An earth satellite is in an elliptical orbit of eccentricity 0.3 and angular momentum 60,000 km2 /s. Find the delta-v required for a 90o change in inclination at apogee (no change in speed)

Aquantity of gas has a volume of 1.5 m3 and an absolute pressure of 95 kpa. when the gas is compressed to a volume of 0.5 m3, what is the new absolute pressure of the gas? (assume that there’s no change in temperature.)

The boy of mass 30 kg is at r1= 2 meters from the fulcrum. of the girl is 45 kg, at what r2 must she sit so that they are balanced ?

Determine the maximum r-value of the polar equation r =3+3 cos 0