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A Boeing 747 jet with a wingspan of 60.0 m is flying horizontally at a speed of 300 m/s over pheonix, Arizona, at a location where the earth's magnetic field is 50.0 uT at 38C below the horizontal. What voltage is generated between the wingtips?
A 0.38 kg iron horseshoe that is initially at 580°C is dropped into a bucket containing 21.8kg of water at 21 °C. What is the final equilibrium temperature (in °C)? Avoid any heat transfer to or from the surroundings. Do not enter units.
Light in air enters a diamond (n= 2.42) at an angle of incidence of 48 degrees. What is the angle of refraction inside the diamond
If a 100 kilogram person was standing in the elevator and it accelerated downward at 3 m/s^2. What is the force acting on the person feet
Block 1, of mass = 0.500 , is connected over an ideal (massless and frictionless) pulley to block 2, of mass , as shown. Assume that the blocks accelerate as shown with an acceleration of magnitude = 0.300 and that the coefficient of kinetic frict..
A tow truck is pulling a car out of a ditch by means of a steel cable (Y = 2.0 x 1011 N/m2) that is 9.63 m long and has a radius of 0.503 cm. How much has the cable stretched
Find the speed of sound in a thin rod of cast iron, which has a sheer modulus of 4.5 1010 Pa and a density of 7.30 103 kg/m3
Two charged particles are located on the x axis. The first is a charge +Q at x = -a. The second is an unknown charge located at x = +3a, What are the two possible values of the unknown charge
How numerous extra electrons are on this particular oil drop (given the presently known charge of the electron)?
The crankshaft in a race car goes from rest to 3100 rpm in 2.4s. What is the crankshaft's angular acceleration
q1. a 1500 w hair dryer is operated on a 160 v circuit for 5 minutes every day. if electricity costs 0.15kwha what is
A trap door, of length and width 2.35 m, is held open at an angle of 65.0° with respect to the floor. what is the torque exerted on the trap door by the rope
A 0.27 kg rock is thrown perpendicularly upward from the top of the cliff that is 32 m high. When it hits the ground at the base of cliff, the rock has a speed of 29 m/s. suppose that air resistance can be ignored, find out A) initial speed of the ro..
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