Physics, 16.02.2021 21:00 sierravick123owr441
A ball is thrown downward from the top of a roof with a speed of 25 m/s. After 2 s, its speed will be:
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According to social exchange theory, altruistic behaviors benefit the individual who performs them.
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Achlorine atom has 17 protons and 18 neutrons. what is its mass number? what is its atomic number?
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Under the action of a constant force an object accelerates at 7.8 m/s2. what will the acceleration be if (a) the force is halved? (b) the object's mass is halved? (c) the force and the object's mass are both halved? (d) the force is halved and the object's mass is doubled?
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Physics, 22.06.2019 20:50
Suppose that a mass of 2 kg is attached a spring whose spring constant is 50. the system is damped such that b = 12 . the mass is set in motion with an initial velocity of -8 m/s at a position 0 meters from equilibrium. set up and solve a differential equation that models this motion. write your solution in the form a cos ( ω t − α ) where α is a positive number. use your solution to fill in the information below: what is the amplitude of the motion? what is the value of ω ? what is the phase shift?
Answers: 1
A ball is thrown downward from the top of a roof with a speed of 25 m/s. After 2 s, its
speed will...
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