Question 1. A satellite’s velocity is 30,000m/s. After 60 seconds, it’s velocity slows to 15,000 m/s. What is the satellite’s acceleration?
Question 2. A speed boat increases its speed from 42 m/s to 88m/s in a 4 second period. What is the acceleration during this period?
Answers: 2
Physics, 21.06.2019 15:50
Ahollow metal sphere has 6 cm and 11 cm inner and outer radii, respectively. the surface charge density on the inside surface is −100nc/m2. the surface charge density on the exterior surface is:
Answers: 1
Physics, 21.06.2019 19:30
What is hidden during a lunar eclipse? isn't the moon hidden?
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Physics, 22.06.2019 11:10
An isotope undergoes radioactive decay by emitting radiation that has a –1 charge. what other characteristic does the radiation have?
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Physics, 22.06.2019 12:10
Awater slide of length l has a vertical drop of h. abby's mass is m. an average friction force of magnitude f opposes her motion. she starts down the slide at initial speed vi. use work-energy ideas to develop an expression for her speed at the bottom of the slide. then evaluate your result using unit analysis and limiting case analysis. express your answer in terms of the variables h, m, l, vi, f and appropriate constants. vf v f
Answers: 2
Question 1. A satellite’s velocity is 30,000m/s. After 60 seconds, it’s velocity slows to 15,000 m/s...
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