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A 2.4 kilogram ball falling vertically hits the floor with a speed of 2.5m/s and rebounds with a speed of 1.5m/s. Find the magnitude of the impulse exerted on ball by floor?
A magnetic field of 1.4 T is perpendicular to a square coil of 14 turns. The length of each side of the coil is 4 cm. Discover the magnetic flux during coil. Find the magnetic flux during the coil if the magnetic field makes an angle of 45? with the ..
A wire is formed into a circle having a diameter of 10.2 cm and is placed in a uniform magnetic field of 3.19 mT, Find the maximum torque on the wire
A wire carries a current of 0.58 A. This wire makes an angle of 63° with respect to a magnetic field of magnitude 6.4 × 10-5 T. What is the length of the wire
Consider a system consisting of three masses on the axis. Mass = 1.20 is at = 1.10 ; mass = 2.10 is at = 1.90 ; and mass = 2.70 is at = 2.70. What is the total gravitational potential energy of this system
Mercury flows through a horizontal pipe 1.05 cm in diameter and 1.3 m long. determine the rate of flow through the tube
A step-down transformer is used for recharging the batteries of portable devices. find the power delivered to the CD player
A ball of mass 1.5 kg is thrown upward. It leaves the thrower's hand with a velocity of 10 m/s. The following questions refer to the motion after the ball leaves the thrower's hand. Suppose that the upward direction is positive.
a square plate of edge length 12.0 cm and negligible thickness has a total charge of 5.80 x 10-6 c. estimate the
The blades in a blender rotate at a rate of 7100 rpm. When the motor is turned off during operation, Find the angular acceleration as the blades slow down
A 5 turn loop of wire with a radius of 4cm moves toward a 0.15T magnetic field in a 3 second time interval. What is the average emf induced in the loop? If the loop has a resistance of 5 ohm, what current is generated?
Snowboarder Sherry of mass m is pulled up a slope at constant velocity v by a tow bar. The force of the tow bar is parallel to the slope, find the force that the two bar exerts on Sherry
One cubic meter of water flowing over Niagara Falls in New York drops 98.1 meters. how much heat energy would the water have
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