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A particle of mass m is hanging with the help of an elastic string of unstretched length a and force constant mg/a .The other end is fixed to a peg on vertical wall. String is given an additional extension of 2a in vertical downward direction by pulling the mass and released from rest. Find the maximum height reached by it during its subsequent motion above point of release. (Neglect interaction with peg if any)
A point charge 8.00 nC is at the center of a cube with sides of length 0.200m. what is the electric flux through: (a) the surface of the cube (b) on of the six faces of the cube?
A 75.0 weight watcher wishes to climb a mountain to work off the equivalent of a larger piece of chocolate cake rated 500(food)calories . how high must the person climb
A spherical mirror is polished on both sides. when you use aconvex mirror the magnification is +1/6. What is the magnification when used as a concave mirror the object remaining the same distance form the mirror?
Two long parallel wires each carry a current of 5. A directed to the east. The two wires are separated by 8 cm. What is the magnitude of the magnetic field at a point that is 5.0 cm from each of the wires.
During the transition of the metal from the boiler to the cup, some heat may have been lost to the air. If no heat was lost, how would your values for the final temperature change?
A 2.50 x 10-6 F capacitor is charged to 754 V and a 6.80 x 10-6 F capacitor is charged to 563 Volt. Find the potential difference across the first capacitor
A 2 kg cart has a spring with K = 5000 N/m attached to its front, parallel to the ground. This cart rolls at 4m/s toward a stationary1 kg cart. Find the speed of all carts after the collision
A fire truck attaches two fire hoses to a hydrant to fight a fire. each hose has a diameter of 20 cm. What is the speed of the water in the fire hoses
At what frequency does a 63uF capacitor have a reactance of 63 ohm
A wheel starts at rest and takes 3.00 s to rotate 37.0 revolutions at which points its angular velocity is 98.0 rad/sec. What is the constant angular acceleration of the wheel
A block of mass 1.4 kg is moving up a 40 degree inclined plane at a speed of 2 m/s. how far up the plane will the block go before stopping
A subway train rounds an unbanked curve at 70 km/h. Find what is the radius of the turn
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