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Physics

General

Easy

Question

In a damped oscillation with damping constant b . The time taken for its mechanical energy to drop to half. What is its value?

$\frac{b}{m} \ln 2$
$\frac{b}{2 m} \ln 2$
$\frac{m}{b} \ln 2$
$\frac{2 m}{b} \ln 2$

The correct answer is: $straight m over straight b ln space invisible function application 2$

Related Questions to study

In a damped oscillating with damping constant b. The time taken for amplitude of oscillation to drop to half what is its initial vale?

In a damped oscillating with damping constant b. The time taken for amplitude of oscillation to drop to half what is its initial vale?

I: $H subscript 2 end subscript O subscript left parenthesis s right parenthesis end subscript$
II $H subscript 2 end subscript O subscript left parenthesis t right parenthesis end subscript$
III $H subscript 2 end subscript O subscript left parenthesis g right parenthesis end subscript$
For the above compounds the correct of internal energy content is = =</span

I: $H subscript 2 end subscript O subscript left parenthesis s right parenthesis end subscript$
II $H subscript 2 end subscript O subscript left parenthesis t right parenthesis end subscript$
III $H subscript 2 end subscript O subscript left parenthesis g right parenthesis end subscript$
For the above compounds the correct of internal energy content is = =</span

chemistry-General

Three statements are given below
i) The enthalpy of any element is zero in their standard state
ii) The heat of neutralisation for any strong acid and strong base at 25°C is -13.7 kJ/mole is a mathematical form of first+ $capital delta$ =
iii) $Q equals capital delta E plus W c$ law of thermodynamics if work is done by the system according IUPAC

Three statements are given below
i) The enthalpy of any element is zero in their standard state
ii) The heat of neutralisation for any strong acid and strong base at 25°C is -13.7 kJ/mole is a mathematical form of first+ $capital delta$ =
iii) $Q equals capital delta E plus W c$ law of thermodynamics if work is done by the system according IUPAC

chemistry-General

parallel

The enthalpy change involved in the oxidation of glucose is -2880 KJ mol-1 25% of this energy is available for muscular work. If 100 KJ of muscular work is needed to walk one kilometer, what is the maximum distance that a person will be able to walk after consuming 120 gm of glucose?

The enthalpy change involved in the oxidation of glucose is -2880 KJ mol-1 25% of this energy is available for muscular work. If 100 KJ of muscular work is needed to walk one kilometer, what is the maximum distance that a person will be able to walk after consuming 120 gm of glucose?

chemistry-General

For the reduction of lead oxide by coke S are found to $left parenthesis P b O plus C rightwards arrow P b plus C O right parenthesis comma capital delta H blank a n d blank capital delta S$ be 108.8 kJ mol^-1 and 190 JK^-1 mol^-1 respectively. The minimum temperature above which the reaction will be spontaneous will be

For the reduction of lead oxide by coke S are found to $left parenthesis P b O plus C rightwards arrow P b plus C O right parenthesis comma capital delta H blank a n d blank capital delta S$ be 108.8 kJ mol^-1 and 190 JK^-1 mol^-1 respectively. The minimum temperature above which the reaction will be spontaneous will be

chemistry-General

Calculate the free energy change for the following reaction at 300K $2 C u O subscript left parenthesis s right parenthesis end subscript rightwards arrow C u subscript 2 end subscript O subscript left parenthesis s right parenthesis end subscript plus fraction numerator 1 over denominator 2 end fraction O subscript 2 subscript 18 end subscript end subscript$ Given $capital delta H equals 145.6 k J m o l to the power of negative 1 end exponent blank$ and $capital delta S equals 116. J K to the power of negative 1 end exponent m o l to the power of negative 1 end exponent$

Calculate the free energy change for the following reaction at 300K $2 C u O subscript left parenthesis s right parenthesis end subscript rightwards arrow C u subscript 2 end subscript O subscript left parenthesis s right parenthesis end subscript plus fraction numerator 1 over denominator 2 end fraction O subscript 2 subscript 18 end subscript end subscript$ Given $capital delta H equals 145.6 k J m o l to the power of negative 1 end exponent blank$ and $capital delta S equals 116. J K to the power of negative 1 end exponent m o l to the power of negative 1 end exponent$

chemistry-General

parallel

In which of the following reactions the entropy change is positive?

