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The lowest note on a violin string makes a 196 Hz (G below middle C) note. If this is the fundamental frequency for the string, how long is the string? What estimate do you need to make?
A flywheel in a motor is spinning at 580 {rm rpm} when a power failure suddenly occurs. The flywheel has mass 40 {rm kg} and diameter 75 {rm cm}.
Calculate the total amount of time that the ball is in the air, from drop to catch.
A ray of 600 nm light traveling through air is incident on a slab of diamond (n=2.41) at an angle of theta=60 to the normal. What is the wavelength of light inside the diamond
two ping-pong balls each have a mass of 2.7 g and carry a net charge of 0.430 microc. one ball is held fixed. at what
Consider a string of length 1.0 meter, fixed at both ends, with mass 100 grams and tension 100 Newtons. Give the number of nodes and antinodes set up on the string if it is driven at a frequency of 95 hertz. Be sure to include the ends of the string ..
An astronaut on the moon fires a projectile from a launcher on a level surface so as to obtain the maximum range. If the launcher gives the projectile a muzzle velocity of 25 m/s, what is the range of the projectile?
The minimum distance required to stop a car moving at 36.0 mi/h is 48 ft. What is the minimum stopping distance for the same car moving at 70.0 mi/h, assuming same rate of acceleration.
A uniform magnetic field points north; its magnitude is 4.8 T. A proton with kinetic energy 7.5 10-13 J is moving vertically downward in this field. What is the magnetic force acting on it
Sam pushes a 10.0-kg sack of bread flour on a frictionless horizontal surface with a constant horizontal force of 3.0 N starting from rest. What is the kinetic energy of the sack after Sam has pushed it a distance of 25 cm
Determine the speed of wave and Determine the amplitude of this wave and Determine maximum and minimum speeds of particles of the cord.
A capacitor (9.10 µF) is connected in a parallel arrangement with a second capacitor (3.10 µF) and in series with a 12 Volt battery. determine how much charge is stored on the smaller capacitor
An object is solid throughout. When the object is totally submerged in ethyl alcohol, its apparent weight is 15.3 N. When totally submerged in water, its apparent weight is 13.6 N. What is the volume of the object?
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