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A ball is thrown horizontally from the top of a house 35 meter high. The ball strikes the ground 100 meter from the base of the house Obtain what is the time that the ball is in flight (in seconds). Give answer with 3 significant figures.
An 8.00 g bullet is fired into a 190 g block that is initially at rest at the edge of a table of 1.00 m height. Determine the initial speed of the bullet
varying coefficient of friction a box is sliding with a speed of 4.50 ms on a horizontal surface when at point p. it
A 5.00 kg ball, moving to the right at a velocity of +2.00 m/s on afriction less table, collides head-onwith a 7.50 kg ball moving with a velocity of -1.00 m/s. Find the final velocities of the ball if the collision is a) elastic, and b) completel..
Two adjacent natural frequencies of an organ pipe are determined to be 351 Hz and 405 Hz. (Assume the speed of sound is 343 m/s.) (a) Calculate the fundamental frequency of this pipe. Hz (b) Calculate the length of this pipe. m
At an amusement park there is a ride in which cylindrically shaped chambers spin around a central axis, What is the radius of a chamber
The orbit of the moon takes 27.321661 days (you should convert to seconds!) at a radius of 384,748 km, Calcualte the orbital speed of the moon
The three air carts shown in figure 9-16 have masses,reading fromleft to right, of 4m,2m,and m,respectively.The most massive carthas an initial speed of V0 ; the other twocarts are at rest initially.
an object with a mass of 5 kg hangs from a cordstring around a light pulley. the length of cord is 2 meters long that
What is the smallest diameter spot the eye can produce on the retina if the pupil diameter is 4.50mm ? Assume light with a wavelength of = 510nm
a raindrop inside a thundercloud has charge -8e. what is the electric force on the raindrop if the electric field at
36 kg of a liquid metal with a latent heat of fusion of 33.18 kJ/kg freezes while at its melting temperature of 398 °C. Calculate the change in entropy of the metal
A ball with a mass of .25 kg is placed on top of a spring with a spring constant of 800. N/m. Determine the elastic potential energy of the ball
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