Physics, 20.03.2020 10:13, amiahmiller79

Sputnik I was launched into orbit around Earth in 1957. It had a perigee (the closest approach to Earth, measured from Earth's center) of 6.81 × 106 m and an apogee (the furthest point from Earth's center) of 7.53 × 106 m. What was its speed when it was at its perigee? The mass of Earth is 5.97 × 1024 kg and G = 6.67 × 10-11 N • m2/kg2.

Answers: 2

Show answers

Other questions on the subject: Physics

Physics, 22.06.2019 04:40, joneil1952

Argon is adiabatically compressed from an initial volume of 16 liters to a final volume of 2 liters. by what factor do the following quantities change? do they increase or decrease? (a) the rms speed (b) the thermal energy of the gas (c) the molar specific heat cv (d) the pressure

Answers: 3

continue

Physics, 22.06.2019 10:30, 1341220857

What is the speed of an object at a given moment?

Answers: 3

continue

Physics, 22.06.2019 15:30, tamaraquirozmorales

Can you match these to the correct definition

Answers: 3

continue

Physics, 23.06.2019 02:30, jialala

Asemipermeable membrane is placed between the following solutions. which solution will decrease in volume? solution a: 1.4% (m/v) starch solution b: 7.62% (m/v) starch

Answers: 2

continue

Do you know the correct answer?

Sputnik I was launched into orbit around Earth in 1957. It had a perigee (the closest approach to Ea...