Physics, 15.08.2021 23:30 duhitzmay9395
Discuss the kinetic and potential energy of the ball on the end of a pendulum as it
swings from point A to point B. Explain the kinetic energy and potential energy of the
ball at each point and what happens to energy as the ball moves from point A to point
B. In your discussion, answer the following questions:
When is the kinetic energy of the ball zero and when is it at its highest? When is its
potential energy at its lowest and at its highest? What happens to the kinetic energy
and potential energy between point A and point B?
Answers: 2
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Athin, square metal plate measures 14 cm on each side and has emissivity of 0.60. the plate is heated to a temperature of 745°c. what is the rate at which the plate radiates energy ? the stefan-boltzmann constant is 5.67 × 10-8 w/(m2 ? k4). remember that the plate will radiate energy from both its top and bottom surfaces.
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Physics, 22.06.2019 10:00
During which interval are the persons represented by the graph not moving? a) 0 to 0.5 hrs b) 1.5 to 2 hrs c) 2 to 2.5 hrs d) 4.5 to 5 hrs
Answers: 1
Physics, 22.06.2019 11:30
Two 1.20-m nonconducting wires meet at a right angle. one segment carries + 2.50 µc of charge distributed uniformly along its length, and the other carries - 2.50 µc distributed uniformly along it, as shown in fig. 21.50. ( a. find the magnitude and direction of the electric field these wires produce at point p, which is 60.0 cm from each wire. ( b. if an electron is released at p, what are the magnitude and direction of the net force that these wires exert on it?
Answers: 3
Physics, 22.06.2019 11:50
The mass of the sun is 1.99×1030kg and its distance to the earth is 1.50×1011m. what is the gravitational force of the sun on the earth?
Answers: 3
Discuss the kinetic and potential energy of the ball on the end of a pendulum as it
swings from poi...
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