180. assignment (kinetic energy)
(a) How many joules of kinetic energy does a 80-kg person have when walking at 2 m/s?
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How many joules of kinetic energy does a 80-kg person have when running at 6 m/s?
J
(b) In the Bohr model of the atom, the ground-state electron in hydrogen has an orbital speed of 2190 km/s. What is its kinetic energy?
J
(c) If you drop a 4.0 kg weight (about 9 lb) from shoulder height (1.6 m), how many joules of kinetic energy will it have when it reaches the ground?
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J
How many joules of kinetic energy does a 80-kg person have when running at 6 m/s?
J
(b) In the Bohr model of the atom, the ground-state electron in hydrogen has an orbital speed of 2190 km/s. What is its kinetic energy?
J
(c) If you drop a 4.0 kg weight (about 9 lb) from shoulder height (1.6 m), how many joules of kinetic energy will it have when it reaches the ground?
Video description:
https://youtu.be/cj2NtsHs6oo
Follow the links to:
Visit our website: https://onlinetutors.top
Choose your tutor here: https://onlinetutors.top/crossroad#section-1-link
Get homework answers here: https://onlinetutors.top/crossroad#section-2-link
Submit new assignment here: https://onlinetutors.top/crossroad#section-3-link
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