Aisa kon sa phool h jiska wajan 10kg hota h.? #shorts

An object of mass 1kg is raised through a height h. Its potentil energy increases by 1J. Find the height h.

The uncertainty in momentum of an electron is 1 xx 10^-5 kg m//s . The uncertainty in its position will be (h = 6.62 xx 10^-34 kg m^2//s) .

A small block of super dense material has mass 2 xx 10^(24) kg . It is at a height h lt lt R . It falls towards the earth.Find its speed when it is at a height ( h )/( 2)

In the reaction, 2H_(2)O_(2) rarr 2H_(2)O + O_(2) The rate of decompoistion of H_(2)O_(2) is 0.68 kg hr^(-1) . What is the rate of formation of O_(2) and H_(2)O in kg hr^(-1) ?

Two pipes A and B can fill a tank in 24h and 30 h respectively. If both the pipes are opened simultaneously in the empty tank, how much time will be taken by them to fill it? 13 h 20 m in b. 12 h 10 m in c. 14 h d. 10 h 5 m in

A plane is in level flight at a constant speed such that the speed of the air below the wings is "144 km h"^(-1) and above the wing is "180 km h"^(-1) . If each of its wings has an area of "25 m"^(2) , then the mass (in kg ) of the plane is [rho_("air")="1 kg m"^(-3),g=10ms^(-2)]

An electron ( 9×10^-31 kg, 1.6 ×10^-19 C) is accelerated by a voltage of 40kv.What is the wavelength? h= 6.6 ×10^-34 SI units.