What is the ratio of velocity to speed?

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Aayush Asked Feb 2

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AnjaliYadav Asked Nov 1, 2022

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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

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1 Answer

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Aayush Asked Apr 11

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A man travels one third length of a straight road with a constant speed of 40 m/sec. and the remaining portion of the road with a constant speed of 60 m/sec, then calculate its average speed.

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AnjaliYadav Asked Aug 20, 2022

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A car moves on a straight road for first half time with the constant speed of 20m / sec. and the next half time with a constant speed of 60m / sec, then calculate average speed.

AnjaliYadav Asked Aug 20, 2022

by AnjaliYadav

1 Answer

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ANAND_YADAV Asked Jul 30, 2023

180 views

A ball is dropped on a floor from a height of 5 meter. It rebounds to a height of $3.2$ metre. If the ball as in contact with the floor for $0.1 sec$.,

ANAND_YADAV Asked Jul 30, 2023

by ANAND_YADAV

1 Answer

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AnjaliYadav Asked Nov 1, 2022

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A small ball is dropped from a height 100m on a floor. The ball rebounds to a height of 20 meter.

AnjaliYadav Asked Nov 1, 2022

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1 Answer

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AnjaliYadav Asked Oct 31, 2022

85 views

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

AnjaliYadav Asked Oct 31, 2022

by AnjaliYadav

1 Answer

1 Vote

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Ankit Asked Oct 1, 2023

69 views

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

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ALOK_RAJ Asked Aug 6, 2023

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What is the Speed of Sound in Water?

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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 7

30 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

0 Votes

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AnjaliYadav Asked Jan 22, 2022

82 views

चाल और वेग में अंतर स्पष्ट करें। Chaal Aur Veg Mein Antar Spasht Karen.

AnjaliYadav Asked Jan 22, 2022

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0 Answers

9 Votes

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AnjaliYadav Asked Jan 22, 2022

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चाल और वेग में किन्ही तीन अंतर स्पष्ट करें? Chaal Aur Veg Mein Kinheen Teen Antar Spasht Karen?

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1 Answer

6 Votes

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Rishav Raj Asked Sep 7, 2021

168 views

चाल और वेग में क्या अंतर है? Chaal Aur Veg Mein Kya Antar Hai?

Rishav Raj Asked Sep 7, 2021

by Rishav Raj

1 Answer

7 Votes

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Ankit Asked Oct 2, 2023

123 views

On a 120 km track, a train travels the first 30 km at a uniform speed of 30 km/h. How fast must the train travel the next 90 km so as to average 60 km/h for the entire trip?

Ankit Asked Oct 2, 2023

by Ankit

1 Answer

0 Votes

123 Views

AnjaliYadav Asked Aug 23, 2022

210 views

The speed of a train changes from 36 km/h to 72 km/h in 10 sec. Calculate the distance travelled during this time.

AnjaliYadav Asked Aug 23, 2022

by AnjaliYadav

1 Answer

3 Votes

210 Views

Aayush Asked Feb 20

80 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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Mihir verma Asked Apr 3, 2022

158 views

Which of the following statements is false for a particle moving in a circle with a constant angular speed?

Mihir verma Asked Apr 3, 2022

by Mihir verma

1 Answer

5 Votes

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Aayush Asked Apr 11

25 views

What is a Speed?

Aayush Asked Apr 11

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23 views

What is Velocity?

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1 Answer

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Chandan Asked Aug 2, 2023

143 views

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

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1 Answer

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ANAND_YADAV Asked Jul 30, 2023

199 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

1 Answer

0 Votes

199 Views

Ankit Asked Oct 1, 2023

116 views

A car travels 30 km at a uniform speed of 40 km/h and the next speed of 20 km/h. Find its average speed.

Ankit Asked Oct 1, 2023

by Ankit

1 Answer

0 Votes

116 Views

Ranjesh Kumar Asked Dec 31, 2021

124 views

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

Ranjesh Kumar Asked Dec 31, 2021

by Ranjesh Kumar

1 Answer

5 Votes

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Ankit Asked Oct 2, 2023

62 views

A scooterist covers a distance of 3 kilometres in 5 minutes. Calculate his speed in

Ankit Asked Oct 2, 2023

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1 Answer

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Ankit Asked Oct 1, 2023

96 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

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Ankit Asked Aug 2, 2022

139 views

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?

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1 Answer

3 Votes

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Aayush Asked Feb 2

47 views

What is the ratio of distance to displacement?

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1 Answer

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Chandan Asked Aug 22, 2023

113 views

The speed of a certain proton is $4.5 \times 10^{5} ms ^{-1}$. If the uncertainty in its momentum is to be reduced to 0.010 percent, what uncertainty in its location must be tolerated?

Chandan Asked Aug 22, 2023

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1 Answer

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Saurabh Kumar Verma Asked May 1, 2022

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What wavelength must electromagnetic radiation have if a photon in the beam is to have the same momentum as an electron moving at a speed

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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?

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Chandan Asked Sep 15, 2023

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Two elements X (at. mass =16) and Y (at. mass =14) combine to form compounds A, B and C. The ratio of different masses of Y which combines with a fixed mass of X in A, B and C is 1: 3: 5.

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1 Answer

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ALOK_RAJ Asked Aug 18, 2023

188 views

Compressibility Factor : The ratio of the observed volume of a gas to the calculated volume under given conditions of temperature ano pressure is knwon as compressibilty Factor(Z) of the gas.

ALOK_RAJ Asked Aug 18, 2023

by ALOK_RAJ

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188 Views

Chandan Asked Aug 9, 2023

177 views

A4: 1 molar ratio mixture of helium and methane is contained in a vessel at 10 bar pressure. Due to a hole in the vessel, the gas mixture leaks out. The molar ratio composition of the mixture effusing out initially is :

Chandan Asked Aug 9, 2023

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1 Answer

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177 Views

ANAND_YADAV Asked Aug 8, 2023

97 views

According to Graham's law at a given temperature, the ratio of the rates of diffusion of gases A and B is given by :

ANAND_YADAV Asked Aug 8, 2023

by ANAND_YADAV

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0 Votes

97 Views

ANAND_YADAV Asked Aug 8, 2023

229 views

The ratio of the rate of diffusion of a given element to that of helium is 1.4. The molecular weight of the element is (under same temperature and pressure)

ANAND_YADAV Asked Aug 8, 2023

by ANAND_YADAV

1 Answer

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229 Views

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