3. Explain what 'Escape Velocity' is.
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Here,
Escape velcoity for any planet
Escape velocity is the minimum speed so an object can be free from any planet' gravitational field. or we can say that an object' speed at which it can be escape from the planet gravitational influence called escape velocity. and it never return to that planet.
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- 3. Wien Displacement Law. Use both languages: English (50 words max) and Math(a) What does the empirical relationship known as "Wien Displacement Law" say? (b)what is use it for ? give example6. Consider a planet of mass m in orbit about a star of mass M. Since M >> m, we can assume the star is at rest. a) Show that the energy of the planet can be written as GMm E = 2mr? b) Now assume the planet is in a perfectly circular orbit. What is the energy in this case? c) Represent the energy obtained in part (b) on an energy diagram. (Draw and label very carefully.)When you are struck by a moving object, is it favorable that the object makes contact with you over a short time or over a long time? Explain.
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- Physics Please help me with this Physics homework question. This is a practice homework question. Please help me.6. A 1500 kg satellite is in orbit 250 km above Earth's surface (v = 7756 m/s). Find work needed to place satellite into orbit, 800 km above Earth's surface (v = 7453 m/s)4. Determine the reactions R1 and R2 (. 12 KN 15 kN/m 8 kN/m 2 m 3 m 3 m R2 5. Calculate the reaction at point A and B. 3000 Ib 2 ft 10 ft 100 lb/ft