Question Text
Question 1 :
Planets A and B have same average density. Radius of A is twice that of B The ratio of acceleration due to gravity on the surface of A and B is
Question 2 :
A planet has mass and radius  both half of earth. Acceleration due to gravity (g) at its surface should be <br/>                      
Question 5 :
The mass of earth is $80$ times that of moon and its diameter is double that of moon. If the value of acceleration due to gravity on earth is $9.8$ $ms^{-2}$ then the value of acceleration due to gravity on moon will be?
Question 6 :
A player throws a ball vertically upwards with velocity u. At highest point,
Question 7 :
In a hypothetical case, if the diameter of the earth becomes half of its present value and its mass becomes four times of its present value, then how would the weight of any object on the surface of the earth be affected?<br>
Question 8 :
The mass of the moon is 1% of mass of the earth.The ratio of gravitational pull of earth on moon to that of moon on earth will be:
Question 9 :
The radius of earth is about 6400 km and that ofmars is 3200 km. The mass of the earth is 10 times the mass of mars. An object weight 200 N on the surface of earth. Its weight on the surface of mars will be.
Question 10 :
Calculate the distance traveled by a body dropped from rest in $0.1\ s$. Take $g=10\ Nkg^{-1}$