Part 1
A variable force, given by the 2- dimensional vector F¯¯¯=(3×^2iˆ+4jˆ), acts on a particle. The force is in newton and x is in metre. What is the change in the kinetic energy of the particle as it moves from the point with coordinates (2,3) to (3,0) (The coordinates are in metres)
27
Oct
A variable force, given by the 2- dimensional vector F¯¯¯=(3×^2iˆ+4jˆ), acts on a particle. The force is in newton and x is in metre. What is the change in the kinetic energy of the particle as it moves from the point with coordinates (2,3) to (3,0) (The coordinates are in metres) 0) (The coordinates are [...]
A particle of mass ‘m’ at rest is acted upon by a force ‘p’ for a time ‘t’. Its kinetic energy after an interval ‘t’ is
27
Oct
A particle of mass ‘m’ at rest is acted upon by a force ‘p’ for a time ‘t’. Its kinetic energy after an interval ‘t’ is A particle of mass 'm' at rest is acted upon by a force 'p' for a time 't'. Its kinetic energy after an interval 't' is October 27, 2020 [...]
The displacement (x) and time (t) for a particle are related to each other as t = root x+3. What is the work done in the first six seconds of its motion?
27
Oct
The displacement (x) and time (t) for a particle are related to each other as t = root x+3. What is the work done in the first six seconds of its motion? The displacement (x) and time (t) for a particle are related to each other as t = root x+3. What is the work [...]
Two bodies of masses 4 kg and 5 kg are moving with equal momentum. Then the ratio of their respective kinetic energies is
27
Oct
Two bodies of masses 4 kg and 5 kg are moving with equal momentum. Then the ratio of their respective kinetic energies is Two bodies of masses 4 kg and 5 kg are moving with equal momentum. Then the ratio of their respective kinetic energies is October 27, 2020 Category: Chapter 6 - Work, Energy [...]
In the non-relativistic regime, if the momentum, is increased by 100%, the percentage increase in kinetic energy is
27
Oct
In the non-relativistic regime, if the momentum, is increased by 100%, the percentage increase in kinetic energy is if the momentum In the non-relativistic regime is increased by 100% the percentage increase in kinetic energy is October 27, 2020 Category: Chapter 6 - Work, Energy and Power , MTG NEET Physics , Part 1 ,
A bomb of mass 9kg explodes into two pieces of masses 3kg and 6kg. The velocity of mass 3kg is 16ms^−1. The kinetic energy of mass 6kg in joule is
27
Oct
A bomb of mass 9kg explodes into two pieces of masses 3kg and 6kg. The velocity of mass 3kg is 16ms^−1. The kinetic energy of mass 6kg in joule is A bomb of mass 9kg explodes into two pieces of masses 3kg and 6kg. The velocity of mass 3kg is 16ms^−1. The kinetic energy of [...]
A particle of mass 4 m which is at rest explodes into three fragments. Two of the fragments each of mass m move with a speed v each in mutually perpendicular directions. The total energy released in the process is
27
Oct
A particle of mass 4 m which is at rest explodes into three fragments. Two of the fragments each of mass m move with a speed v each in mutually perpendicular directions. The total energy released in the process is Two bodies of masses 'm' and '4m' are moving with equal kinetic energy. The ratio [...]
Two bodies A and B have masses 20 kg and 5 kg respectively. Each one is acted upon by a force of 4 kg wt. If they acquire the same kinetic energy in times tA and tB, then the ratio tA/tB is
27
Oct
Two bodies A and B have masses 20 kg and 5 kg respectively. Each one is acted upon by a force of 4 kg wt. If they acquire the same kinetic energy in times tA and tB, then the ratio tA/tB is then the ratio TA/TB is Two bodies A and B have masses 20 [...]
A body of mass 1 kg accelerates uniformly from rest to a velocity of 1 m/s in 15sec. The kinetic energy of the body will be 2/9 J when the is equal to ?
27
Oct
A body of mass 1 kg accelerates uniformly from rest to a velocity of 1 m/s in 15sec. The kinetic energy of the body will be 2/9 J when the is equal to ? A body of mass 1 kg accelerates uniformly from rest to a velocity of 1 m/s in 15sec. The kinetic energy [...]
A particle starts from rest. Its acceleration at time t=0 is 5m/s^2 which varies with time as shown in the figure. The maximum speed of the particle will be
27
Oct
A particle starts from rest. Its acceleration at time t=0 is 5m/s^2 which varies with time as shown in the figure. The maximum speed of the particle will be A body is projected vertically upwards with a velocity 10m/s . It reaches maximum vertical height h at time t. In time t/2 the height covered [...]