COEFFICIENT OF RESTITUTION
Work, Energy and Power

268690 A rubber ball drops from a height ' \(h\) '. After rebounding twice from the ground, it rises to \(\mathrm{h} / 2\). The co - efficient of restitution is

1 \(\frac{1}{2}\)
2 \(\square \frac{1}{2} \mathrm{~m}^{1 / 2}\)
3 \(\exists \frac{1}{2} \square^{1 / 4}\)
4 \(\square \frac{1}{2} \mathrm{H}^{1 / 6}\)
Work, Energy and Power

268691 A body dropped freely from a height \(h\) o n \(t o\) a horizontal plane, bounces up and down and finally comes to rest. The coefficient of restitution is \(e\). The ratio of velocities at the beginning and after two rebounds is

1 \(1: e\)
2 e : 1
3 \(1: \mathrm{e}^{2}\)
4 \(\mathrm{e}^{2}: 1\)
Work, Energy and Power

268692 In the above problem, the ratio of times of two consecutive rebounds is

1 \(1: e\)
2 e : 1
3 \(1: \mathrm{e}^{2}\)
4 \(e^{2}: 1\)
Work, Energy and Power

268693 In the above problem the ratio of distances travelled in two consecutive rebounds is

1 \(1: e\)
2 e:1
3 \(1: \mathrm{e}^{2}\)
4 \(\mathrm{e}^{2}: 1\)
Work, Energy and Power

268694 A ball is dropped onto a horizontal floor. It reaches a height of \(144 \mathrm{~cm}\) on the first bounce and \(81 \mathrm{~cm}\) on the second bounce. The coefficient of restitution is

1 0
2 0.75
3 81/144
4 1
Work, Energy and Power

268690 A rubber ball drops from a height ' \(h\) '. After rebounding twice from the ground, it rises to \(\mathrm{h} / 2\). The co - efficient of restitution is

1 \(\frac{1}{2}\)
2 \(\square \frac{1}{2} \mathrm{~m}^{1 / 2}\)
3 \(\exists \frac{1}{2} \square^{1 / 4}\)
4 \(\square \frac{1}{2} \mathrm{H}^{1 / 6}\)
Work, Energy and Power

268691 A body dropped freely from a height \(h\) o n \(t o\) a horizontal plane, bounces up and down and finally comes to rest. The coefficient of restitution is \(e\). The ratio of velocities at the beginning and after two rebounds is

1 \(1: e\)
2 e : 1
3 \(1: \mathrm{e}^{2}\)
4 \(\mathrm{e}^{2}: 1\)
Work, Energy and Power

268692 In the above problem, the ratio of times of two consecutive rebounds is

1 \(1: e\)
2 e : 1
3 \(1: \mathrm{e}^{2}\)
4 \(e^{2}: 1\)
Work, Energy and Power

268693 In the above problem the ratio of distances travelled in two consecutive rebounds is

1 \(1: e\)
2 e:1
3 \(1: \mathrm{e}^{2}\)
4 \(\mathrm{e}^{2}: 1\)
Work, Energy and Power

268694 A ball is dropped onto a horizontal floor. It reaches a height of \(144 \mathrm{~cm}\) on the first bounce and \(81 \mathrm{~cm}\) on the second bounce. The coefficient of restitution is

1 0
2 0.75
3 81/144
4 1
Work, Energy and Power

268690 A rubber ball drops from a height ' \(h\) '. After rebounding twice from the ground, it rises to \(\mathrm{h} / 2\). The co - efficient of restitution is

1 \(\frac{1}{2}\)
2 \(\square \frac{1}{2} \mathrm{~m}^{1 / 2}\)
3 \(\exists \frac{1}{2} \square^{1 / 4}\)
4 \(\square \frac{1}{2} \mathrm{H}^{1 / 6}\)
Work, Energy and Power

268691 A body dropped freely from a height \(h\) o n \(t o\) a horizontal plane, bounces up and down and finally comes to rest. The coefficient of restitution is \(e\). The ratio of velocities at the beginning and after two rebounds is

