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A coil of 39 turns is in the shape of an ellipse having a major axis of 12.0 cm and a minor axis of 8.84 cm. The coil rotates at 139 rpm in a region in which the Earth's magnetic field is 64.5 ?T. What is the maximum voltage induced in the coil if the axis of rotation of the coil is along its major axis and this axis of rotation is aligned perpendicular to the Earth's magnetic field?
A Carnot engine operates between temperatures of 747 and 324 K. Calculate what the efficiency would be if (a) the temperature of the hot reservoir were raised by 42.5 K or (b) if the temperature of the cold reservoir were lowered by 42.5 K. (Give ..
Dr Doreen's sister Karen got a yellow camaron for her birthday. She races up to meet with Dr Doreen. What was Dr Doreen's acceleration
The specific heat of mercury is 138 J/kg Co Determine the latent heat of fusion of mercury using the following calorimeter data: 1 kg of solid Hg at its melting point of -39.0º C is placed in a 0.620 kg aluminium calorimeter with 0.40 kg of water ..
A spring (k = 75 N/m) has an equilibrium length of 1.00m. if the mass is not attached to the spring, how far up the slope will the mass move before coming to a rest
A slit of width 0.26mm is illuminated with monochromatic light of wavelength 540nm , and a diffraction pattern is formed on a screen 1.5mfrom the slit. What is the width of the central maximum
An industrial laser is used to burn a hole through a piece of metal. The average intensity of the light is = 1.42 × 109 W/m2. find the magnetic field in the electromagnetic wave emitted by the lase
A bicycle wheel has a diameter of64.4cm and a mass of1.90kg. What force must be applied by a chain passing over a9.01-cm-diameter sprocket in order to give the wheel an acceleration of4.55rad/s2
A 0.62 kg glider slides frictionlessly on an 3-m air track inclined at an angle of 12 degrees. What will the scale read as the system accelerates
While standing near a railroad crossing, you hear a train horn. The frequency emitted by the horn is 350Hz. What is the frequency you hear after the train has passed
A 13g rifle bullet traveling 150m/s buries itself in a 3.7 kg pendulum hanging on a 2.9 m long string, which makes the pendulum swing upward in an arc. Resolve the horizontal component of the pendulum's maximum displacement.
A ruby laser emits an intense pulse of light that lasts a mere 30 ns. The light has a wavelength of 690 nm , and each pulse has an energy of 700 mJ. How many photons are emitted in each pulse
An 80.7-kg jogger is heading due east at a speed of 1.950 m/s. A 53.60 kg jogger is heading 33.1° north of east at a speed of 2.89m/s. compute the magnitude (enter first) and direction of the sum of momenta of the two joggers.
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