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

2Thank You

ANSWER

Find the value of (10²) -³ ?

Posted by Biswanath Dixit 3 years ago

CBSE > Class 11 > Physics

1 answers

Hydery Zikra 2 years, 10 months ago

10'-6

0Thank You

ANSWER

Hjfu

Posted by Muskan Muskan 3 years ago

CBSE > Class 11 > Physics

1 answers

Biswanath Dixit 3 years ago

Maa chuda

3Thank You

ANSWER

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 ago

CBSE > Class 11 > Physics

1 answers

Muskan Muskan 3 years ago

Please answer me

4Thank You

ANSWER

1 AU = ?

Posted by Neetu Kushwaha 3 years ago

CBSE > Class 11 > Physics

1 answers

Nikita Swami 3 years ago

1.496×10^11m

1Thank You

ANSWER

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 ago

CBSE > Class 11 > Physics

1 answers

Shashank Shashank Gautam 3 years ago

I don't know 💩

0Thank You

ANSWER

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 ago

CBSE > Class 11 > Physics

0 answers

ANSWER

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 ago

CBSE > Class 11 > Physics

4 answers

Krishna Krishna 3 years ago

10m/s

0Thank You

Shashank Shashank Gautam 3 years ago

Jai mata 's di

0Thank You

Shashank Shashank Gautam 3 years ago

Nahi pata

0Thank You

Vivek Joshi 3 years ago

10 m/s

0Thank You

ANSWER

Difference between vector and spectrum?

Posted by Sukhmani Kaur Gill 3 years ago

CBSE > Class 11 > Physics

1 answers

Mr. Phb 2 years, 11 months ago

I don't know

0Thank You

ANSWER

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

Posted by Sheeba Javed 3 years ago

CBSE > Class 11 > Physics

2 answers

Neetu Kushwaha 3 years ago

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

0Thank You

Shashank Shashank Gautam 3 years ago

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

0Thank You

ANSWER

differentiation of sin(x^2)

Posted by Shyamo Singh 3 years ago

CBSE > Class 11 > Physics

1 answers

Nikita Swami 3 years ago

2x.cosx^2

0Thank You

ANSWER

Define one Newton

Posted by Chesrang Marak 3 years ago

CBSE > Class 11 > Physics

1 answers

Shyamo Singh 3 years ago

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

0Thank You

ANSWER

Define one low of Newton

Posted by Chesrang Marak 2 years, 8 months ago

CBSE > Class 11 > Physics

1 answers

Preeti Dabral 2 years, 8 months ago

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

0Thank You

ANSWER

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 ago

CBSE > Class 11 > Physics

2 answers

Account Deleted 3 years 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.

1Thank You

Shyamo Singh 3 years ago

What to find?? Full question pls!!

2Thank You

ANSWER

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 ago

CBSE > Class 11 > Physics

0 answers

ANSWER

Significant figure of 0.007m to power 2

Posted by [email protected] [email protected] 2 years, 8 months ago

CBSE > Class 11 > Physics

1 answers

Preeti Dabral 2 years, 8 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.

0Thank You

ANSWER

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 ago

CBSE > Class 11 > Physics

1 answers

[email protected] [email protected] 3 years ago

63 km/h

3Thank You

ANSWER

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 ago

CBSE > Class 11 > Physics

0 answers

ANSWER

Notes of first chapter

Posted by Khushi Panwar 3 years, 1 month ago

CBSE > Class 11 > Physics

1 answers

Kumar Pratyush 3 years, 1 month ago

Unit measurement and dimensions

1Thank You

ANSWER

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, 1 month ago

CBSE > Class 11 > Physics

1 answers

Isha Nia 3 years, 1 month 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

1Thank You

ANSWER

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

Posted by Damini Damini 3 years, 1 month ago

CBSE > Class 11 > Physics