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A 0.150-kg ball that is thrown at a velocity of 30.0 m/s hits a wall and bounces back in the opposite direction with a speed of 25.0 m/s.
How much work was done by the ball?
Step to improve Power Factor By using static capacitor: Static capacitor is usually used to better the power factor of the power system. As the capacitor draws leading curre
A disc of mass m and radius R is attached to a rectangular plate of the similar mass breadth R and length 2R . Find moment of inertia of this system about diameter of disc. They ar
Centrifugal force with a tin can lid Punch a hole near the edge of a tin can lid. Attach it to the cord from the drill and view the effects of rotation.
A particle of mass , initially moving with a speed v, collides head on ELASTICALLY with an identical particle initially at rest. a. Do you expect the total mass of the particles
A trick with surface tension Get a used tin can and make five holes in it with a nail. The holes should be very close to the bottom of the can and about five millimetres apart.
There is a point between the Earth and the Moon where the gravitational effects of the two bodies balance each other. Calculate the distance from the center of the Earth to this po
In the nucleus of 20 Ca 40 there are: (1) 40 protons and 20 electrons (2) 20 protons and 40 electrons (3) 20 protons and 20 neutrons (4) 20 protons and 40 neutrons
newtons 3 law
A single-phase transformer has 2400 turns on the primary and 600 turns on the secondary. Its no-load current is 4A at a power factor of 0.25 lagging. Suppose the volt drop
(i) Time section of vibration of particle is described as the time taken by the particle to complete single vibration about its mean position. (ii) It is the time given by the r
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