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A uniform magnetic field B is perpendicular to the plane of a circular loop of diameter 10 cm formed from wire of diameter 2.5 mm and resistivity 1.69 x 10-8 ? · m. At what rate must the magnitude of B change to induce a 10A current in the loop?
In a steam turbine, steam is flowing at 20kg/s. At the inlet of the turbine, specific enthalpy is 2800kJ/kg, velocity 20m/s and heigh is 2m. Obtain the turbine output power
An ideal gas at 13.6 °C and a pressure of 1.76 x 105 Pa occupies a volume of 3.76 m3. How many moles of gas are present
the bent rod is supported at a b and c by smooth journal bearings. determine the magnitude of f2 which will cause the
A laser beam is incident on the left mirror. Its initial direction is parallel to a line that bisects the mirrors. What is the angle of the reflected laser beam
Young's modulus of nylon is 3.7 × 109 N/m2. A force of 6.0 × 105 N is applied to a 1.5-m length of nylon of cross sectional area 0.25 m squared
A force F applied to an object of mass m1 produces the acceleration of 3.10 m/s2. The same force applied to a second object of mass m2 produces an acceleration of 1.90 m/s2.
A ball and bat, approaching one another each with the same speed of 1.1 m/s collide. Find the speed of the ball after the collision. find the factor by which the kinetic energy of the ball increases
A 34.1 kg child rides a Ferris wheel whose diameter is 18.3 m. When the ride is turning at a constant rate, Find the normal force the seat exerts on the child at the top of the ride
An internal combustion engine with an initial temperature of 36.2 is started. The coombustion reactions add 8.66 x 10*6 J of energy as heat to the engine after several cycles. what is the final temperature of the engine
A 4.70 kg object on a horizontal frictionless surface is attached to a spring with spring constant 920 N/m. obtain the initial potential energy of the block-spring system
a baseball is thrown from the roof of a building of height 20.6 with an initial velocity of magnitude 14.0 and directed
A heat engine operating between 40oC and 380oC has an efficiency 60% of that of a Carnot engine operating between the same temperatures. at what rate does it exhaust heat
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