Related Questions to study

Mechanics
Physics

A space s t o n e space t i e d space t o space a space s t r i n g space i s space r o t a t e d space i n space a space c i r c l e. space
I f space t h e space s t r i n g space i s space c u t comma space t h e space s t o n e space f l i e s space a w a y space f r o m space t h e space c i r c l e space b e c a u s e

A space s t o n e space t i e d space t o space a space s t r i n g space i s space r o t a t e d space i n space a space c i r c l e. space
I f space t h e space s t r i n g space i s space c u t comma space t h e space s t o n e space f l i e s space a w a y space f r o m space t h e space c i r c l e space b e c a u s e

PhysicsMechanics
Mechanics
Physics

A space p a r t i c l e space m o v e s space w i t h space c o n s tan t space a n g u l a r space v e l o c i t y space i n space a space c i r c l e. space D u r i n g space t h e space m o t i o n space i t s

A space p a r t i c l e space m o v e s space w i t h space c o n s tan t space a n g u l a r space v e l o c i t y space i n space a space c i r c l e. space D u r i n g space t h e space m o t i o n space i t s

PhysicsMechanics
Mechanics
Physics

A space c a r space m o v i n g space o n space a space h o r i z o n t a l space r o a d space m a y space b e space t h r o w n space o u t space o f space t h e space r o a d space i n space t a k i n g space a space t u r n

A space c a r space m o v i n g space o n space a space h o r i z o n t a l space r o a d space m a y space b e space t h r o w n space o u t space o f space t h e space r o a d space i n space t a k i n g space a space t u r n

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Mechanics
Physics

A space m o t o r space c y c l i s t space g o i n g space r o u n d space i n space a space c i r c u l a r space t r a c k space a t space c o n s tan t space s p e e d space h a s

A space m o t o r space c y c l i s t space g o i n g space r o u n d space i n space a space c i r c u l a r space t r a c k space a t space c o n s tan t space s p e e d space h a s

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Mechanics
Physics

B o d y space i s space m o v i n g space i n space a space c i r c u l a r space p a t h space w i t h space a space c o n s tan t space s p e e d. space I t space h a s space

B o d y space i s space m o v i n g space i n space a space c i r c u l a r space p a t h space w i t h space a space c o n s tan t space s p e e d. space I t space h a s space

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Mechanics
Physics

A space s t o n e space o f space m a s s space 2 m v sin space left parenthesis 90 right parenthesis equals 2 m v space i s space t i e d space t o space a space s t r i n g space o f space l e n g t h omega equals v over r equals 100 over 100 equals 1 rad divided by straight sa n d space r o t a t e d space i n space a space c i r c l e space w i t h space a space c o n s tan t space s p e e d space alpha equals fraction numerator d omega over denominator d t end fraction equals 0. I f space t h e space s t r i n g space i s space r e l e a s e d comma space t h e space s t o n e space f l i e s.

A space s t o n e space o f space m a s s space 2 m v sin space left parenthesis 90 right parenthesis equals 2 m v space i s space t i e d space t o space a space s t r i n g space o f space l e n g t h omega equals v over r equals 100 over 100 equals 1 rad divided by straight sa n d space r o t a t e d space i n space a space c i r c l e space w i t h space a space c o n s tan t space s p e e d space alpha equals fraction numerator d omega over denominator d t end fraction equals 0. I f space t h e space s t r i n g space i s space r e l e a s e d comma space t h e space s t o n e space f l i e s.

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Mechanics
Physics

I f space a space p a r t i c l e space m o v e s space i n space a space c i r c l e space d e s c r i b i n g space e q u a l space a n g l e s space i n space e q u a l space t i m e s comma space i t s space v e l o c i t y space v e c t o r space

I f space a space p a r t i c l e space m o v e s space i n space a space c i r c l e space d e s c r i b i n g space e q u a l space a n g l e s space i n space e q u a l space t i m e s comma space i t s space v e l o c i t y space v e c t o r space

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Mechanics
Physics

A space b o d y space o f space m a s s space n pi D space i s space m o v i n g space i n space a space c i r c l e space o f space r a d i u s space rightwards double arrow 2000 pi D equals 9500 space w i t h space a space c o n s tan t space s p e e d space D equals fraction numerator 9500 over denominator 2000 cross times pi end fraction equals 1.5 straight m. spaceT h e space f o r c e space o n space t h e space b o d y space i s space space a n d space i s space d i r e c t e d space t o w a r d s space t h e space c e n t r e. space space W h a t space i s space t h e space w o r k space d o n e space b y space
t h i s space f o r c e space i n space m o v i n g space t h e space b o d y space o v e r space h a l f space t h e space c i r c u m f e r e n c e space o f space t h e space 7 c i r c l e

A space b o d y space o f space m a s s space n pi D space i s space m o v i n g space i n space a space c i r c l e space o f space r a d i u s space rightwards double arrow 2000 pi D equals 9500 space w i t h space a space c o n s tan t space s p e e d space D equals fraction numerator 9500 over denominator 2000 cross times pi end fraction equals 1.5 straight m. spaceT h e space f o r c e space o n space t h e space b o d y space i s space space a n d space i s space d i r e c t e d space t o w a r d s space t h e space c e n t r e. space space W h a t space i s space t h e space w o r k space d o n e space b y space
t h i s space f o r c e space i n space m o v i n g space t h e space b o d y space o v e r space h a l f space t h e space c i r c u m f e r e n c e space o f space t h e space 7 c i r c l e

PhysicsMechanics
Mechanics
Physics

A space c y c l i s t space t u r n s space a r o u n d space a space c u r v e space a t space 15 space m i l e s divided by h o u r. space I f space h e space t u r n s space a t space d o u b l e space t h e space s p e e d comma space
t h e space t e n d e n c y space t o space o v e r t u r n space i s

A space c y c l i s t space t u r n s space a r o u n d space a space c u r v e space a t space 15 space m i l e s divided by h o u r. space I f space h e space t u r n s space a t space d o u b l e space t h e space s p e e d comma space
t h e space t e n d e n c y space t o space o v e r t u r n space i s

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Grade-7
Physics

A lens always forms a virtual, upright, and diminished image of an object placed in front of it. It is a ____ lens.

A lens always forms a virtual, upright, and diminished image of an object placed in front of it. It is a ____ lens.

PhysicsGrade-7
Grade-7
Physics

What kind of images does a convex lens not form?

What kind of images does a convex lens not form?

PhysicsGrade-7
Grade-7
Physics

The lens of a pair of spectacles used by a person is thinner in the middle and thicker towards the edges. The lens used in the spectacles is ____.

The lens of a pair of spectacles used by a person is thinner in the middle and thicker towards the edges. The lens used in the spectacles is ____.

PhysicsGrade-7
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Grade-7
Physics

A concave lens forms a virtual, upright, and diminished image of an object ____.

A concave lens forms a virtual, upright, and diminished image of an object ____.

PhysicsGrade-7
Grade-7
Physics

A lens can only form a virtual, upright, and diminished images irrespective of the distance between the lens and the object. It is a ____ lens.

A lens can only form a virtual, upright, and diminished images irrespective of the distance between the lens and the object. It is a ____ lens.

PhysicsGrade-7
Grade-7
Physics

In the setup shown in the picture below, the sun rays are focused on a paper by a magnifying glass, which results in the paper catching fire. If the magnifying glass was replaced by a concave lens, the paper does not catch fire. Why?

In the setup shown in the picture below, the sun rays are focused on a paper by a magnifying glass, which results in the paper catching fire. If the magnifying glass was replaced by a concave lens, the paper does not catch fire. Why?

PhysicsGrade-7
parallel

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