Physics, 07.04.2021 05:40 Kjcampbell2
10. Some useful relationships. The following relationships between the momentum and kinetic energy of an
object can be very useful for calculations: If an object of mass m has momentum of magnitude p and kinetic
energy K, show that
a) K = (p?/2m)
b) p = = V2mK.
c) Find the momentum of a 1.15 kg ball that has 15.0 J of kinetic energy. (d) Find the kinetic energy of a
3.50 kg cat that has of momentum.
Answers: 3
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The respiratory system removes oxygen and water from the body. select the best answer from the choices provided t f
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Physics, 22.06.2019 10:30
An insulated 40 ft^3 rigid tank contains air at 50 psia and 120°f. a valve connected to the tank is now opened, and air is allowed to escape until the pressure inside drops to 25 psia. the air temperature during this process is kept constant by an electric resistance heater placed in the tank. determine the electrical work done during this process.
Answers: 2
Physics, 22.06.2019 13:00
Aplayground merry-go-round has a radius of 4.6 m and a moment of inertia of 200 kg-m2 and turns with negligible friction about a vertical axle through its center. a child applies a 26.0 n force tangentially to the edge of the merry-go-round for 15.0 seconds. if the merry-go-round is initially at rest, how much work did the child do on the merry-go-round?
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Physics, 22.06.2019 14:30
70 give a real life example showing how sensory neurons work with the motor neurons
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10. Some useful relationships. The following relationships between the momentum and kinetic energy o...
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