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Q1. A spring with spring constant 14 hangs from the ceiling. A ball is attached to the spring and allowed to come to rest. It is then pulled down 3.0 and released. The ball makes 17 oscillations in 16 seconds. What is it the mass of ball?
Q2. Two loudspeakers are placed on a wall 1.80 m apart. A listener stands 2.84 m from the wall directly in front of one of the speakers. The speakers are being driven by a single oscillator at a frequency of 254 Hz. What is the phase difference between the two waves then they reach observer? Take the speed of sound as 343 m/s.
A rectangle has a length of 5.50m and a width of 12.0m. What are the perimeter and area of this rectangle
The magnetic field in a region of space is specified by its x, y, and z components which are respectively Bx = 0.138 T, By = 0.166 T, find the magnitude and direction of the force acting on the wire
Point A is at position (4j -3k)cm. Point B is at position -3cm k. Point C is at position (3i -2j + 5k) cm. Point D is at position 4cm j. Charges of -4 and +5uC are at A and B respectively. What is the electric potential energy of an electron at D
A quarter circle of electric charge with a radius of 2.5 m has a uniform charge density of +0.7x10^-6 C/m. At the center of the circle
A 305 turn solenoid has a radius of 7.00 cm and a length of 24.0 cm. Find the inductance of the solenoid
Two point charges lie along the y-axis. A charge of q1 = -9.5 %u03BCC is at y = 6.0 m, Locate the point (other than infinity) at which the total electric field is zero
If an object of 50 grams of unknown material at 100 degrees C is mixed with 100 grams of water at 0 degrees C, the final temperature is 40 degrees C
A 65.0 kg human sprinter can accelerate from rest to 10 m/s in 2.90 s. all through the same interval, a 33 kg greyhound can accelerate from rest to 20 m/s. calculate (a) change in kinetic energy and (b) average power output for each.
A baseball outfielder throws a 0.150 kg baseball at a speed of 39.0 m/s and an initial angle of 33.0°. What is the kinetic energy of the baseball at the highest point of its trajectory.
A collimated beam of light whose wavelength is 495 nm falls on a screen containing a pair of long, Determine the spacing between the two third-order bright fringes
A Foucault pendulum is designed to demonstrate the effect of the Earth's rotation. What is the maximum speed of the pendulum
A spaceship with rest mass m0 is traveling with an x-velocity V0x=+4/5 in the frame of the earth. what is the energy of the photon torpedo in the frame of earth
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