Start Discovering Solved Questions and Your Course Assignments
TextBooks Included
Active Tutors
Asked Questions
Answered Questions
A solenoid that has a length equal to 24.6 cm, a radius equal to 0.842 cm, and 374 turns is in a region where a magnetic field of 593 G exists and makes an angle of 52.0° with the axis of the so
A boy whirls a small stone attached to a 1.5m string in a horizontal circle 2.0m above the ground. The string suddenly breaks and the stone flies off horizontally and lands 12m away. What was the ce
The resonant frequency of a certain series RLC circuit is 3.88 kHz, and the value of its capacitance is 7.00 µF. What is the value of the resonant frequency when the capacitance of the circuit
A household pays $1850 per year for the supplied electricity. Assuming the rate of $0.11 per KWh and 10 hours of average consumption per day, find the average power of energy consumption.
The speed of light in a material is 0.77×c. What is the critical angle (in degrees) of a light ray at the interface between the material and a vacuum? Express the answer with one decimal place
A series circuit contains only a resistor and an inductor. The voltage V of the generator is fixed. If R= 16 ohms and L=4.0 mH, find the frequency at which the current is one-half its value at zero
If S2 moves with a speed of 0.64 c with respect to a rest frame S1, what is the length of the rod as measured in frame S1, according to the special theory of relativity?
In a nuclear magnetic resonance spectrometer, a 15mH coil is designed to detect an emf oscillating at 400MHz. The coil is part of an RLC circuit.
Find the time between explosions according to classical physics, as measured in a frame moving with a speed 0.7 c with respect to the rest frame.
A deep-space probe moves away from Earth with a speed of 0.48 c. An antenna on the probe requires 2.4 s (probe time) to rotate through 0.8 rev.
A balloon rubbed against denim gains a charge of -8.0 µC. What's the electric force between the balloon and the denim when the two are separated by the distance of 5cm?
Astronauts on a distant planet set up a simple pendulum of length 1.3 m. The pendulum executes simple harmonic motion and makes 100 complete oscillations in 294 s. What is the magnitude of the accel
Research any one species, and describe its ecological niche. For one factor of the niche, describe what you think might happen to an individual of the species if it is forced to exist just a little
Light of in a vacuum has a wavelength of 574 nm in water and 524 nm in benzene. A) Using the data for water compute the wavelength of this vacuum? B) Using only the two given wavelengths, determine
What are the lowest two frequencies that produce an interference maximum at the microphone's location?
The two rope segments BC and BD angle away from the center of the ship at angles of Φ=25.0° and θ=22.0°, respectively. The tugboat pulls with a force of 22250N. What are the tensio
A capacitor has a capacitance of 7.38 . What amount of excess charge must be placed on each of its plates to make the potential difference between the plates equal to 26.0 ?
A car is traveling East at 15.21 m/s. 29.87 seconds later it is traveling North at 15.21 m/s. What is the magnitude of the acceleration of the car?
Global Positioning System (GPS) satellites area at altitudes of 20,000 km as measured from the center of the earth. At this altitude the acceleration of gravity is only 5.8% of the value on the surf
According to Lenz's law the direction of an induced current in a conductor will be that which tends to produce which of the following effects?
A satellite circles planet Roton every 6.3 h in an orbit having a radius of 2.9 × 107 m. If the radius of Roton is 2.001×107 m, what is the magnitude of the free-fall acceleration on the s
A potter's wheel, with rotational inertia 6.50, is spinning freely at 16.0 . The potter drops a 2.90 lump of clay onto the wheel, where it sticks a distance of 48.0 from the rotation axis. What is t
A juvenile elephant has a mass of 300kg. He wishes to fly using his very large ears. If the air speed on top of his ears is 30m/s and the speed below his ears is 22m/s, find the total surface
A bat flying straight toward a wall at 11m/s emits a pulse at 60kHz. What is the frequency of the reflected ultrasonic echo wave reaching a stationary observe standing under the bat? Take the speed
A wheel of radius .1m and mass of 20kg rotates at 100rpm. If we want the wheel to stop after 5 revolutions, what constant angular acceleration must be applied to the wheel?