ACCELERATION
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MOTION IN A STRIGHT LINE

269712 A car moving on a straight road accelerates from a speed of\(4.1 \mathrm{~m} / \mathrm{s}\) to a speed of \(6.9 \mathrm{~m} / \mathrm{s}\) in \(5.0 \mathrm{~s}\). Then its average acceleration is

1 \(0.5 \mathrm{~m} / \mathrm{s}^{2}\)
2 \(0.6 \mathrm{~m} / \mathrm{s}^{2}\)
3 \(0.56 \mathrm{~m} / \mathrm{s}^{2}\)
4 \(0.65 \mathrm{~m} / \mathrm{s}^{2}\)
MOTION IN A STRIGHT LINE

269723 A body is moving with velocity\(30 \mathrm{~ms}^{-1}\) towards east. After 10s its velocity becomes \(40 \mathrm{~ms}^{-1}\) towards north. The average acceleration of the body is [AIPM T 2011]

1 \(7 \mathrm{~ms}^{-2}\)
2 \(\sqrt{7} \mathrm{~ms}^{-2}\)
3 \(5 \mathrm{~ms}^{-2}\)
4 \(1 \mathrm{mb}^{-2}\)
MOTION IN A STRIGHT LINE

269724 A body starting with a velocity ' \(v\) ' returns to its initial position after ' \(t\) ' second with the same speed, along the same line. Acceleration of the particle is

1 \(\frac{-2 v}{t}\)
2 zero
3 \(\frac{v}{2 t}\)
4 \(\frac{t}{2 v}\)
MOTION IN A STRIGHT LINE

269725 A body starting from rest moving with uniform acceleration has a displacement of\(16 \mathrm{~m}\) in first \(4 \mathrm{~s}\) and \(9 \mathrm{~m}\) in first \(3 \mathrm{~s}\). The acceleration of the body is

1 \(1 \mathrm{~ms}^{2}\)
2 \(2 \mathrm{~ms}^{2}\)
3 \(3 \mathrm{~ms}^{2}\)
4 \(4 \mathrm{~ms}^{2}\)
MOTION IN A STRIGHT LINE

269726 A body starts from rest and moves withan uniform acceleration. The ratio of distance covered in the \(\mathrm{n}^{\text {th }}\) second to the distance covered in ' \(n\) ' second is

1 \(\left(\frac{2}{n}-\frac{1}{n^{2}}\right)\)
2 \(\left(\frac{1}{n^{2}}-\frac{1}{n}\right)\)
3 \(\left(\frac{2}{n^{2}}-\frac{1}{n}\right)\)
4 \(\frac{2}{n}+\frac{1}{n^{2}}\)
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MOTION IN A STRIGHT LINE

269712 A car moving on a straight road accelerates from a speed of\(4.1 \mathrm{~m} / \mathrm{s}\) to a speed of \(6.9 \mathrm{~m} / \mathrm{s}\) in \(5.0 \mathrm{~s}\). Then its average acceleration is

1 \(0.5 \mathrm{~m} / \mathrm{s}^{2}\)
2 \(0.6 \mathrm{~m} / \mathrm{s}^{2}\)
3 \(0.56 \mathrm{~m} / \mathrm{s}^{2}\)
4 \(0.65 \mathrm{~m} / \mathrm{s}^{2}\)
MOTION IN A STRIGHT LINE

269723 A body is moving with velocity\(30 \mathrm{~ms}^{-1}\) towards east. After 10s its velocity becomes \(40 \mathrm{~ms}^{-1}\) towards north. The average acceleration of the body is [AIPM T 2011]

1 \(7 \mathrm{~ms}^{-2}\)
2 \(\sqrt{7} \mathrm{~ms}^{-2}\)
3 \(5 \mathrm{~ms}^{-2}\)
4 \(1 \mathrm{mb}^{-2}\)
MOTION IN A STRIGHT LINE

269724 A body starting with a velocity ' \(v\) ' returns to its initial position after ' \(t\) ' second with the same speed, along the same line. Acceleration of the particle is

1 \(\frac{-2 v}{t}\)
2 zero
3 \(\frac{v}{2 t}\)
4 \(\frac{t}{2 v}\)
MOTION IN A STRIGHT LINE

269725 A body starting from rest moving with uniform acceleration has a displacement of\(16 \mathrm{~m}\) in first \(4 \mathrm{~s}\) and \(9 \mathrm{~m}\) in first \(3 \mathrm{~s}\). The acceleration of the body is

