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A boxcar of length 8.0 meter and height 3.0 meter is at rest on frictionless rails. Inside the boxcar (whose mass when empty is 3600 kilogram) a tank containing 2300 kilogram of water is placed at the left end. The tank is 1 meter long and 3 meter tall. At some point the walls of the tank start to leak, and the water fills the floor of the boxcar uniformly. Suppose that all the water stays in the boxcar. Find the displacement of the boxcar 5 sec after the water has settled in the bottom of the car (take positive displacement as being to the right)?
A object of mass 3.00 kg is subject to a force Fx that varies with position as in the figure below. Find the work done by the force on the object
a small object a electrically charged creates an electric field. at a point p located 0.250m directly north of a the
An object moves 20 m east in 30 s and then returns to its starting point taking an additional 50s. what is the average speed of the object
A 20 x microscope objective is designed for use in a microscope with a 17 cm tube length. The objective is marked NA = 0.45. What is the diameter of the objective lens
Four identical masses of 1.7 each are located at the corners of a square with 1.7 sides. What is the net force on any one of the masses
a hockey puck moving at 8.0 ms coasts to a halt in 75m on a smooth ice surface. what s the coefficient of friction of
The ground reaction force actin gon the long jumper is 4500N acting forward and upward at an angle of 78 degrees from horizontal. What is the vertical component of the ground reaction force
The drawings show three charges that have the same magnitude butdifferent signs. In all cases the distance d between the charges isthe same. The magnitude of the charges is , and the distance between themis d = 3.8 mm. Determine the magnitude of t..
A large asteroid of mass 71700 kg is at rest far away from any planets or stars. What is the speed of the second asteroid
a) What power contact lens should an optometrist prescribe to move the myopic far point out to infinity. b) with this correction, can Brian also read a book held at the normal near point, 25 cm from his eye.
Block A with mass 0.050 kg is released from rest at the rim of a frictionless hemispherical bowl that has radius R = 0.600 m. What is the speed of the combined object
It takes a force of 109 Newton to lift a stone straight up. This force gives the stone an acceleration of 12 m per sec quaked. Compute the mass of the stone
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