Question Answers
Sahay Sir > Question Answers
if a=2i+3j and b=i+j find (i) a,b, (ii)a x b,and(iii) b x a
23
Aug
if a=2i+3j and b=i+j find (i) a,b, (ii)a x b,and(iii) b x a (ii)a x b and(iii) b x a B if a=2i+3j and b=i+j find (i) a August 23, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Infinite number of bricks are placed one over the other as shown in the figure. Each succeeding brick having half the length and breadth of its preceding brick and the mass of each succeeding bricks being (1//4)^(th) of the preceding one. Taking ‘O’ as the origin, the x coordinate of centre of mass of the system of bricks is at
23
Aug
Infinite number of bricks are placed one over the other as shown in the figure. Each succeeding brick having half the length and breadth of its preceding brick and the mass of each succeeding bricks being (1//4)^(th) of the preceding one. Taking ‘O’ as the origin, the x coordinate of centre of mass of the [...]
A block B is at rest the rough horizontal surface as shown.Another block A collides with B. Then, which of the following statement is correct?
23
Aug
A block B is at rest the rough horizontal surface as shown.Another block A collides with B. Then, which of the following statement is correct? A block B is at rest the rough horizontal surface as shown.Another block A collides with B. Then which of the following statement is correct? August 23, 2020 Category: Uncategorised [...]
From a 16 cm x 8 cm rectangular uniform plane sheet, exactly one quarter of the sheet is removed as shown in figure. If the origin be taken at the centre of the sheet considered as shown in the figure the coordinates of the centre of mass of the remaining sheet is
23
Aug
From a 16 cm x 8 cm rectangular uniform plane sheet, exactly one quarter of the sheet is removed as shown in figure. If the origin be taken at the centre of the sheet considered as shown in the figure the coordinates of the centre of mass of the remaining sheet is A circular are [...]
A circular are (AB) of thin wire frame of radius R and mass M makes an angle of 90 degree at the origin.The centre of mass of the arc lies at
23
Aug
A circular are (AB) of thin wire frame of radius R and mass M makes an angle of 90 degree at the origin.The centre of mass of the arc lies at A circular are (AB) of thin wire frame of radius R and mass M makes an angle of 90^(@) at the origin.The centre of [...]
he coordinates of the initial point of a vector are (1,2) and those of the terminal pt. are (5,9).Find the magnitude and direction of the vector.
23
Aug
he coordinates of the initial point of a vector are (1,2) and those of the terminal pt. are (5,9).Find the magnitude and direction of the vector. 2) and those of the terminal pt. are (5 9).Find the magnitude and direction of the vector. he coordinates of the initial point of a vector are (1 August [...]
A block of mass m is pushed towards a movable wedge of mass nm and height h, with a velocity u. All surfaces are smooth. The minimum value of u for which the block will reach the top of the wedge is
23
Aug
A block of mass m is pushed towards a movable wedge of mass nm and height h, with a velocity u. All surfaces are smooth. The minimum value of u for which the block will reach the top of the wedge is A block of mass m is pushed towards a movable wedge of mass [...]
A ping-pong ball of mass m is floating in air by a jet of water emerging out of a nozzle. If the water strikes the ping-gong ball with a speed v and just after collision water falls dead, the rate of flow of water in the nozzle is equal to
23
Aug
A ping-pong ball of mass m is floating in air by a jet of water emerging out of a nozzle. If the water strikes the ping-gong ball with a speed v and just after collision water falls dead, the rate of flow of water in the nozzle is equal to A ping-pong ball of mass [...]
A particle of mass m is released from height h on smooth quarter circular fixed wedge. The horizontal surface AB following the circular path at bottom of wedge is rough with coefficient of friction mu between surface and m. Find the distance from bottom of wedge where the mass will stop.
23
Aug
A particle of mass m is released from height h on smooth quarter circular fixed wedge. The horizontal surface AB following the circular path at bottom of wedge is rough with coefficient of friction mu between surface and m. Find the distance from bottom of wedge where the mass will stop. An iron ball of [...]
Tags:
An iron ball of mass m ,
if e is the coefficient of restitution ,
is ,
is shifted by theta_(0) as shown so as to strike the vertical wail perpendicularly.The maximum angle made by the string with vertical after the first collision ,
suspended by a light inextensible string of length l from a fixed point O ,
An iron ball of mass m, suspended by a light inextensible string of length l from a fixed point O, is shifted by theta_(0) as shown so as to strike the vertical wail perpendicularly.The maximum angle made by the string with vertical after the first collision, if e is the coefficient of restitution, is
23
Aug
An iron ball of mass m, suspended by a light inextensible string of length l from a fixed point O, is shifted by theta_(0) as shown so as to strike the vertical wail perpendicularly.The maximum angle made by the string with vertical after the first collision, if e is the coefficient of restitution, is An [...]
Tags:
An iron ball of mass m ,
if e is the coefficient of restitution ,
is ,
is shifted by theta_(0) as shown so as to strike the vertical wail perpendicularly.The maximum angle made by the string with vertical after the first collision ,
suspended by a light inextensible string of length l from a fixed point O ,