The pressure of water on the ground floor in a building is 50000 pa, and at the first floor it is 20000 pa. Taking the density of water as 1000 kgm-3, find the height of the first floor

What tool would you use to separate nails from gravel

How does a bed exert force on you

Does an object of greater mass have greater kinetic energy

What is the range of these data? 6,9,2,12,3,5,9

A dipole is located at the origin, with charges + 3 nC and - 3 nCseparated by 4 μm. Consider a spherical Gaussian surfacecentered on the origin of radius 80 μm.

19 Which gas is the most abundant greenhouse gas? A. ozone B. chlorofluorocarbon C. carbon dioxide OD. methane E. water vapor Reset Next

The plates of a parallel-plate capacitor are maintained with a constant voltage by a battery as they are pushed together, without touching. How is the amount of charge on the plates affected during this process? a.

Which of the following creates a longitudinal wave? A. striking a gong B. turning on a flashlight C. shaking a rope up and down D. dropping a stone into a pond

What can you do to reduce the electric uses within your home?

The impulse experienced by a body is equivalent to the body's change in A) velocity B) kinetic energy C) momentum D) force