A.1 km/s
B.2.2 km/s
C.4.4 km/s
D.5.6 km/s
E.11.2 km/s
Related Mcqs:
- The excape velocity for the moon is nearly
- If the earth’s average surface temperature were to increase, the amount of radiation emitted from the earth’s surface would _________, and the wavelength of peak emission would shift toward _________ wavelengths.
- The gravitational field at the surface of the moon is one sixth of that at the surface of the earth. A 72 kg man weighs on the surface of the moon
- If a surface is elastically hit by N balls each of mass M, moving with same velocity V, the force on the surface will be
- A satellite orbits the earth 200 km above the surface. What speed, in m/s, is necessary for a circular orbit? The radius of the earth is 6400 km and g = 9.2 m/s2
- The angular velocity of earth is
- Angular distance of a point on the earth surface measured in degrees from the centre of the earth is known as:
- If there were no CO2 in the earth’s atmosphere, the temperature of earth’s surface would have been:?
- The weight of a 72 kg man on earth’s surface is
- The albedo of the earth’s surface is only about 4%, yet the combined albedo of the earth and the atmosphere is about 30%. Which set of conditions below best explains why this is so?