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

A mass oscillates up and down on a vertical spring with an amplitude of 3 cm and a period of 2 s. What total distance does the mass travel in 16 seconds?

Approximately how many kelvins are equal to 60 c? a. 289k b. 323k c. 333k d. 413k

Explain how some traits are inherited

If June and Dylan do the same amount of work but June does it in 2.5 hours and Dylan in 3.2 hours who is more powerful?

A particle that is composed of two up quarks and one down quark is a (1) meson (3) proton (2) neutron (4) positron

When a fork is placed in a hot piece of lasagna, thermal energy is transferred up the fork by ...

Levi observed properties of four different waves and recorded observations about each one in his chart.

A rocket is shot straight up from the earth, with a net acceleration (acceleration by the rocket engine minus gravitational pullback) of during the initial stage of flight until the engine cut out at sec.

Which moon has a thick atmosphere made mostly of nitrogen?

J. J Thompson proposed that atoms were made up of positively charged particles with electrons scattered into them. How did he reach this conclusion?