Class 11th

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New answer posted

10 months ago

0 Follower 2 Views

R
Raj Pandey

Contributor-Level 9

Bowlers              Batsmen             Wicket Keepers

                   (6)                        (7)                               (2)

     

...more

New answer posted

10 months ago

0 Follower 7 Views

R
Raj Pandey

Contributor-Level 9

A r e a = 1 2 ( 5 1 ) 9 5 4 1 5 1 2 5 x 2 d x

= 1 8 ( 1 4 + 1 0 5 ) 1 2 c o s 1 1 5 0 ( s i n 2 θ ) d θ

A = 1 4 8 + 5 4 5 ( 5 4 c o s 1 1 5 1 2 )

= 5 4 5 5 4 5 4 c o s 1 1 5

α = 5 4 , β = 5 4 , γ = 5 4

| α + β + γ | = 5 4

New answer posted

10 months ago

0 Follower 3 Views

R
Raj Pandey

Contributor-Level 9

R 1 R 1 R 2 , R 2 R 2 R 3

Δ = | a c + 1 b c a b b d 1 c d b c x b + d x + d x + c |

C 1 C 1 C 2 & C 2 C 2 C 3

Δ = | a + 1 b 2 b c a a b b 1 c 2 c b d b c b d c x + c | = | λ + 1 0 λ λ 1 0 λ b λ x + c | , R 1 R 1 R 2

= | 2 0 0 λ 1 0 λ b λ x + c | = 2 λ 2 = 2 λ 2 = 1

New answer posted

10 months ago

0 Follower 3 Views

R
Raj Pandey

Contributor-Level 9

0 = -16 m + c . (i)

| m ( 1 0 ) + C | m 2 + 1 = 2 . . . . . . . . . . . . . ( i i )

(i) & (ii) Þ 36 m2 = 4 (m2 + 1)

m = 1 2 2 , C = 8 2

4 2 ( m + c ) = 3 4

 

New answer posted

10 months ago

0 Follower 3 Views

S
Syed Aquib Ur Rahman

Contributor-Level 10

Aristotle's main flaw was that he did not account for forces already present that keep a body at rest or in motion. In classical antiquity physics, during this philosopher's time, invisible and opposing forces, such as friction and air resistance, were not understood. So, it was natural to resort to observation-based answers that would later get disproved by scientists like Galileo and Newton, who introduced rigorous experimentation and mathematical enquiries.

New answer posted

10 months ago

0 Follower 1 View

S
Syed Aquib Ur Rahman

Contributor-Level 10

Aristotle viewed that a moving body/object would have something external to keep it in motion. Otherwise, that body would stop, as it is the natural state of any object to stay at rest. It was a natural view and a common practical experience for everyone. 

What Aristotle didn't take into consideration was that there are already opposing forces in the natural world, such as friction. A force like friction remains as a net external force in the real world. 

In reality, as we speak, a moving object keeps moving unless something like friction or air slows it down. It's also just like a still object stays still if nothing pushes or

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New answer posted

10 months ago

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A
alok kumar singh

Contributor-Level 10

Hydrogen peroxide reduces iodine to iodide ion is basic medium as;

H 2 O 2 + 2 O H + l 2 O 2 + 2 l + 2 H 2 O

New answer posted

10 months ago

0 Follower 4 Views

R
Raj Pandey

Contributor-Level 9

0 = 16 m + c . (i)

  | m ( ? 1 0 ) + C | m 2 + 1 = 2 . . . . . . . . . . . . . ( i i )

(i) & (ii) 36 m2 = 4 (m2 + 1)

m = 1 2 2 , C = 8 2

4 2 ( m + c ) = 3 4

New question posted

10 months ago

0 Follower 2 Views

New answer posted

10 months ago

0 Follower 2 Views

S
Syed Aquib Ur Rahman

Contributor-Level 10

Yes, all objects have inertia. It does not depend on whether they are moving or not. Inertia is an object's inherent resistance to any change in its state of motion.

For an object at rest, its inertia is its tendency to remain at rest. A force is required to overcome this inertia and set the object in motion. 

The amount of inertia an object has is determined by its mass. The more massive an object is, the more it resists a change in its state of motion. We can also say that this heavier object has greater inertia.

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