please do out work A uniform magnetic field of magnitude 0.80 T in the Z-directi

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please do out work

A uniform magnetic field of magnitude 0.80 T in the Z-direction is present in a region of space, as shown in the figure. A uniform electric field b also present. an electron that is projected with an initial velocity v0 - 9 i times 104 m/s in the positive x-direction passes through the region without deflect. what is the electric field vector m the region (magnitude and direction)? Hint: we need the net force in both the y-direction and z-direction to be zero. there is one force due to the magnetic field and a second force due to the electric field. so what does the electric field have to be to produce a force that will cancel out the force from the magnetic field? as shown in the figure, a wire and a 10-ohm resistor are used to form a circuit in the shape of a square, 20 cm by 20 cm a uniform but nonsteady magnetic field is directed into the plane of the circuit. The magnitude of the magnetic field is decreased from 1.50 T to 0.50 T in a time interval of 63 ms. what b the current induced in the wire and m which direction does n travel through the resistor? A heat engine performs the reversible cycle abca with 90 moles of in ideal gas, as shown in the figure. Path ca is an adiabatic process. The temperatures at points a and b are 300K and500 K, respectively. The volume at point c is 0.20 m3. The adiabatic constant of the gas is 1.60, Cv=(5/3)nR=(5/3)NkB, Cp=(8/3)nR=(8/3)NkB. What is the thermal efficiency of the engine?

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