[:.quad v=3*16times11*2=39^(@)4km^(3)],[" Show that the moon would escape if its speed were "],[" increased by "42%" ."]

Show that the moon would depart for ever if its speed were increased by 42% .

Show that Moon would depart for even if its speed were incresed by 42% .

A rocket is fired with a speed, v=2sqrt(gR) , near the earth's surface and directed upwards. (a) Show that it will escape from the earth. (b) Show that in interstellar space its speed is v=sqrt(2gR) .

A rocket is fired with a speed v=2sqrt(gR) near the earth's surface and directed upwards. (a) Show that it will escape from the earth. (b) Show that in interstellar space its speed is v=sqrt(2gR) .

A train takes 3 hours less time for a journey of 360 km, if its speed is increased by 10 km/hr from its usual speed. What is its increased speed (in km/hr)?