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Starting with an initial speed of 5.47 m/s at a height of 0.250 m, a 1.52-kg ball swings downward and strikes a 4.83-kg ball that is at rest, as the drawing shows. (a) Using the principle of conservation of mechanical energy, find the speed of the 1.52-kg ball just before impact. (b) Assuming that the collision is elastic, find the velocity (magnitude and direction) of the 1.52-kg ball just after the collision. (c) Assuming that the collision is elastic, find the velocity (magnitude and direction) of the 4.83-kg ball just after the collision. (d) How high does the 1.52-kg ball swing after the collision, ignoring air resistance? (e) How high does the 4.83-kg ball swing after the collision, ignoring air resistance?
A generating station is producing 1.50 x 106 Watt of power that is to be sent to a town placed 5.0 kilometer away. Determine the power lost in heating the wires if the power is transmitted at 1100 V
A 35.0-g bullet moving at 475 m/s strikes a 3.2-kg bag of flour that is on ice, at rest. The bullet passes through the bag, leaving at 225 m/s. How fast is the bag moving while the bullet exits.
light falls on a pair of slits 0.00198 cm apart. the slits are 84.2 cm from the screen. the first-order bright line is
A 3.8-cm-diameter circle lies in the xy-plane in a region where the electric field is E=(1600i + 1600j + 1600k) N/C. What is the electric flux through the circle
when a shower is turned on in a closed bathroom the splashing of the water on the bare tub can fill the rooms air with
A startled armadillo leaps upward reaching a height of 0.539 meter in 0.204 second. Determine its initial speed as it left the ground
A fan running on HIGH is switched to LOW and slows down to 83.5rad/s in 1.75s due to a deceleration of 42.0 rad/s/s. Calculate the HIGH speed of the fan
X-rays of wavelength 0.0983 nanometer are directed at an unknown crystal. Obtain the spacing between crystal planes
An open train car, with a mass of 2010 kg, coasts along a horizontal track at the speed 2.73 m/s. evaluate the car\'s speed after the loading is completed
Scientists in a laboratory produce a sound wave in a simulated environment (air) with a velocity of 476 m/s
The two charges in the figure below are separated by d = 1.50 cm. (Let q1 = -16.5 nC and q2 = 26.5 nC.) Find the electric potential at point A
A person is making homemade ice cream. She exerts a force ofmagnitude 22 N on the free end of thecrank handle, what is the average power being expended
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