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A child sitting 2.00 m from the center of a merry-go-round moves with a speed of 1.65 m/s. Compute the centripetal acceleration of the child (m/s), and the net horizontal force exerted on the child (N). (m = 29.0 kg).
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Question: A researcher observes hydrogen emitting photons of energy 1.13eV . What are the quantum numbers of the two states involved in the transition that emits these photons? Express your answers as integers separated ...
question: A point charge of magnitude q is at the center of a cube with sides of length L. Part A: What is the electric flux ? through each of the six faces of the cube? Use 0 for the permittivity of free space. and Part ...
A hunter wishes to cross a river that is 1 km wide and that flows with a speed of 3 km/h. The hunter uses a small powerboat that moves at a maximum speed of 11 km/h with respect to the water. What is the time necessary f ...
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Question: A spherical capacitor is formed from two concentric sphericalconducting shells separated by vacuum. The inner sphere has radius10.0 centimeters, and the separation between the spheres is 1.50centimeters. The ma ...
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Question: Oppositely charged parallel plates are separated by 5.31 mm. A potential difference of 600 V exists between the plates. (a) What is the magnitude of the electric field between the plates? N/C (b) What is the ma ...
Question: The passengers in a roller coaster car feel 50% heavier than their true weight as the car goes through a dip with a 30.0 m radius of curvature. What is the car's speed at the bottom of the dip? The response mus ...
Question: A proton is accelerated from rest through a potential difference V0 and gains a speed v0. If it were accelerated instead through a potential difference of 2V0, it would gain a speed...?
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