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A.) What is the charge before the Teflon is removed? B.)What is the potential difference before the Teflon is removed?
C.) What is the electric field before the Teflon is removed?
D.) What is the charge after the Teflon is removed?
E.) What is the potential difference after the Teflon is removed?
The Mars rover was deployed on the surface of Mars in July 1997. At one point during its subsequent mission, How far was Mars from the from Earth at that time
A block of weight wt1 = 409 N sits on a frictionless table of mass 118 kg. The block is connected via frictionless pulley to a hanging block with weight wt2 = 172 N. FIND the tension in the rope connecting the two masses
A copper rod 25 cm long having a cross-sectional area of 7.5 cm2 is used to connect a boiler maintained at 100 oC to a large block of ice at 0 oC. What is the rate of change in entropy of the ice
1) Compute the change in the internal energy of a thermodynamic system under the following scenarios: (i) 50 J of heat added and 40 J work extracted, (ii) 50 J of heat added and 75 J work extracted,
A source of AC voltage with a frequency of 60 Hz, Find the shortest time in seconds required for the voltage across the light bulb to reach 170 V
When a high speed passenger train traveling at 113 km/h rounds a bend, the engineer is shocked to see that a locomotive has improperly entered onto the track from a siding and is a distance D = 642m ahead.
A skater rotates at 4.5 revolutions per second (rev/s) with legs together and arms raised over his head. By extending his arms, What is the new rotation rate
Determine the capacity of a roll crusher. The separation is 7 mm, speed of the rollers is 50 rpm, roller diameter is 23 cm, roller length is 0.4 m
What is the net upward force on an airplane wing of area 27.8 m2 if the speed of air flow is 242 m/s across the top of the wing
A typical red blood cell subtends an angle of only 1.91E-5 rad while viewed at a person's near-point distance of 25cm. Assume a red blood cell is examined with a compound microscope in which the objective and eyepiece are separated by a distance o..
A sound source emits sounds of frequency 210Hz that travel by still air at 340m/s. The listener moves at 75 m/s relative to still air toward the stationary source. What is wavelength of the sound between the source and the listener.
A hot dog cooker heats hot dogs by connecting them to 120 V household electricity. A typical hot dog has a mass of 50g and a resistance of 130ohm . How long will it take for the cooker to raise the temperature of the hot dog from 20c to 80c ? The ..
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