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You drop a 0.490 kg block of copper from a height of 2.90 m. If all the energy is converted to heat when the copper hits the ground, by how much does the temperature of the copper increase? The specific heat capacity of copper is 0.385 J/g·°C.
Two bicycle tires are set rolling with the same initial speed of 3.40m/s along a long, straight road, What is the coefficient of rolling friction r for the tire under low pressure
The speed of an alpha particle is determined to be 1.55×106 m/s. what is the magnitude of that potential
Three blocks (1,2,3) of mass 3.00 kg, 2.00 kg, 1.00 kg sit linearly 10.0 cm apart from each other on a frictionless surface. What percent of the initial energy of the bullet was lost
A 67.0kg skier is moving at 6.70m/s on a frictionless, horizontal snow-covered plateau when she encounters a rough patch 3.55m long. How much internal energy was generated in crossing the rough patch
The magnetic coils of a tokamak fusion reactor are in the shape of a toroid having an inner radius of 0.545m, Find the magnitude of the magnetic field inside the toroid at the following locations
Suppose you are driving in the High Sierras from Mammoth Mountain to the Owens Valley 2038 m below. what would be your approximate final speed
Mary is driving her car at 48 km/h. She approaches an intersection just as the traffic light turns yellow. The yellow light lasts only 3.0 s before turning to red, and she is 30 m away from the near side of the intersection.
Strictly speaking, as more and more skyscrapers are being built on surface of earth, does the day tend to become longer or shorter.
A monatomic ideal gas in a rigid container is heated from 222 K to 304 K by adding 8560 J of heat
A very light rigid rod with a length of 0.692 m extends straight out from one end of a meter stick. Determine the period of oscillation of the system
How high is the top of the ski lift relative to base.
A cylinder is inscribed in a right circular cone of height 2.5, What are the dimensions of such a cylinder which has maximum volume
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