CBSE > Class 11 > Physics | CBSE Board | Homework Help

A/c to principal of homogenity- F=a√L =)MLT^-2=a√L =)a=MLT^-2÷L^1/2 =)a=MLT^-2×L^-1/2 a=ML^1/2T^-2 F=bt^2=a√x MLT^-2=bT^2 =)b=MLT^-2÷T^2 =)b=MLT^-4 ANS-:a/b=ML^1/2T^-2÷MLT^-4 =L^-1/2T^2

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Find the value of (10²) -³ ?

Posted by Biswanath Dixit 3 years, 3 months ago

CBSE > Class 11 > Physics

1 answers

Hydery Zikra 3 years, 1 month ago

10'-6

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Hjfu

Posted by Muskan Muskan 3 years, 3 months ago

CBSE > Class 11 > Physics

1 answers

Biswanath Dixit 3 years, 3 months ago

Maa chuda

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Find the angle between the vector a=i cap+2j cap+k cap vector b=i cap +j cap-2kcap

Posted by Muskan Muskan 3 years, 3 months ago

CBSE > Class 11 > Physics

1 answers

Muskan Muskan 3 years, 3 months ago

Please answer me

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1 AU = ?

Posted by Neetu Kushwaha 3 years, 3 months ago

CBSE > Class 11 > Physics

1 answers

Nikita Swami 3 years, 3 months ago

1.496×10^11m

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The displacement x of a particle varies with times as 4t²-15t+25.find the velocity and accelaration of the particle at t=0.

Posted by Suanghu Panmei 3 years, 3 months ago

CBSE > Class 11 > Physics

1 answers

Shashank Shashank Gautam 3 years, 3 months ago

I don't know 💩

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A car accelerates uniformly from rest toa speed of 100 km/ h in 18 S . (a) find the acceleration of the car . (b) find the distance that the car travels . (C)if the car brakes to a full stop over a distance of 100m ,then find its uniform deceleration

Posted by Uma Kannan 3 years, 3 months ago

CBSE > Class 11 > Physics

0 answers

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If object start from the rest. And find the maximum velocity of the object. Acceleration=10 and time=1 sec

Posted by Shivani Kumari 3 years, 3 months ago

CBSE > Class 11 > Physics

4 answers

Krishna Krishna 3 years, 3 months ago

10m/s

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Shashank Shashank Gautam 3 years, 3 months ago

Jai mata 's di

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Shashank Shashank Gautam 3 years, 3 months ago

Nahi pata

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Vivek Joshi 3 years, 3 months ago

10 m/s

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Difference between vector and spectrum?

Posted by Sukhmani Kaur Gill 3 years, 3 months ago

CBSE > Class 11 > Physics

1 answers

Mr. Phb 3 years, 2 months ago

I don't know

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Find the dimensional formula a,b,c V=at3 + bt2 + c/d+t

Posted by Sheeba Javed 3 years, 3 months ago

CBSE > Class 11 > Physics

2 answers

Neetu Kushwaha 3 years, 3 months ago

A=LT-4, B=LT-3, D=T , C=L

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Shashank Shashank Gautam 3 years, 3 months ago

Question achha hai par Karne ka man nahi Kar Raha hai🥱

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differentiation of sin(x^2)

Posted by Shyamo Singh 3 years, 3 months ago

CBSE > Class 11 > Physics

1 answers

Nikita Swami 3 years, 3 months ago

2x.cosx^2

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Define one Newton

Posted by Chesrang Marak 3 years, 3 months ago

CBSE > Class 11 > Physics

1 answers

Shyamo Singh 3 years, 3 months ago

It is defined as a force which is acting on a body of mass 1Kg produces an accelaration of 1m/s^2.

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Define one low of Newton

Posted by Chesrang Marak 2 years, 11 months ago

CBSE > Class 11 > Physics

1 answers

Preeti Dabral 2 years, 11 months ago

One newton is defined as the force which produces an acceleration of 1 ms^-2 in a body of mass 1 kg.

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A drunkard walking in a narrow lane takes 5 steps forward and 3 steps backward,followed again by 5 steps forward and 3 steps backward, and so on. Each step is 1 m long and requires 1 s.

Posted by Account Deleted 3 years, 3 months ago

CBSE > Class 11 > Physics

2 answers

Account Deleted 3 years, 3 months ago

A drunkard walking in a narrow lane takes 5 steps forward and 3 steps backward, followed again by 5 steps forward and 3 steps backward, and so on. Each step is 1m long and requires 1s. Plot the x-t graph of his motion. Determine graphically and otherwise how long the drunkard takes to fall in a pit 13m away from the start.

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Shyamo Singh 3 years, 3 months ago

What to find?? Full question pls!!

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The readings of a length of a table come out to be 3.63m, 3.56m, 3.42m,3.44m, 3.71m and 3.80m. Calculate the absolute error, relative error and percentage error.

Posted by Sky Haneul 3 years, 3 months ago

CBSE > Class 11 > Physics

0 answers

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Significant figure of 0.007m to power 2

Posted by [email protected] [email protected] 2 years, 11 months ago

CBSE > Class 11 > Physics

1 answers

Preeti Dabral 2 years, 11 months ago

The given quantity is 0.007 m2. If the number is less than one, then all zeros on the right of the decimal point (but left to the first non-zero) are insignificant. This means that here, two zeros after the decimal are not significant. Hence, only 7 is a significant figure in this quantity.

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A body covers half of total distance with a speed of 54km/h and half of distance 72km/h . Find average speed

Posted by Varkha Kaur 3 years, 3 months ago

CBSE > Class 11 > Physics

1 answers

[email protected] [email protected] 3 years, 3 months ago

63 km/h

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A cyclist start from the centre o of a circular path of radius 1km . Reaches the edge of the path then cycles along the circumference and returns to the centre along QO as shown in the figure if the round trip takes 10 min A)at displacement o B)av. Velocity C)av speed of cyclist

Posted by Mohammed Shaheer 3 years, 3 months ago

CBSE > Class 11 > Physics

0 answers

ANSWER

Notes of first chapter

Posted by Khushi Panwar 3 years, 4 months ago

CBSE > Class 11 > Physics

1 answers

Kumar Pratyush 3 years, 4 months ago

Unit measurement and dimensions

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A stone is released from top of the tower of height 19.6 m.Calculate its final velocity before reaching the ground

Posted by Thanujkumar 2009 3 years, 4 months ago

CBSE > Class 11 > Physics

1 answers

Isha Nia 3 years, 3 months ago

Here, Initial velocity u=0 final velocity v=? (to be calculated ) Acceleration due to gravity g=9.8m/s2 Height = 19.6 m V²= u²+2gh = 0²+2(9.8)(19.6) = 19.6(19.6) = (19.6)² V = 19.6m/s

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All derivation used in ch work power and energy including 2mgh etc

Posted by Damini Damini 3 years, 4 months ago

CBSE > Class 11 > Physics