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Three particles start from the origin at the same time, one with a velocity a, alone X−axis, the second along the Y−axis with a velocity b and the third along x=y line. The velocity of third particle so that the three may always lie on the same plane is
24
Aug
Three particles start from the origin at the same time, one with a velocity a, alone X−axis, the second along the Y−axis with a velocity b and the third along x=y line. The velocity of third particle so that the three may always lie on the same plane is alone X−axis one with a velocity [...]
A smooth spherical ball of radius 1cm and density 4×10 3 kg/m 3 is dropped gently in a large container containing viscous liquid of density 2×10 3 kg/m 3 ,η=0.1N−s/m 2 . The distance moved by the ball in t=0.1sec after it attains terminal velocity is :
24
Aug
A smooth spherical ball of radius 1cm and density 4×10 3 kg/m 3 is dropped gently in a large container containing viscous liquid of density 2×10 3 kg/m 3 ,η=0.1N−s/m 2 . The distance moved by the ball in t=0.1sec after it attains terminal velocity is : A smooth spherical ball of radius 1cm and [...]
A man weighs 80kg. He stands on a weighing scale in a lift which is moving upwards with a uniform acceleration of 5m/s^2. What would be the reading on the scale
24
Aug
A man weighs 80kg. He stands on a weighing scale in a lift which is moving upwards with a uniform acceleration of 5m/s^2. What would be the reading on the scale A man weighs 80kg. He stands on a weighing scale in a lift which is moving upwards with a uniform acceleration of 5m/s^2. What [...]
A truck has to carry a load in the shortest time from one point to another at a distance L from the first.It can only start up or slow down at the same acceleration a. What maximum velocity must the truck attain to satisfy this condition ?
24
Aug
A truck has to carry a load in the shortest time from one point to another at a distance L from the first.It can only start up or slow down at the same acceleration a. What maximum velocity must the truck attain to satisfy this condition ? A point moves in xy-plane according to equation [...]
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A point moves in xy-plane according to equation x = at ,
the second for the third ,
Three points are located at the vertices of an equilateral triangle whose side equals a. They all start moving simultaneously with velocity v constant in modulus ,
with the first point heading continually for the second ,
y = at (l - bt) where a and b are positive constants and t is time. The instant at which velocity vector is at π/4 with acceleration vector is given by: ,
Two masses of 1 g and 9 g are moving with equal kinetic energies. The ratio of the magnitudes of their respective linear momentum is
24
Aug
Two masses of 1 g and 9 g are moving with equal kinetic energies. The ratio of the magnitudes of their respective linear momentum is Two masses of 1 g and 9 g are moving with equal kinetic energies. The ratio of the magnitudes of their respective linear momentum is August 24, 2020 Category: Chapter [...]
If a number of little droplets of water, each of radius `r`, coalesce to form a single drop of radius `R`, show that the rise in temperature will be given by `(3T)/J(1/r-1/R)` where `T` is the surface tension of water and `J` is the mechanical equivalent of heat.
24
Aug
If a number of little droplets of water, each of radius `r`, coalesce to form a single drop of radius `R`, show that the rise in temperature will be given by `(3T)/J(1/r-1/R)` where `T` is the surface tension of water and `J` is the mechanical equivalent of heat. coalesce to form a single drop of [...]
The kinetic energy acquired by a mass m travelling distance d, starting from rest, under the action of a constant force is directly proportional to:
24
Aug
The kinetic energy acquired by a mass m travelling distance d, starting from rest, under the action of a constant force is directly proportional to: starting from rest The kinetic energy acquired by a mass m travelling distance d under the action of a constant force is directly proportional to: August 24, 2020 Category: Chapter [...]
Three points are located at the vertices of an equilateral triangle whose side equals a. They all start moving simultaneously with velocity v constant in modulus, with the first point heading continually for the second, the second for the third, and the third for the first. How soon will the points converge?Read more on Sarthaks.com – https://www.sarthaks.com/85642/three-points-are-located-at-the-vertices-of-an-equilateral-triangle-whose-side-equals-a
24
Aug
Three points are located at the vertices of an equilateral triangle whose side equals a. They all start moving simultaneously with velocity v constant in modulus, with the first point heading continually for the second, the second for the third, and the third for the first. How soon will the points converge?Read more on Sarthaks.com [...]
Tags:
A point moves in xy-plane according to equation x = at ,
the second for the third ,
Three points are located at the vertices of an equilateral triangle whose side equals a. They all start moving simultaneously with velocity v constant in modulus ,
with the first point heading continually for the second ,
y = at (l - bt) where a and b are positive constants and t is time. The instant at which velocity vector is at π/4 with acceleration vector is given by: ,
If the momentum of a body is increased by 50%, what would be the percentage increase in its kinetic energy?
24
Aug
If the momentum of a body is increased by 50%, what would be the percentage increase in its kinetic energy? If the momentum of a body is increased by 50% what would be the percentage increase in its kinetic energy? August 24, 2020 Category: Chapter 7 - Work, Energy and Power , NEET Last 32 [...]
Two bodies with kinetic energies in the ratio 4:1 are moving with equal linear momentum. The ratio of their masses is
24
Aug
Two bodies with kinetic energies in the ratio 4:1 are moving with equal linear momentum. The ratio of their masses is Two bodies with kinetic energies in the ratio 4:1 are moving with equal linear momentum. The ratio of their masses is August 24, 2020 Category: Chapter 7 - Work, Energy and Power , NEET [...]