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Problem: A wire 3.00 m long and 0.450 mm2 in cross-sectional area have a resistance of 39ohm at 20°C. If its resistance increases to 39.7ohm at 27.0°C,
Part A: What is the temperature coefficient of resistivity?
= _____ °C-1
I need help to determine the temperature coefficient of resistivity.
A long solenoid has 1550 turns in a length of 75 centimeter. A current of 5.65 mA flows through the solenoid. Obtain the strength of the magnetic field generated inside solenoid
A satellite has a mass of 106 kilogram and is placed at 2.0 x 106 meter above the surface of Earth. Find the potential energy associated with the satellite at this location
In a dentist's office an X-ray of a tooth is taken using X-rays that have a frequency of 6.08 × 1018 Hz. What is the wavelength in vacuum of these X-rays
Consider a capacitor C being discharged through a resistor R as shown in figure a. The initial potential difference across the capacitor is 24.0 V, Compute the initial charge and time constant
Find time constant if the ball's amplitude has decreased to 2.20 cm after 51.0 oscillations? Explain your answer.
During a snowmobile race our hero goes 16.7 km at 45 deg to the North of West (45 degrees above the -X). Then turns and goes 7.5 km due east. Then turns and goes 23 km at 40 degrees to the West of South (40 degrees to the left of -y).
an average person uses 12000watt-hours per day, the cell is used for 6 hours a day at an incident of 1000wats/m^2, calculate the area need to supply this amount of power
Starting from rest, you move with a constant acceleration of 2.1 m/s2 for 13.0 s and then move with an acceleration of -2.1 m/s2, What is your maximum speed attained
Which medical diagnostic methods require using a nuclear reactor or an accelerator?
a radio wave, sent from mars to the earthwhen the two are closest to eachother, takes 3.03 minutes. calculate the distance between perihelion and aphelion for mars
a ball of mass 0.120 kg is dropped from rest from a height of 1.25 m. it rebounds from the floor to reach a height of
A 60 W light bulb is 30% of the electric energy is converted to light energy. How many joules of thermal energy does the light bulb use each minute? How many joules does the light bulb convert into light each minute it is in operation?
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