1 \(1 \mathrm{~ms}^{2}\)
2 \(2 \mathrm{~ms}^{2}\)
3 \(3 \mathrm{~ms}^{2}\)
4 \(4 \mathrm{~ms}^{2}\)
MOTION IN A STRIGHT LINE

269726 A body starts from rest and moves withan uniform acceleration. The ratio of distance covered in the \(\mathrm{n}^{\text {th }}\) second to the distance covered in ' \(n\) ' second is

1 \(\left(\frac{2}{n}-\frac{1}{n^{2}}\right)\)
2 \(\left(\frac{1}{n^{2}}-\frac{1}{n}\right)\)
3 \(\left(\frac{2}{n^{2}}-\frac{1}{n}\right)\)
4 \(\frac{2}{n}+\frac{1}{n^{2}}\)
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MOTION IN A STRIGHT LINE

269712 A car moving on a straight road accelerates from a speed of\(4.1 \mathrm{~m} / \mathrm{s}\) to a speed of \(6.9 \mathrm{~m} / \mathrm{s}\) in \(5.0 \mathrm{~s}\). Then its average acceleration is

1 \(0.5 \mathrm{~m} / \mathrm{s}^{2}\)
2 \(0.6 \mathrm{~m} / \mathrm{s}^{2}\)
3 \(0.56 \mathrm{~m} / \mathrm{s}^{2}\)
4 \(0.65 \mathrm{~m} / \mathrm{s}^{2}\)
MOTION IN A STRIGHT LINE

269723 A body is moving with velocity\(30 \mathrm{~ms}^{-1}\) towards east. After 10s its velocity becomes \(40 \mathrm{~ms}^{-1}\) towards north. The average acceleration of the body is [AIPM T 2011]

1 \(7 \mathrm{~ms}^{-2}\)
2 \(\sqrt{7} \mathrm{~ms}^{-2}\)
3 \(5 \mathrm{~ms}^{-2}\)
4 \(1 \mathrm{mb}^{-2}\)
MOTION IN A STRIGHT LINE

269724 A body starting with a velocity ' \(v\) ' returns to its initial position after ' \(t\) ' second with the same speed, along the same line. Acceleration of the particle is

1 \(\frac{-2 v}{t}\)
2 zero
3 \(\frac{v}{2 t}\)
4 \(\frac{t}{2 v}\)
MOTION IN A STRIGHT LINE

269725 A body starting from rest moving with uniform acceleration has a displacement of\(16 \mathrm{~m}\) in first \(4 \mathrm{~s}\) and \(9 \mathrm{~m}\) in first \(3 \mathrm{~s}\). The acceleration of the body is

1 \(1 \mathrm{~ms}^{2}\)
2 \(2 \mathrm{~ms}^{2}\)
3 \(3 \mathrm{~ms}^{2}\)
4 \(4 \mathrm{~ms}^{2}\)
MOTION IN A STRIGHT LINE

269726 A body starts from rest and moves withan uniform acceleration. The ratio of distance covered in the \(\mathrm{n}^{\text {th }}\) second to the distance covered in ' \(n\) ' second is

1 \(\left(\frac{2}{n}-\frac{1}{n^{2}}\right)\)
2 \(\left(\frac{1}{n^{2}}-\frac{1}{n}\right)\)
3 \(\left(\frac{2}{n^{2}}-\frac{1}{n}\right)\)
4 \(\frac{2}{n}+\frac{1}{n^{2}}\)
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MOTION IN A STRIGHT LINE

269712 A car moving on a straight road accelerates from a speed of\(4.1 \mathrm{~m} / \mathrm{s}\) to a speed of \(6.9 \mathrm{~m} / \mathrm{s}\) in \(5.0 \mathrm{~s}\). Then its average acceleration is

1 \(0.5 \mathrm{~m} / \mathrm{s}^{2}\)
2 \(0.6 \mathrm{~m} / \mathrm{s}^{2}\)
3 \(0.56 \mathrm{~m} / \mathrm{s}^{2}\)
4 \(0.65 \mathrm{~m} / \mathrm{s}^{2}\)
MOTION IN A STRIGHT LINE

269723 A body is moving with velocity\(30 \mathrm{~ms}^{-1}\) towards east. After 10s its velocity becomes \(40 \mathrm{~ms}^{-1}\) towards north. The average acceleration of the body is [AIPM T 2011]

