrac{3}{2} m / s^{2}}\)
4 \({\sqrt{3} {~m} / {s}^{2}}\)
PHXI03:MOTION IN A STRAIGHT LINE

362179 The position of an object moving along \(X\)-axis is given by \(x(t) = a - b{t^2}\), where \(a = 8.5\,m,b = 2.5\,m{s^{ - 2}}\) and \(t\) is measured in seconds. For the above situation, match the column I with column II .
Column I
Column II
A
Velocity of object at \(t = 2.0\,s\)
P
\( - 15\,m{s^{ - 1}}\)
B
Velocity of object at \(t = 0\,s\)
Q
\( - 10\,m{s^{ - 1}}\)
C
Acceleration of object at \(t = 2.0\,s\)
R
\(0\,m{s^{ - 1}}\)
D
Average velocity between \(t = 2.0\,s\,{\rm{and}}\,t = 4.0\,s\)
S
\( - 5\,m{s^{ - 2}}\)

1 A - P, B - Q, C - R, D - S
2 A - Q, B - R, C - S, D - P
3 A - S, B - R, C - S, D - P
4 A - R, B - Q, C - P,D - S
PHXI03:MOTION IN A STRAIGHT LINE

362178 Match the Column I and Column II

Column IColumn II
A. DisplacementP. Slope of \(x-t\) graph
B. VelocityQ. Slope of tangent to \(x-t\) curve
C. AccelerationR. Area under \(v-t\) curve
D. Instantaneous velocityS. Slope of \(v-t\) graph

1 A - S, B - Q, C - P, D-R
2 A - Q, B - S, C - R, D-P
3 A - R, B - P, C - S, D-Q
4 A - Q, B - S, C - P, D-R
PHXI03:MOTION IN A STRAIGHT LINE

362173 Match the Column I and Column II

Column IColumn II
A. VelocityP. \(\,m/{s^2}\)
B. DisplacementQ. Vector
C. SpeedR. \(\,m/s\)
D. AccelerationS. Scalar

1 A - Q,R, B - Q, C - R,S, D - P,Q
2 A - Q, B - P, C - R, D - S
3 A - P,Q,R, B-R,C-S,D-P,R
4 A - Q, B - S, C - P, D-R
PHXI03:MOTION IN A STRAIGHT LINE

362176 Assertion :
A body can have acceleration even if its velocity is zero at a given instant of time.
Reason :
A body is momentarily at rest when it reverses its direction of motion.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
PHXI03:MOTION IN A STRAIGHT LINE

362177 Velocity versus displacement curve for ant, moving along a straight line, is given. The magnitude of acceleration of the ant at \({x=8 {~m}}\) is
supporting img

1 \({8 \sqrt{3} {~m} / {s}^{2}}\)
2 \({12 \sqrt{3} {~m} / {s}^{2}}\)
3 \({\dfrac{3}{2} m / s^{2}}\)
4 \({\sqrt{3} {~m} / {s}^{2}}\)
PHXI03:MOTION IN A STRAIGHT LINE

362179 The position of an object moving along \(X\)-axis is given by \(x(t) = a - b{t^2}\), where \(a = 8.5\,m,b = 2.5\,m{s^{ - 2}}\) and \(t\) is measured in seconds. For the above situation, match the column I with column II .
Column I
Column II
A
Velocity of object at \(t = 2.0\,s\)
P
\( - 15\,m{s^{ - 1}}\)
B
Velocity of object at \(t = 0\,s\)
Q
\( - 10\,m{s^{ - 1}}\)
C
Acceleration of object at \(t = 2.0\,s\)
R
\(0\,m{s^{ - 1}}\)
D
Average velocity between \(t = 2.0\,s\,{\rm{and}}\,t = 4.0\,s\)
S
\( - 5\,m{s^{ - 2}}\)

1 A - P, B - Q, C - R, D - S
2 A - Q, B - R, C - S, D - P
3 A - S, B - R, C - S, D - P
4 A - R, B - Q, C - P,D - S
PHXI03:MOTION IN A STRAIGHT LINE

362178 Match the Column I and Column II

Column IColumn II
A. DisplacementP. Slope of \(x-t\) graph
B. VelocityQ. Slope of tangent to \(x-t\) curve
C. AccelerationR. Area under \(v-t\) curve
D. Instantaneous velocityS. Slope of \(v-t\) graph

1 A - S, B - Q, C - P, D-R
2 A - Q, B - S, C - R, D-P
3 A - R, B - P, C - S, D-Q
4 A - Q, B - S, C - P, D-R
PHXI03:MOTION IN A STRAIGHT LINE

362173 Match the Column I and Column II

Column IColumn II
A. VelocityP. \(\,m/{s^2}\)
B. DisplacementQ. Vector
C. SpeedR. \(\,m/s\)
D. AccelerationS. Scalar

1 A - Q,R, B - Q, C - R,S, D - P,Q
2 A - Q, B - P, C - R, D - S
3 A - P,Q,R, B-R,C-S,D-P,R
4 A - Q, B - S, C - P, D-R
PHXI03:MOTION IN A STRAIGHT LINE

362176 Assertion :
A body can have acceleration even if its velocity is zero at a given instant of time.
Reason :
A body is momentarily at rest when it reverses its direction of motion.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
PHXI03:MOTION IN A STRAIGHT LINE

