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A small object of mass 1.90×10−2 kg andcharge 3.2 μC hangs from the ceiling by a thread. Asecond small object, with a charge of 4.2 μC isplaced 1.1 m vertically below the first charge. Find theelectric field at the position of the upper charge due to the lowercharge. Find the tension in the thread.
An L-R-C series circuit with an inductance of 0.123 H , a resistance of 240 omega , and a capacitance of 7.29 micro F carries an rms current of 0.445. What is the rms voltage of the source
A Carnot engine with a hot-reservoir temperature of 500 degrees C has a thermal efficiency of 26.3%. What is the cold-reservoir temperature in degrees C
A 52-kg pole vaulter running at 13 m/s vaults over the bar. Her speed when she is above the bar is 1.0 m/s, determine her altitude as she crosses the bar
The full diameter of a wheel is 99 , and its rotational inertia is 6.1. What is the minimum mass it could have? How could it have more mass
An ideal gas initially at 20°C and 219 kPa has a volume of 4.70 L. It undergoes a quasi-static,, Find the heat added to the gas during the expansion.
A 7.05 bullet traveling at 520 m/s embeds itself in a 1.85kg wooden block at rest on a frictionless surface. Find the amplitude of the subsequent simple harmonic motion
An 7.40-cm-diameter, 300g solid sphere is released from rest at the top of a 1.90-m-long, 20.0? incline. It rolls, without slipping, to the bottom. What fraction of its kinetic energy is rotational
A bicycle rides by in front of you moving right to left. What is the torque applied to the wheel
A small object is 10 cm to the left of a converging lens (f = +5 cm), and a second diverging lens (f = -3.3 cm) is 5.8 cm to the right of the first. Find the position and magnification of the final image by calculation
What is the Reynolds number for the fastest falling ball in the experiment. Use the same data as in problem 1, glycerin density of 1.30 g/cm^3
A string that is fixed at both ends has a length of 2.68 m. When the string vibrates at a frequency of 83.9 Hz, What is the wavelength of the waves that travel on the string
An uncharged nonconductive hollow sphere of radius 11.0 cm surrounds a 16.0 µC charge located at the origin of a cartesian coordinate system. A drill with a radius of 1.00 mm is aligned along the z axis, and a hole is drilled in the sphere. Calculate..
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