Home
Class 12
PHYSICS
[" An asteroid is moving directly "],[" ...

[" An asteroid is moving directly "],[" towards the centre of the earth."],[" When at a distance of "10R" ( "R" is the "],[" radius of the earth) from the earths "],[" centre,it has a speed of "12km/s" ."],[" Neglecting the effect of earths "],[" atmosphere,what will be the speed "],[" of the asteroid when it hits the "],[" surface of the earth (escape velocity "],[" from the earth is "11.2km/s" ).Give "],[" your answer to the nearest integer in "],[km/s" ................"]

Promotional Banner

Similar Questions

Explore conceptually related problems

An asteroid is moving directly towards the centre of the earth. When at a distance of 4R (R is the radius of the earth) from the earths centre, it has a speed of 2sqrt2 km/s. Neglecting the effect of earths atmosphere, what will be the speed of the asteroid when it hits the surface of the earth (escape velocity from the earth is 11.2 km/s)? Give your answer to the nearest integer in kilometer/s _________.

The escape velocity from the surface of the earth is (where R_(E) is the radius of the earth )

The escape speed of a body from the surface of the Earth is

The value of escape speed from the surface of earth is

The mass of the earth is 9 times that of the mars. The radius of the earth twice that of the mars. The escape velocity of the earth is 12km//s . The escape velocity on the mars is ........ km//s

The escape velocity from the surface of the earth of radius R and density rho

A man weighs 'W' on the surface of the earth and his weight at a height 'R' from surface of the earth is ( R is Radius of the earth )

An asteroid, headed directly toward Earth, has a speed of 12 km/s relative to the planet when the asteroid is 10 Earth radii from Earth's center. Neglecting the effects of Earth's atmosphere on the asteroid, find the asteroid's speed v_f when it reaches Earth's surface.