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1. If a = 40 cm and b = 50 cm, q1 = - 4 nC and q2 = 1.5 nC, what is the magnitude of the electric field at point P?
2. A parallel plate capacitor has an area of 80cm2 and the capacitance of the capacitor is 9 pF. Determine the seperation between the plates of the capacitor.
3. 3,50 cm away from a particle with a charge of - 2.3 × 10-8 C. Find the potential energy of this two particle system.
4. A tungsten wire with a cross-sectional area of 0.150 has a resistance of 2Ω at 20?. The temperature coefficient of resistivity is given as = 45 × 10-4 (°C)-1 . When the temperature of this wire is increased to 70?, find the length of this wire. (Resistivity of the wire at 20? is 5.6 × 10-8 Ωm)
A 100-turn, 5.0-cm-diameter coil is at rest in a horizontal plane. What is the induced emf in the coil
A potter's wheel, with a moment of inertia 36 kg*m2, is spinning freely at 40 rpm. The potter drops a lump of clay onto the wheel, what is the mass of the clay
Consider the series RC-circuit shown below for which R = 81.0 kOhm, C = 24.0 MuF, and E = 35.5 V. Find the time constant of the circuit 1.944 s.
Find the magnitude of the magnetic field a dstance of 2 2mm from the center of the wire.
Four charges are arranged in a rectangle with a length of 21 cm, and width of 15 cm. The charge on the top left corner is 4nC, the charge on top right corner is -3nC, the bottom right corner has a charge of 6nC, and the bottom left corner has a ch..
A truck is moving at 150 km/h and approaches a stationary policecar that has a radar speed detector operating at 15 GHz. What willbe the frequency change found by the speed detector?
a dipole of moment 0.50 e middot nm is placed in a uniform electric field with a magnitude of 6.0 x 104 nc. what is the
In many circuits the ground is often the metal case that houses the circuit.- How would that affect the voltages found in given problem?
The above table shows that exp(beta) for "Hispanic" is 3.722 ( = exp(1.314) ). What does this number mean? (Hint: Note that the reference category for Race/Ethnicity is "Non-Hispanic White".)
A Two balloons of identical volume (radius 11.5 m) are filled with gas. The first with helium, the second with hydrogen (H2) gas. What is the lift created by each one
A weather balloon is designed to expand to a maximum radius of 17 m when in flight at its working altitude where the air pressure is 0.034 atm, what is its radius at lift-off
If the wheel on a car has a diameter of 50 centimeter and the car has a mass of 8.5 kilogram and it rolls down a hill without slipping. evaluate what is the wheel moment of inertia
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