Physics, 15.06.2021 23:00 kylediedrich1343
a. A spring with k = 11 N/m is stretched 0.25 m. What force does the spring apply? (1 point) b. What is the spring constant of a rubber band that exerts a force of 35 N when it is stretched 0.1 m? (1 point) c. An elastic band has a spring constant of 55 N/m. It will break when the force reaches 2000 N. How far do you need to stretch the band for it to break? (1 point) d. A 2 kg mass hangs motionless from a spring with spring constant 8 N/m. How far will the spring stretch if the mass is motionless? (1 point)
Answers: 3
Physics, 22.06.2019 05:00, masie03
Red light strikes a metal surface and electrons are ejected. if violet light is now used with a 10% greater intensity, what will happen to the ejection rate (number of ejected electrons per second) and the maximum energy of the electrons? a) greater ejection rate; same maximum energyb) same ejection rate; greater maximum energyc) greater ejection rate; greater maximum energyd) same ejection rate; same maximum energye) none of the above answers are correct
Answers: 1
Physics, 22.06.2019 07:00, emmalado45
The table below shows the acceleration of gravity on different bodies in the solar system. on which body would a 10 kg lamp has the most gravitational potential energy when lifted to a height of 2 m? a. earth b. mars c. neptune d. uranus
Answers: 1
a. A spring with k = 11 N/m is stretched 0.25 m. What force does the spring apply? (1 point) b. What...
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