Answer Happy

Problem 14.25 Part A T = Value How far above Earth's surface must a 10,000-kg boulder be moved to increase the mass of the Earth-boulder system by 2.40 mg ? Assume the ratio of energy change to mass change is 8.98 × 10¹6 J/kg. Use the average radius of Earth in your calculations. Express your answer with the appropriate units. Submit Request Answer Units 5 of 10 ? > Review

Standing at rest in the Earth reference frame, you observe two events, also at rest in that reference frame, occurring at these coordinates: event 1:₁ = 25 km. y₁=5.0 km, %₁ = 0, t₁ = 15 μs : event 2: #₂ = 55 km, 3/2 = 5.0 km, %2 = 0, t₂ = 40 μs. Part A At what what direction must your friend travel relative to Earth so as to observe these events as being simultaneous? O Positive x. O Negative z. O Positive z. O Negative. O Positive y. O Negative y. O None of the above. Submit Request Answer Part B At what speed must your friend travel relative to Earth so as to observe these events as being simultaneous? V= ΠΙΑΣΦ] 3 ? Co