Answers: 2
Physics, 22.06.2019 07:00, Angelanova69134
Photoelectrons with a maximum speed of 6.50 x 107 m/s are ejected from a surface in the presence of light with a frequency of 6.75 x 1014hz. if the mass of an electron is 9.10 x 10-31 kg, calculate in joules the maximum kinetic energy of a single electron. 3.84 x 10-15 j 1.92 x 10-15 j 5.92 x 10-23 j 3.07 x 10-16 j
Answers: 1
Physics, 22.06.2019 14:30, willoughbysierra
The man of mass m1 and the woman of mass m2 are standing on opposite ends of the platform of mass m0 which moves with negligible friction and is initially at rest with s = 0. the man and woman begin to approach each other. derive an expression for the displacement s of the platform when the two meet in terms of the displacement x1 of the man relative to the platform.
Answers: 1
Physics, 22.06.2019 21:10, bensleytristap93y8q
A10-kg isto a of 10 m at aa0.9 kg/m.30 kg of ,at aas10-m .. ( 9.8 m/s2 g.)
Answers: 3
A ball dropped from rest falls freely until it hits the ground with a speed of 18 meters per second....
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