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A student calculates the frequency of a waveform produced by a tuning fork to be 303 Hz. If the tuning fork is stamped with a frequency of 279 Hz, what is the percent error for the experiment?
A student measures the time of one wavepeak to be 0.00450 seconds and the time of the next peak to be 0.00900 seconds. What is the frequecy of the wave?
The fundamental when a tuning fork of unknown frequency vibrates near one end of the pipe. Find the frequency of the tuning fork and the frequencies of the first three overtones that resonate in
An AM station is broadcasting a radio wave whose frequency is 1340 kHz. The value of the capacitance in the circuit of an antenna is 7.20 10-11 F. What must be the value of the inductance in order th
In an echolocation lab, a student measures the time from the first click of the fingers to the first echo to be 0.0062. If the speed of sound in the room is 345 m/s, what should the student calculat
Water flows from this hose with a speed of 1.3 m/s. How long will it take to fill the pool to a depth of 19 cm if it is circular and has a diameter of 2.4 m?
What is the average angular velocity of one of the mandibles of the trap-jaw ant when the mandibles snap shut?
A 2.30-g bullet embeds itself in a 1.30-kg block, which is attached to a spring of force constant 780 N/m . If the maximum compression of the spring is 5.80 cm, find the initial speed of the bullet.
A meterstick is moving by an observer in a direction parallel to its length. The speed of the meterstick is .49c. What is its length in the reference frame of the observer?
What is the magnitude of the net torque T on the loop?
What will be the speed of each of the latter? The mass of the K0 is 8.87 x 10-28 kg and the masses of the p+ and p- particles are 2.49 x 10-28 kg each.
The amount of charge that passes through the filament of a certain lightbulb in 2.00 s is 1.67C.
A patient is undergoing open-heart surgery. A sustained current as small as 25μA can be fatal. Assume that the heart has a constant resistance of 250Ω. Determine the minimum voltage that po
THe atomic bomb dropped on hiroshima had an explosive energy equivilent to that of 2.1 x 104 tons of TNT, or 8.82 x 1013 J. How many kilograms of rest mass must have been converted into energy in this
A bimetalic strip consists of a thinstip of brass [Alphabrass=19X106(Co)-1] riveted to a thin strip of steel [Alphasteel=12X106(Co)-1]. What happens when it is heated above room temperature?
On the surface of planet X, which has 4 times the mass of Earth, Sarah weighs 253.2 N. What is the radius of planet X?
In the drawing the head-up display is designed so that the distance between the digital readout device and virtual image 1 is 1.60 m. The magnification of virtual image 1 is 3.50. Find the focal
The light shining on a diffraction grating has a wavelength of 490 nm (in vacuum). The grating produces a second-order bright fringe whose position is defined by an angle of 9.85°. How many lines
If an electron of mass 9.1 E-31 kg is released from rest from the negatively charged plate and strikes the positive plate with a speed of 4xE6m/s. Calculate the potential difference between the tw
Consider an RL circuit with resistance R = 3 MO and inductance L = 6 H, which is powered by a 10.-V battery.
A closely wound coil has a radius of 6.30 cm and carries a current of 1.70 A. How many turns must it have if, at a point on the coil axis 6.30 cm from the center of the coil, the magnetic field is 7
A parallel plate capacitor has 2.5cm^2 plates that are separated by 2mm in a vacuum. If a potential difference of 100V is connected to the capcitor, calculate its capacitance and charge on each
Your eye (diameter 2.5 cm) is able to focus the image of a tree on your retina. The tree is 24 m tall and 85 m away. What is the size of the image of the tree on your retina? (Be careful about the s
The speed of sound does not depend on the loudness or the frequency of sound. The speed of sound in dry air 0 degree celsius is 330 m/s. Explain how temperature and humidity affect the speed of soun
An observer on earth measures the first to have a speed .85c and observes the second to be 1.48 times as long as the first one. What is the speed of the second spaceship?