What is Instantaneous Velocity?

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Aayush Asked Feb 2

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Under what condition the instantaneous velocity of a body is equal to its average velocity.

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What advantages do market participants gain from same-day settlement and eventual instantaneous settlement, and how do these benefits impact the financial landscape?

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With what velocity should an $\alpha$-particle travel towards the nucleus of a copper atom

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Aayush Asked Apr 11

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What is Velocity?

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What is Average Velocity?

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Barjes Yadav Asked Feb 22

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What is the momentum of an object of mass m, moving with a velocity v?

Barjes Yadav Asked Feb 22

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Barjes Yadav Asked Feb 22

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A stone of 1 kg is thrown with a velocity of 20 m s¹ across the frozen surface of a lake and comes to rest after travelling a distance of 50 m. What is the force of friction between the stone and the ice?

Barjes Yadav Asked Feb 22

by Barjes Yadav

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ALOK_RAJ Asked Dec 21, 2023

99 views

What is the dimension of the term S_n used in 4th equation of motion (distance or velocity)? Is the equation dimensionally correct? Prove its dimensional correctness.

ALOK_RAJ Asked Dec 21, 2023

by ALOK_RAJ

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Ankit Asked Aug 2, 2022

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Two straight lines drawn on the same x-t curve make angles 30° and 60° with time axis. Which line represents greater velocity? What is the ratio of the two velocities?

Ankit Asked Aug 2, 2022

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1 Answer

3 Votes

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ALOK_RAJ Asked Aug 31, 2023

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The rms velocity of hydrogen is $\sqrt{7}$ times the rms velocity of nitrogen. If T is the temperature of the gas, then :

ALOK_RAJ Asked Aug 31, 2023

by ALOK_RAJ

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Chandan Asked Sep 16, 2023

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Differences Between Instantaneous Speed and Average Speed.

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ANAND_YADAV Asked Aug 8, 2023

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Calculate the velocity of the electron in the first Bohr orbit in a hydrogen atom.

ANAND_YADAV Asked Aug 8, 2023

by ANAND_YADAV

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Aayush Asked Apr 7

38 views

Explain, Why is it difficult for a fireman to hold a hose, which ejects large amount of water at a high velocity?

Aayush Asked Apr 7

by Aayush

2 Answers

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38 Views

Barjes Yadav Asked Feb 22

42 views

A hockey ball of mass 200 g travelling at 10 m s-¹ is struck by a hockey stick so as to return it along its original path with a velocity at 5 m s-¹. Calculate the change of momentum occurred in the motion of the hockey ball by the force applied by the hockey stick.

Barjes Yadav Asked Feb 22

by Barjes Yadav

1 Answer

0 Votes

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Aayush Asked Feb 20

87 views

A stone is released from the top of a tower of height 19.6 m. Calculate its final velocity just before touching the ground?

Aayush Asked Feb 20

by Aayush

1 Answer

0 Votes

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Barjes Yadav Asked Feb 11

137 views

From a rifle of mass 4 kg, a bullet of mass 50 g is fired with an initial velocity of 35 m s¹. Calculate the velocity of the rifle.

Barjes Yadav Asked Feb 11

by Barjes Yadav

1 Answer

0 Votes

137 Views

Ankit Asked Oct 1, 2023

74 views

If the acceleration is directed opposite to the direction of initial velocity, then acceleration is taken as —

Ankit Asked Oct 1, 2023

by Ankit

1 Answer

0 Votes

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Ankit Asked Oct 1, 2023

100 views

If a body moves with uniform velocity (that is, if f=0 ) then distance travelled —

Ankit Asked Oct 1, 2023

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1 Answer

0 Votes

100 Views

Chandan Asked Sep 11, 2023

28 views

A projectile is given an initial velocity of $\hat{i}+2 \hat{j}$. The cartesian equation of its path is —

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1 Answer

0 Votes

28 Views

Chandan Asked Aug 2, 2023

147 views

A hoop of radius r and mass m rotating with an angular velocity ω_0 is placed on a rough horizontal surface

Chandan Asked Aug 2, 2023

by Chandan

1 Answer

0 Votes

147 Views

ANAND_YADAV Asked Aug 2, 2023

73 views

The position vector of a particle is given as $\vec{r}=\left(t^{2}-4 t+6\right) \hat{i}+\left(t^{2}\right) \hat{j}$. The time after which the velocity vector and acceleration vector becomes perpendicular to each other is equal to

ANAND_YADAV Asked Aug 2, 2023

by ANAND_YADAV

1 Answer

0 Votes

73 Views

ANAND_YADAV Asked Aug 2, 2023

125 views

The maximum velocity of a particle executing simple harmonic motion is v.

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ANAND_YADAV Asked Jul 30, 2023

205 views

An electron which is moving with a velocity of $5 \times 10^6 {m} / {sec}$ emerges from a sheet of paper of thickness $2.1 \times 10^{-4} {~cm}$. with a velocity of $2 \times 10^6 {~m} / {sec}$.

ANAND_YADAV Asked Jul 30, 2023

by ANAND_YADAV

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205 Views

AnjaliYadav Asked Nov 1, 2022

116 views

Is it correct that the average velocity is always equal to the mean value of the initial and final velocities.

AnjaliYadav Asked Nov 1, 2022

by AnjaliYadav

1 Answer

1 Vote

116 Views

Barjes Yadav Asked Feb 22

55 views

A large truck and a car, both moving with a velocity of magnitude v, have a head-on collision and both of them come to a halt after that. If the collision lasts for 1 s:

Barjes Yadav Asked Feb 22

by Barjes Yadav

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Barjes Yadav Asked Feb 22

66 views

A bullet of mass 10 g travelling horizontally with a velocity of 150 m s¹ strikes a stationary wooden block and comes to rest in 0.03 s. Calculate the distance of penetration of the bullet into the block. Also calculate the magnitude of the force exerted by the wooden block on the bullet.

Barjes Yadav Asked Feb 22

by Barjes Yadav

1 Answer

0 Votes

66 Views

Aayush Asked Feb 8

69 views

If velocity of light C, the gravitational constant G and plank's constant h be chosen as the fundamental units, then find the dimensions of mass, length and time in the new system.

Aayush Asked Feb 8

by Aayush

1 Answer

0 Votes

69 Views

Chandan Asked Oct 6, 2023

47 views

In the equation of velocity of sound $V=\sqrt{\frac{\gamma P}{p}}$ obtain the dimension of $\gamma$, where $P$ and $\rho$ represent pressure and density respectively.

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Chandan Asked Aug 4, 2023

67 views

Force acting on a particle moving in a straight line varies with the velocity of the particle $\nu$ as $F \equiv \frac{K}{v}$.

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1 Answer

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A particle of charge $-16 \times 10^{-18}$ coulomb moving with velocity $10 {m} {s}^{-1}$ along the $X$-axis enters a region

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If force and mass and length are taken as fundamental units, then calculate the dimension of velocity.

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What is the number of molecules in 0.25 moles of oxygen?

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What is Instantaneous Velocity?

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