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A vibrating string has a fundamental frequency of 225 Hz. The tension is then increased by a factor of 2.5. What is the new value of the fundamental frequency?
Hz
A 1.8 cm high object is placed 30 cm from a concave mirror with radius of curvature 30 cm. Determine the object's image size
a ball with mass 2.5kg is moving in outer space with a velocity of 6.0 m/s horizontally, and a box of mass 4.5kg is moving with a velocity of 4.0m/s at an angle of 120 degrees from the horizontal
A physical pendulum consists of a meter stick (of mass 0.3 kg) that is pivoted at a small hole drilled through the stick a distance x from the 50 cm mark. The meter stick is then released from rest (at a small angle from vertical) and allowed to o..
A thin, circular disk of radius R = 30 cm is oriented in the yz-plane with its center as the origin. find the magnitude of the electric field due to the disk
Three charged particles are arranged on corners of a square as shown in the figure below, with charge, What is the direction of the electric field at the upper right corner, which is a point in empty space
A certain nuclear reactor is capable of producing 1.00 x 109 W of power. During its operation, mass is converted to energy. How much mass is converted in one hour
A gas at a temperature of 382 K, a pressure of 197 kPa and occupying a fixed volume of 0.38 m3, is heated so that the temperature of the gas rises by 34 K. What is the pressure of the heated gas? Give your answer in pascals.
A uniform density cube of mass m, side 2b, and center at C is placed on a fixed horizontal cylinder of radius r and center O in Earth's gravitational field. The cube is originally put so that C is centered above O, but it can roll from side to side w..
A spaceship moves away from Earth at a speed 0.417 c and fires a shuttle craft that then moves in a forward direction at 0.701 c relative to the ship. determine the speed of the pribe realitive to earth
q. a woman walks 252. m in the direction 65.0deg east of north then 212. m directly east.a find the final displacement
The sound produced by the loudspeaker has a frequency of 12002 Hz and arrives at the microphone via two different paths. The sound travels through the left tube LXM that has a fixed length.
The cubit is an ancient unit. Its length equals six palms. (A palm varies from 2.50 to 3.50 inches depending on the individual.) We are told Noah's ark was 300 cubits long, 50 cubits wide and 30 cubits high.
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