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How do people take advantage of thermal expansion for practical purposes? How can thermal expansion cause problems for people?
A small mass m1 = 0.001 kg initially moving with speed v1 = 2001 m/s collides with and sticks to a larger mass m2 = 1.000 kg initially at rest. State the law of the conservation of momentum
A transparent cylinder of radius R = 2.00 m has a mirrored surface on its right half, Determine the index of refraction of the material
A Van de Graaff accelerator is essentially a parallel plate capacitor. Such a machine is changed by an electrical potential of 2.5 x 10^6 volts. What is the energy density stored in the field
A 1200kg automobile travels at 90km/h. What is its kinetic energy? What net work would be required to bring it to a stop
An electric vehicle starts from rest and accelerates at a rate of 2.8 m/s2 in a straight line until it reaches a speed of 18 m/s. How far does the vehicle travel from start to stop
Two lenses, one converging with focal length 20.5 cm and one diverging with focal length - 12.0cm , are placed 25.0 cm apart. Determine the magnification of the final image formed
The plates of a parallel-plate capacitor have a separation of 4.04mm , and each has an area of 15.4cm2 . Each plate carries a charge of magnitude 6.65×10?8C, What is the potential difference between the plates
q1. a projectile is fired at an upward angle of 45 from the top of a 227 m cliff with the speed of 160 ms. what will be
A freezer is used to freeze 2.0 L of water completely into ice. The water andthe freezer remain at a constant temperature of T =0°C. Determine the change in the entropy of the freezer
The speed of light is 1.10 times as large in material A than in material B. Determine the ratio na/nb of the refractive indices of these materials
A relief airplane is delivering a food package to a group of people stranded on a very small island. What is the speed of the package when it hits the ground in mph
A golfer hits a golf ball, giving the ball an initial speed of 41.5 m/s, at an angle of 35.0 degrees to the horizontal. At what horizontal distance from the golfer, does the ball land?
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