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 is the result of 6.2*10 to the fourth power times 3.3*10 to the second power express in scientific notation

Transverse waves are generally stronger than longitudinal waves. True or False?

In water jet cutting and abrasive water jet cutting, the separation between the nozzle opening and the work surface is called which one of the following: (a) gap, (b) gap size, (c) orifice, (d) overcut, or (e) standoff distance?

Is condensation adding thermal energy

Dave throws a tennis ball straight up into the air he throws the ball with mass of 0.07 kg A speed of 28 m/s how high does the ball go

At a certain location, the horizontal component of the earth's magnetic field is 2.5 * 10-5 T, due north. A proton moves eastward with just the right speed for the magnetic force on it to balance its weight. Find the speed of the proton.

An acrobatic airplane performs a loop at an airshow. The centripetal acceleration the plane experiences is 14.7 m/s2. If it takes the pilot 45.

Which of the following was NOT an outcome of Bacon's rebellion? A. A more direct focus on the "Indian Problem" B. A more focused plain to isolate black slaves from white servants C.

A science class did an investigation to see how many breaths it took for each student to blow up a balloon. Jason blew up his balloon with the fewest breaths. Which of these might explain why Jason took fewer breaths to blow up his balloon? A.

How the behavior of waves is affected by a medium