362177 Velocity versus displacement curve for ant, moving along a straight line, is given. The magnitude of acceleration of the ant at \({x=8 {~m}}\) is
supporting img

1 \({8 \sqrt{3} {~m} / {s}^{2}}\)
2 \({12 \sqrt{3} {~m} / {s}^{2}}\)
3 \({\dfrac{3}{2} m / s^{2}}\)
4 \({\sqrt{3} {~m} / {s}^{2}}\)
PHXI03:MOTION IN A STRAIGHT LINE

362179 The position of an object moving along \(X\)-axis is given by \(x(t) = a - b{t^2}\), where \(a = 8.5\,m,b = 2.5\,m{s^{ - 2}}\) and \(t\) is measured in seconds. For the above situation, match the column I with column II .
Column I
Column II
A
Velocity of object at \(t = 2.0\,s\)
P
\( - 15\,m{s^{ - 1}}\)
B
Velocity of object at \(t = 0\,s\)
Q
\( - 10\,m{s^{ - 1}}\)
C
Acceleration of object at \(t = 2.0\,s\)
R
\(0\,m{s^{ - 1}}\)
D
Average velocity between \(t = 2.0\,s\,{\rm{and}}\,t = 4.0\,s\)
S
\( - 5\,m{s^{ - 2}}\)

1 A - P, B - Q, C - R, D - S
2 A - Q, B - R, C - S, D - P
3 A - S, B - R, C - S, D - P
4 A - R, B - Q, C - P,D - S
PHXI03:MOTION IN A STRAIGHT LINE

362178 Match the Column I and Column II

Column IColumn II
A. DisplacementP. Slope of \(x-t\) graph
B. VelocityQ. Slope of tangent to \(x-t\) curve
C. AccelerationR. Area under \(v-t\) curve
D. Instantaneous velocityS. Slope of \(v-t\) graph

1 A - S, B - Q, C - P, D-R
2 A - Q, B - S, C - R, D-P
3 A - R, B - P, C - S, D-Q
4 A - Q, B - S, C - P, D-R
PHXI03:MOTION IN A STRAIGHT LINE

362173 Match the Column I and Column II

Column IColumn II
A. VelocityP. \(\,m/{s^2}\)
B. DisplacementQ. Vector
C. SpeedR. \(\,m/s\)
D. AccelerationS. Scalar

1 A - Q,R, B - Q, C - R,S, D - P,Q
2 A - Q, B - P, C - R, D - S
3 A - P,Q,R, B-R,C-S,D-P,R
4 A - Q, B - S, C - P, D-R
PHXI03:MOTION IN A STRAIGHT LINE

362176 Assertion :
A body can have acceleration even if its velocity is zero at a given instant of time.
Reason :
A body is momentarily at rest when it reverses its direction of motion.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
PHXI03:MOTION IN A STRAIGHT LINE

362177 Velocity versus displacement curve for ant, moving along a straight line, is given. The magnitude of acceleration of the ant at \({x=8 {~m}}\) is
supporting img

1 \({8 \sqrt{3} {~m} / {s}^{2}}\)
2 \({12 \sqrt{3} {~m} / {s}^{2}}\)
3 \({\dfrac{3}{2} m / s^{2}}\)
4 \({\sqrt{3} {~m} / {s}^{2}}\)
PHXI03:MOTION IN A STRAIGHT LINE

362179 The position of an object moving along \(X\)-axis is given by \(x(t) = a - b{t^2}\), where \(a = 8.5\,m,b = 2.5\,m{s^{ - 2}}\) and \(t\) is measured in seconds. For the above situation, match the column I with column II .
Column I
Column II
A
Velocity of object at \(t = 2.0\,s\)
P
\( - 15\,m{s^{ - 1}}\)
B
Velocity of object at \(t = 0\,s\)
Q
\( - 10\,m{s^{ - 1}}\)
C
Acceleration of object at \(t = 2.0\,s\)
R
\(0\,m{s^{ - 1}}\)
D
Average velocity between \(t = 2.0\,s\,{\rm{and}}\,t = 4.0\,s\)
S
\( - 5\,m{s^{ - 2}}\)

1 A - P, B - Q, C - R, D - S
2 A - Q, B - R, C - S, D - P
3 A - S, B - R, C - S, D - P
4 A - R, B - Q, C - P,D - S
PHXI03:MOTION IN A STRAIGHT LINE

362178 Match the Column I and Column II

Column IColumn II
A. DisplacementP. Slope of \(x-t\) graph
B. VelocityQ. Slope of tangent to \(x-t\) curve
C. AccelerationR. Area under \(v-t\) curve
D. Instantaneous velocityS. Slope of \(v-t\) graph

1 A - S, B - Q, C - P, D-R
2 A - Q, B - S, C - R, D-P
3 A - R, B - P, C - S, D-Q
4 A - Q, B - S, C - P, D-R
PHXI03:MOTION IN A STRAIGHT LINE

362173 Match the Column I and Column II

Column IColumn II
A. VelocityP. \(\,m/{s^2}\)
B. DisplacementQ. Vector
C. SpeedR. \(\,m/s\)
D. AccelerationS. Scalar

1 A - Q,R, B - Q, C - R,S, D - P,Q
2 A - Q, B - P, C - R, D - S
3 A - P,Q,R, B-R,C-S,D-P,R
4 A - Q, B - S, C - P, D-R