JEE Mains Physics 2002-2019 Solved Video Solutions
A force acts on a 2 kg object so that its position is given as a function of time as x=3t^2+5. What is the work done by this force in first 5 seconds ?
27
Oct
A force acts on a 2 kg object so that its position is given as a function of time as x=3t^2+5. What is the work done by this force in first 5 seconds ? A force acts on a 2 kg object so that its position is given as a function of time as x=3t^2+5. [...]
Three blocks A, B and C are lying on a smooth horizontal surface, as shown in the figure. A and B have equal masses, m while C has mass M. Block A is given an initial speed v towards B due to which it collides with B perfectly inelastically. The combined mass collides with C, also perfectly inelastically 5/6th of the initial kinetic energy is lost in whole process. What is value of M/M?
27
Oct
Three blocks A, B and C are lying on a smooth horizontal surface, as shown in the figure. A and B have equal masses, m while C has mass M. Block A is given an initial speed v towards B due to which it collides with B perfectly inelastically. The combined mass collides with C, [...]
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JEE Mains Physics 2002-2019 Solved Video Solutions
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also perfectly inelastically 5/6th of the initial kinetic energy is lost in whole process. What is value of M/M? ,
as shown in the figure. A and B have equal masses ,
B and C are lying on a smooth horizontal surface ,
m while C has mass M. Block A is given an initial speed v towards B due to which it collides with B perfectly inelastically. The combined mass collides with C ,
Three blocks A ,
A man mass = 50 kg and his son mass =20 kg are standing on a frictionless surface facing each other. The man pushes his son so that he starts moving at a speed of 0.70 ms^–1 with respect to the man. The speed of the man with respect to the surface is :
27
Oct
A man mass = 50 kg and his son mass =20 kg are standing on a frictionless surface facing each other. The man pushes his son so that he starts moving at a speed of 0.70 ms^–1 with respect to the man. The speed of the man with respect to the surface is : A [...]
Two particles of masses M and 2M moving as shown with speeds of 10 m/s and 5 m/s collide elastically at the origin. After the collision they move along the indicated directions with speeds v1 and v2 respectively are nearly :
27
Oct
Two particles of masses M and 2M moving as shown with speeds of 10 m/s and 5 m/s collide elastically at the origin. After the collision they move along the indicated directions with speeds v1 and v2 respectively are nearly : A body of mass m=10−2kg is moving in a medium and experiences a frictional [...]
A particle of mass m is moving with speed 2v and collides with a mass 2m moving with speed v in the same direction. After collision the first mass is stopped completely while the second one splits into two particles each of mass m which move at angle 45^° with respect to the original direction. The speed of each of the moving particle will be
27
Oct
A particle of mass m is moving with speed 2v and collides with a mass 2m moving with speed v in the same direction. After collision the first mass is stopped completely while the second one splits into two particles each of mass m which move at angle 45^° with respect to the original direction. [...]
A body of mass m1 moving with an unknown velocity of v1i ^, undergoes a collinear collision with a body of mass m2 moving with a velocity v2 i ^. After collision, m1 and m2 move with velocities of v3 i ^ and v 4i ^ , respectively. If m2 =0.5 m1 and v 3 = 0.5v1 then v1 is :-
27
Oct
A body of mass m1 moving with an unknown velocity of v1i ^, undergoes a collinear collision with a body of mass m2 moving with a velocity v2 i ^. After collision, m1 and m2 move with velocities of v3 i ^ and v 4i ^ , respectively. If m2 =0.5 m1 and v [...]
A particle moves in one dimension from rest under the influence of a force that varies with the distance travelled by the particle as shown in the figure. The kinetic energy (in J) of the particle after it has travelled 3 m is
27
Oct
A particle moves in one dimension from rest under the influence of a force that varies with the distance travelled by the particle as shown in the figure. The kinetic energy (in J) of the particle after it has travelled 3 m is A body of mass m=10−2kg is moving in a medium and experiences [...]
Three identical blocks of masses m=2kg are drawn by a force F=10.2N with an acceleration of 0.6ms^−2 on a frictionless surface, then what is the tension (in N) in the string between the blocks B and C?
27
Oct
Three identical blocks of masses m=2kg are drawn by a force F=10.2N with an acceleration of 0.6ms^−2 on a frictionless surface, then what is the tension (in N) in the string between the blocks B and C? then what is the tension (in N) in the string between the blocks B and C? Three identical [...]
The minimum velocity (in ms^(-1))` with which a car driver must traverse a flat curve of radius 150m and coefficient of friction 0.6 to avoid skidding is
27
Oct
The minimum velocity (in ms^(-1))` with which a car driver must traverse a flat curve of radius 150m and coefficient of friction 0.6 to avoid skidding is The minimum velocity (in ms^(-1))` with which a car driver must traverse a flat curve of radius 150m and coefficient of friction 0.6 to avoid skidding is October [...]
A light spring balance hangs from the hook of the other light spring balance and a block of mass M kg hangs from the former one. Then the true statement about the scale reading is
27
Oct
A light spring balance hangs from the hook of the other light spring balance and a block of mass M kg hangs from the former one. Then the true statement about the scale reading is A light spring balance hangs from the hook of the other light spring balance and a block of mass M [...]