1 \(1: e\)
2 e : 1
3 \(1: \mathrm{e}^{2}\)
4 \(\mathrm{e}^{2}: 1\)
Work, Energy and Power

268692 In the above problem, the ratio of times of two consecutive rebounds is

1 \(1: e\)
2 e : 1
3 \(1: \mathrm{e}^{2}\)
4 \(e^{2}: 1\)
Work, Energy and Power

268693 In the above problem the ratio of distances travelled in two consecutive rebounds is

1 \(1: e\)
2 e:1
3 \(1: \mathrm{e}^{2}\)
4 \(\mathrm{e}^{2}: 1\)
Work, Energy and Power

268694 A ball is dropped onto a horizontal floor. It reaches a height of \(144 \mathrm{~cm}\) on the first bounce and \(81 \mathrm{~cm}\) on the second bounce. The coefficient of restitution is

1 0
2 0.75
3 81/144
4 1
Work, Energy and Power

268690 A rubber ball drops from a height ' \(h\) '. After rebounding twice from the ground, it rises to \(\mathrm{h} / 2\). The co - efficient of restitution is

1 \(\frac{1}{2}\)
2 \(\square \frac{1}{2} \mathrm{~m}^{1 / 2}\)
3 \(\exists \frac{1}{2} \square^{1 / 4}\)
4 \(\square \frac{1}{2} \mathrm{H}^{1 / 6}\)
Work, Energy and Power

268691 A body dropped freely from a height \(h\) o n \(t o\) a horizontal plane, bounces up and down and finally comes to rest. The coefficient of restitution is \(e\). The ratio of velocities at the beginning and after two rebounds is

1 \(1: e\)
2 e : 1
3 \(1: \mathrm{e}^{2}\)
4 \(\mathrm{e}^{2}: 1\)
Work, Energy and Power

268692 In the above problem, the ratio of times of two consecutive rebounds is

1 \(1: e\)
2 e : 1
3 \(1: \mathrm{e}^{2}\)
4 \(e^{2}: 1\)
Work, Energy and Power

268693 In the above problem the ratio of distances travelled in two consecutive rebounds is

1 \(1: e\)
2 e:1
3 \(1: \mathrm{e}^{2}\)
4 \(\mathrm{e}^{2}: 1\)
Work, Energy and Power

268694 A ball is dropped onto a horizontal floor. It reaches a height of \(144 \mathrm{~cm}\) on the first bounce and \(81 \mathrm{~cm}\) on the second bounce. The coefficient of restitution is

1 0
2 0.75
3 81/144
4 1
Work, Energy and Power

268690 A rubber ball drops from a height ' \(h\) '. After rebounding twice from the ground, it rises to \(\mathrm{h} / 2\). The co - efficient of restitution is

1 \(\frac{1}{2}\)
2 \(\square \frac{1}{2} \mathrm{~m}^{1 / 2}\)
3 \(\exists \frac{1}{2} \square^{1 / 4}\)
4 \(\square \frac{1}{2} \mathrm{H}^{1 / 6}\)
Work, Energy and Power

268691 A body dropped freely from a height \(h\) o n \(t o\) a horizontal plane, bounces up and down and finally comes to rest. The coefficient of restitution is \(e\). The ratio of velocities at the beginning and after two rebounds is

1 \(1: e\)
2 e : 1
3 \(1: \mathrm{e}^{2}\)
4 \(\mathrm{e}^{2}: 1\)
Work, Energy and Power

268692 In the above problem, the ratio of times of two consecutive rebounds is

1 \(1: e\)
2 e : 1
3 \(1: \mathrm{e}^{2}\)
4 \(e^{2}: 1\)
Work, Energy and Power

268693 In the above problem the ratio of distances travelled in two consecutive rebounds is

1 \(1: e\)
2 e:1
3 \(1: \mathrm{e}^{2}\)
4 \(\mathrm{e}^{2}: 1\)
Work, Energy and Power

268694 A ball is dropped onto a horizontal floor. It reaches a height of \(144 \mathrm{~cm}\) on the first bounce and \(81 \mathrm{~cm}\) on the second bounce. The coefficient of restitution is

1 0
2 0.75
3 81/144
4 1