Answer:
2991.47 [cm^2]
Explanation:
To solve this problem we must perform a dimensional analysis and use the corresponding conversion values:
Panel A shows a ball shortly after being thrown upward. Panel B shows the same ball in an instant on its way down. Suppose air r
esistance can be ignored. Which statement is true? a) Both potential and kinetic energy are higher in Panel A than in Panel B. b) Both the potential and kinetic energy are higher in Panel B than in Panel A. c) The potential energy is higher in Panel A, but the kinetic energy is higher in Panel B. d) The potential energy is higher in Panel B, but the kinetic energy is higher in Panel A.
1 answer:
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Answer:
Explanation:Explanation is ly/3a8Nt8nin a file
bit.
Answer:
(a) g = 8.82158145.
(b) 7699.990192m/s.
(c)5484.3301s = 1.5234 hours.(extremely fast).
Explanation:
(a) Strength of gravitational field 'g' by definition is
, here G is Gravitational Constant, and r is distance from center of earth, all the values will remain same except r which will be radius of earth + altitude at which ISS is in orbit.
r = 6721,000 meters, putting this value in above equation gives g = 8.82158145.
(b) We have to essentially calculate centripetal acceleration that equals new 'g'.
here g is known, r is known and v is unknown.
plugging in r and g in above and solving for unknown gives V = 7699.990192m/s.
(c) S = vT, here T is time period or time required to complete one full revolution.
S = earth's circumfrence , V is calculated in (B) T is unknown.
solving for unknown gives T = 5484.3301s = 1.5234hours.