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a small block b is placed is placed on another block a of mass 7 kg and length 15 cm initially the block b is near the
you are trying to tilt a very tall refrigerator 20 m high 10 m deep 14 m wide and 140 kg so that your friend can put a
the magnetic field perpendicular to a circular wire loop 150 cm in diameter is changed from 043 t to -047 t in 300 ms
a 95 cm diameter wire coil is initially oriented so that its plane is perpendicular to a magnetic field of 067 t
to make a cup of tea an exhausted academic fills a kettle with 093-l of water at 13-degc and boils it her cup holds
you throw a bouncy rubber ball and a wet lump of clay both of mass m at a wall both strike the wall at speed v but
a group of friends decide to have a competition so see who can swim to the greatest depth they hold the competition in
two tiny particles having charges of 700 muc and -900 muc are placed along they-axis the 700 muc particle is at y 000
what is the rms velocity of a nitrogen-14 gas molecule at a temperature of 46-degcwhat is the internal energy of 10
assume that a 6 volt battery is in a series circuit with resistance of 2 ohms 3 ohms and 6 ohms determine the current
a 50 newton horizontal force pushes a 10 kilogram mass sitting on a horizontal surface towards the right additionally
a parallel-plate capacitor with vacuum between its horizontal plates has a capacitance of 260 microf a nonconducting
a marble slides without friction in a vertical plane around the inside of a smooth 30cm-diameter horizontal pipe the
a magician wishes to create the illusion of a 249 m tall elephant he plans to do this by forming a virtual image of a
a what is the net force acting on an object with a mass of 10 kilograms falling at a constant downward velocity of 15
1 a small 100 g cart is moving at 170 mson an air track when it collides with a larger 100 kg cart at rest after the
a submarine dives to a depth of 266nbspfeet in the oceannbspwhat is the force in pounds acting on a hatch that has an
a plane electromagnetic wave of intensity 500 wm2 moving in the x direction strikes a small pocket mirror of area 427
a spherical water tank is being filled by a 1-cm-diameter hose the water in the hose has a uniform speed of 15 cms
a 0031 kg aluminum bullet traveling at 487 ms strikes an armor plate and comes to a stop if all its energy is converted
the air inside a bicycle tire pump has 174 joules of work done on it as 717 joules of heat is conducted away from it
two loudspeakers are placed on a wall 205 m apart a listener stands 320 m from the wall directly in front of one of the