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1) Discover the wavelength of a sound wave which has a frequency of 410 Hz. The speed of sound is 343 m/s.
2) Consider light with a wavelength equal to 576 nm. The speed of light is 3.00×108m/s. Discover (a) the frequency and (b) the period.
a) Frequency.
b) Period.
3) a) An AM radio station transmits at 935 kHz. What is the wavelength of these radio waves? Radio waves travel at the speed of light, 3.00×108m/s. (in meters)
b) Repeat for an FM radio station which transmits at 87.2 MHz (in meters)
A physics professor requires reading glasses with +2.00 D power toread a book held 40.0 cm away with a relaxed eye. Assume theglasses are 2.00 cm in front of his eyes.
A capacitor with air between its plates is charged to 100 V and then disconnected from the battery. When apiece of glass is placed between the plates, the voltage across the capacitor drops to 30 V. What is the dielectric constant of the glass? (Assu..
A simple pendulum of length l and mass m is attached to a massless spring with elastic constant k. The attachment point moves only in a vertical direction. Obtain the Lagrange's equations of motion
A sphere of radius 6.21 cm and uniform surface charge density, Find the separation between the point charge and the center of the sphere
Because it can go from rest to 27.0 m/s (about 60 mi/h) in 4.0 s, one of the fastest-accelerating animals is the cheetah. determine the average power developed by the cheetah
A 47.0g golf ball is driven from the tee with an initial speed of 52.0 m/s and rises to a height of 24.6 m. neglect air resistance and determine the kinetic energy of the ball at its highest point.
An ideal gas is maintained at a constant pressure of 200 N/m^2 during an isobaric process while its volume decreases by 0.2 m^3. What work is done by the system on it's environment
q1. what are the average velocity and acceleration of the tip of an hour hand of a clock in the interval of noon to
A 182 kg weather rocket is loaded with 97 kg of fuel and firedstraight up. It accelerates upward at 29.98 m/s2 for34.9 s, then runs out of fuel. What is the rocket's maximum altitude
Huck Finn walks at a speed of .6m/s across his raft (that is perpendicular to the raft's motion relative to the shore). what is Huck's velocity(speed and direction) relative to the river bank
A television screen is illuminated using a beam of electronstraveling at 7.50×106 m/s in a1.75×10−2 T magnetic field. If an electron ismoving in the positive x direction and the magnetic fieldis oriented 55.0° from the z axis in the firstquadrant of ..
An automobile has mass 990 kg (including passengers). It is pushed down by 1.9 cm for every additional 100 kg of passengers. Find the amplitude of oscillation of the automobile
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