Physics, 28.07.2019 16:00 preservations
The mass of the skateboard is 1.8kg and the mass of the skateboarder is 42kg. calculate the velocity at which the skateboard moves backwards if the skateboarder jumps forward at a velocity of 0.3m/s. asap ; -;
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Physics, 22.06.2019 10:00
Asap and show ! a 14 kg rock starting from rest free falls through a distance of 5.0 m with no air resistance. find the momentum change of the rock caused by its fall and the resulting change in the magnitude of earths velocity. earth mass is 6.0 * 10^24 kg. show your work assuming the rock earth system is closed.
Answers: 2
Physics, 22.06.2019 23:00
In which of these cases are the two wave points considered to be in phase with each other?
Answers: 1
Physics, 23.06.2019 02:30
Intro: a solid ball of radius rb has a uniform charge density ρ. part a: what is the magnitude of the electric field e(r) at a distance r> rb from the center of the ball? express your answer in terms of ρ, rb, r, and ϵ0. part b: what is the magnitude of the electric field e(r) at a distance r express your answer in terms of ρ, rb, r, and ϵ0. part c: let e(r) represent the electric field due to the charged ball throughout all of space. which of the following statements about the electric field are true? check all that apply. e(0) = 0 e(rb)=0 limr→∞e(r)=0 the maximum electric field occurs when r=0 the maximum electric field occurs when r=rb the maximum electric field occurs as r→∞.
Answers: 1
Physics, 24.06.2019 01:30
Which statement is true about divorce in the united states? a. the divorce rate is lower for second marriages than first marriages. b. divorce usually leads to a higher income and higher standard of living. c. similarities between spouses guarantee that they will not divorce. d. about half of first marriages end in divorce.
Answers: 2
The mass of the skateboard is 1.8kg and the mass of the skateboarder is 42kg. calculate the velocity...
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