1 \(7 \mathrm{~ms}^{-2}\)
2 \(\sqrt{7} \mathrm{~ms}^{-2}\)
3 \(5 \mathrm{~ms}^{-2}\)
4 \(1 \mathrm{mb}^{-2}\)
MOTION IN A STRIGHT LINE

269724 A body starting with a velocity ' \(v\) ' returns to its initial position after ' \(t\) ' second with the same speed, along the same line. Acceleration of the particle is

1 \(\frac{-2 v}{t}\)
2 zero
3 \(\frac{v}{2 t}\)
4 \(\frac{t}{2 v}\)
MOTION IN A STRIGHT LINE

269725 A body starting from rest moving with uniform acceleration has a displacement of\(16 \mathrm{~m}\) in first \(4 \mathrm{~s}\) and \(9 \mathrm{~m}\) in first \(3 \mathrm{~s}\). The acceleration of the body is

1 \(1 \mathrm{~ms}^{2}\)
2 \(2 \mathrm{~ms}^{2}\)
3 \(3 \mathrm{~ms}^{2}\)
4 \(4 \mathrm{~ms}^{2}\)
MOTION IN A STRIGHT LINE

269726 A body starts from rest and moves withan uniform acceleration. The ratio of distance covered in the \(\mathrm{n}^{\text {th }}\) second to the distance covered in ' \(n\) ' second is

1 \(\left(\frac{2}{n}-\frac{1}{n^{2}}\right)\)
2 \(\left(\frac{1}{n^{2}}-\frac{1}{n}\right)\)
3 \(\left(\frac{2}{n^{2}}-\frac{1}{n}\right)\)
4 \(\frac{2}{n}+\frac{1}{n^{2}}\)
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MOTION IN A STRIGHT LINE

269712 A car moving on a straight road accelerates from a speed of\(4.1 \mathrm{~m} / \mathrm{s}\) to a speed of \(6.9 \mathrm{~m} / \mathrm{s}\) in \(5.0 \mathrm{~s}\). Then its average acceleration is

1 \(0.5 \mathrm{~m} / \mathrm{s}^{2}\)
2 \(0.6 \mathrm{~m} / \mathrm{s}^{2}\)
3 \(0.56 \mathrm{~m} / \mathrm{s}^{2}\)
4 \(0.65 \mathrm{~m} / \mathrm{s}^{2}\)
MOTION IN A STRIGHT LINE

269723 A body is moving with velocity\(30 \mathrm{~ms}^{-1}\) towards east. After 10s its velocity becomes \(40 \mathrm{~ms}^{-1}\) towards north. The average acceleration of the body is [AIPM T 2011]

1 \(7 \mathrm{~ms}^{-2}\)
2 \(\sqrt{7} \mathrm{~ms}^{-2}\)
3 \(5 \mathrm{~ms}^{-2}\)
4 \(1 \mathrm{mb}^{-2}\)
MOTION IN A STRIGHT LINE

269724 A body starting with a velocity ' \(v\) ' returns to its initial position after ' \(t\) ' second with the same speed, along the same line. Acceleration of the particle is

1 \(\frac{-2 v}{t}\)
2 zero
3 \(\frac{v}{2 t}\)
4 \(\frac{t}{2 v}\)
MOTION IN A STRIGHT LINE

269725 A body starting from rest moving with uniform acceleration has a displacement of\(16 \mathrm{~m}\) in first \(4 \mathrm{~s}\) and \(9 \mathrm{~m}\) in first \(3 \mathrm{~s}\). The acceleration of the body is

1 \(1 \mathrm{~ms}^{2}\)
2 \(2 \mathrm{~ms}^{2}\)
3 \(3 \mathrm{~ms}^{2}\)
4 \(4 \mathrm{~ms}^{2}\)
MOTION IN A STRIGHT LINE

269726 A body starts from rest and moves withan uniform acceleration. The ratio of distance covered in the \(\mathrm{n}^{\text {th }}\) second to the distance covered in ' \(n\) ' second is

1 \(\left(\frac{2}{n}-\frac{1}{n^{2}}\right)\)
2 \(\left(\frac{1}{n^{2}}-\frac{1}{n}\right)\)
3 \(\left(\frac{2}{n^{2}}-\frac{1}{n}\right)\)
4 \(\frac{2}{n}+\frac{1}{n^{2}}\)