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Electricity may be generated by rotating a loop of wire between the poles of a magnet. The induced current is greatest when: (explain why , please)a. the plane of the loop is parallel to the magnetic field.b. the plane of the loop is perpendicular to the magneticfield.c. the magnetic flux through the loop is a maximum.d. the plane of the loop makes an angle of 45° with themagnetic field.
A student m = 81 kg runs at a velocity vi = 2.25 m/s before jumping on a skateboard. After jumping on the board the student has a velocity vf = 1.75 m/s. What is the mass of the skateboard in kg
A 4lb block and a 13lb block, connected by a string slide down a 30 degree inclined plane. The coefficient of kinetic friction between the first block mentioned is 0.10; between the second block and the plane it is 0.20. Find the tension(in pounds) i..
A student stands at the edge of a cliff and throws a stone horizontally over the edge with a speed of 22.0 m/s. With what speed and angle of impact does the stone land
Te orbit of an asteroid extends from Earths to Jupiter's, just touching both. Find the maximum and minimum orbital speeds of the asteroid
The electric field at point P just outside the outer surface of a hollow spherical conductor of inner radius 10 cm, What is it on the outer surface
The temperatures indoors and outdoors are 303 and 313 K, respectively. A Carnot air conditioner deposits 6.64 105 J of heat outdoors. How much heat is removed from the house
A steel wire of length 1.97m with circular cross section must stretch no more than 0.270cm, What minimum diameter dmin is required for the wire
A sphere is charged with electrons to ?5 × 10?6 C. How many electrons make up this charge? The elemental charge is 1.6 × 10?19 C
A sound wave from a police siren has an intensity of 103.1 W/m2 at a certain point; find the intensity level of the sound wave due to the ambulance?
A space craft with a mass equal to .25*(mass of moon) is in orbit about the sun with a period of 3 years. calculate the average radius of the space craft's orbit. (the distance from the space craft to the sun).
In the figure, a man is standing near a gate and a flag pole. The gate is 15 ft from the pole. How far is the man from the gate
A golf ball of mass 0.050 Kg is hit off the tee at a speed of 35 m/s. The golf club was in contact with the ball for. Find the average force exerted on the ball by the golf club
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