In which of the following reactions the entropy change is positive?

chemistry-General

3 $C a C O subscript 3 left parenthesis s right parenthesis end subscript rightwards arrow C a O subscript left parenthesis s right parenthesis end subscript plus C O subscript 2 left parenthesis g right parenthesis end subscript capital delta H equals plus 180 K J$ If entropies of limestone ,lime and carbon dioxide are 93,39 and 213 J/mol/K. Then $capital delta S subscript t o t a l blank end subscript$ in JK^–1 at 300K is

3 $C a C O subscript 3 left parenthesis s right parenthesis end subscript rightwards arrow C a O subscript left parenthesis s right parenthesis end subscript plus C O subscript 2 left parenthesis g right parenthesis end subscript capital delta H equals plus 180 K J$ If entropies of limestone ,lime and carbon dioxide are 93,39 and 213 J/mol/K. Then $capital delta S subscript t o t a l blank end subscript$ in JK^–1 at 300K is

chemistry-General

The direct conversion of A to B is difficult. Hence it is carried out by the following shown path: $capital delta S left parenthesis A rightwards arrow C right parenthesis equals 50 blank e. u. comma blank capital delta S left parenthesis C rightwards arrow D right parenthesis equals 30 blank e. t blank capital delta S left parenthesis B rightwards arrow D right parenthesis equals 20 e u$ . where e.u is entropy unitThen $capital delta S left parenthesis A rightwards arrow B right parenthesis$

The direct conversion of A to B is difficult. Hence it is carried out by the following shown path: $capital delta S left parenthesis A rightwards arrow C right parenthesis equals 50 blank e. u. comma blank capital delta S left parenthesis C rightwards arrow D right parenthesis equals 30 blank e. t blank capital delta S left parenthesis B rightwards arrow D right parenthesis equals 20 e u$ . where e.u is entropy unitThen $capital delta S left parenthesis A rightwards arrow B right parenthesis$

chemistry-General

parallel

$C subscript 6 end subscript H subscript 6 end subscript rightwards arrow C subscript 6 end subscript H subscript 12 end subscript capital delta H equals negative 204 K J$ 204 kjheat of hydrognentaion of each C=C bond in benzene

$C subscript 6 end subscript H subscript 6 end subscript rightwards arrow C subscript 6 end subscript H subscript 12 end subscript capital delta H equals negative 204 K J$ 204 kjheat of hydrognentaion of each C=C bond in benzene

chemistry-General

Heat evolved in the reaction $H subscript 2 end subscript plus C l subscript 2 end subscript rightwards arrow 2 H C l$ is 182kJ Bond energies H-H and Cl-Cl are 430 and 242kJ/mole.respectively Thus H-Cl- bond energy is

Heat evolved in the reaction $H subscript 2 end subscript plus C l subscript 2 end subscript rightwards arrow 2 H C l$ is 182kJ Bond energies H-H and Cl-Cl are 430 and 242kJ/mole.respectively Thus H-Cl- bond energy is

chemistry-General

What is the equation for a damped oscillator, where k and b are constants and is x displacement.

What is the equation for a damped oscillator, where k and b are constants and is x displacement.

parallel

In the given reaction $blank subscript z X to the power of A not stretchy rightwards arrow subscript z plus 1 end subscript Y to the power of A not stretchy rightwards arrow subscript z minus 1 end subscript K to the power of A minus 4 end exponent not stretchy rightwards arrow subscript z minus 1 end subscript K to the power of A minus 4 end exponent$ radioactive radiation are emitted in the sequence

In the given reaction $blank subscript z X to the power of A not stretchy rightwards arrow subscript z plus 1 end subscript Y to the power of A not stretchy rightwards arrow subscript z minus 1 end subscript K to the power of A minus 4 end exponent not stretchy rightwards arrow subscript z minus 1 end subscript K to the power of A minus 4 end exponent$ radioactive radiation are emitted in the sequence

physics-General

A hypothetical radioactive nucleus decays according to the following series $blank subscript 72 A to the power of 180 not stretchy rightwards arrow with alpha on top A subscript 1 not stretchy rightwards arrow with beta to the power of minus on top A subscript 2 not stretchy rightwards arrow with alpha on top A subscript 3 not stretchy rightwards arrow with gamma on top A subscript 4$ If the mass number and atomic number of A are respectively 180 and72. Then to atomic number and mass number of A will respectively be

A hypothetical radioactive nucleus decays according to the following series $blank subscript 72 A to the power of 180 not stretchy rightwards arrow with alpha on top A subscript 1 not stretchy rightwards arrow with beta to the power of minus on top A subscript 2 not stretchy rightwards arrow with alpha on top A subscript 3 not stretchy rightwards arrow with gamma on top A subscript 4$ If the mass number and atomic number of A are respectively 180 and72. Then to atomic number and mass number of A will respectively be

physics-General

In the given nuclear reaction represents $blank subscript 92 U to the power of 238 not stretchy rightwards arrow with alpha on top blank subscript B T h to the power of A not stretchy rightwards arrow with beta on top subscript D P a to the power of C not stretchy rightwards arrow with e on top subscript 92 U to the power of 234$

In the given nuclear reaction represents $blank subscript 92 U to the power of 238 not stretchy rightwards arrow with alpha on top blank subscript B T h to the power of A not stretchy rightwards arrow with beta on top subscript D P a to the power of C not stretchy rightwards arrow with e on top subscript 92 U to the power of 234$

physics-General

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