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A proton is moving with an initial velocity of 6.28 x 10^5 m/s straight towards a large conducting sphere of radius 85.2 cm. The sphere has a charge of 4.83uC on it. Protons have a mass of 1.69 x 10^-27 kg.
a) Determine how close the proton can come to the surface of the sphere.
b) What is the voltage on the surface of the sphere?
A fighter jet is launched from an aircraft carrier with the aid of its own engines & a steam-powered catapult. The thrust of its engines is 2.3 x 105 N. In being launched from rest it moves through a distance of 87 m & has a kinetic energy of 4.5 ..
Calculate the final equilibrium temperature assumning no heat loss after mixing occurs.
A wooden raft has a mass of 76 kg. When empty it floats in water (density 1000 kg/m3) with 51 percent of its volume submerged. What mass of sand can be put on the raft without it sinking.
The counterbalance w1 weighs 100 N. Find out the weight w2 and the angle α needed so that no force is exerted on the hip joint by the leg plus cast.
The current in a 51 resistor is 0.14 A. This resistor is in series with a 28 resistor, and the series combination is connected across a battery
Two large flat planes are separated by a distance d. the plates are connected to a battery. Write an expression for the capacitance
0.16mol of argon gas is admitted to an evacuated 40cm3 container at 10 ?C. The gas then undergoes an isochoric heating to a temperature of 500 ?C
A 2.20 kg object is suspended from a spring with k = 18.00 N/m. The mass is pulled 0.35 m downward from its equilibrium position and allowed to oscillate. What is the highest kinetic energy of object.
If she is served 200 of coffee at 85 in a well-insulated container, how much ice at 0 must she add to obtain a final temperature of 33.
A tennis ball is hit with a vertical speed of 30 m/s and a horizontal speed of 25 m/s. How long will the ball remain in the air? How far will it travel horizontally during this time?
A 60 ohm resistor is connected in series with a 30x10^-6 capacitor and a generator having a maximum voltage of 120 volts, what is the phase angle of the circuit
The Superconducting magnet for the experimental MRI studies at a laboratory is a 1 m long solenoid of 60 cm diameter, What is the inductance of the magnet?
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