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An 8.00-kg ball, hanging from the ceiling tied to a 135-cm-long wire, suffers an elastic collision with a 2.00-kg ball moving horizontally with a speed of 5.00 m / s just before the collision. Calculate the stress, in Newton, in the wire immediately after the collision. Round to the nearest integer
A 15.0-kg block of ice at 0 °C melts to liquid water at 0 °C inside a large room that has a temperature of 20.0°C. Calculate the net entropy change of the system
Describe what would happen to the interference pattern in Young's double-slit experiment if the wavelength of the monochromatic light were to decrease
a 5 litre pressure vessel contains 200g of propane. using the peng robinson eos calculate the pressure in the vessel
The head of a rattlesnake can accelerate at 50 m/s^2 in striking a victim. If a car can have the same acceleration, how long would it take for it to reach a speed of 100 km/h from rest.
A particle with charge –3.24 × 10-6 coulombs is released at rest in a region of constant, uniform electric field. Assume that gravitational effects are negligible. At a time 2.36 seconds after it is released, the particle has a kinetic energy of 1.28..
An object is placed in front of a concave mirror of focal length f = 30 cm, such that the object-to-image distance is 7 cm. The image is virtual. Find the magnification.
An electron moving at a speed of 0.68c collides head on with a positron alsomoving at 0.68c. Determine the energy and momentum of each photon
A 0.60 kg mass vibrates according to the equation where x is in meters and t is in seconds. find out (a) amplitude, (b) frequency, (c) total energy, and (d) kinetic energy and potential energies when x = 0.30 m.
An object has a mass of 0.500kg is released from the top of a building of height 7.00m. Find the time it takes for the object to strike the ground
Describe briefly a current health problem. A father racing his son has half the kinetic energy of the son, who has one-third the mass of the father. The father speeds up by 2.5 m/s and then has the same kinetic energy as the son.
A 84 gram arrow is fired from a bow whose string exerts an average force of 115 Newton on the arrow over a distance of 73 centimeter. Find the speed of the arrow as it leaves the bow
Bowling balls are roughly the same size, but come in a variety of weights. Given its official circumference of roughly 27.2 inches, calculate the heaviest bowling ball
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