A simple pendulum consists of a sphere tied to the end of a string of negligible mass. The sphere is pulled back until the string is horizontal and then released from rest. Assume gravitational potential energy is zero when the sphere is at its lowest point. What angle will the string make with the horizontal when the kinetic energy and the potential energy of the sphere-earth system are equal?.
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SAT, 24.06.2019 18:00
To is to remove a word from a document. copy paste cut clipboard
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SAT, 25.06.2019 22:00
The ancestors of horses possessed feet with five digits. over time, with the development of grasslands, the digits fused and formed hooves. what evolutionary advantage did this transformation serve? a. it allowed them to climb rocky surfaces with ease. b. it allowed them to graze better. c. it enabled them to run faster from predators. d. it let them see clearly through the grasslands. e. it made them taller.
Answers: 1
SAT, 26.06.2019 11:30
Asoccer team has played 25 games and has won 60% of the games it has played. what is the minimum number of additional games the team must win in order to finish the season winning 80% of the games it has played?
Answers: 1
A simple pendulum consists of a sphere tied to the end of a string of negligible mass. The sphere is...
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