what is the pressure produced by a kilogram of lead on a horzontal surface if its area it rests on is 0.02m^2?

30pts! and ill mark brainliest In Rutherford's gold foil experiment, the alpha particles that traveled through the gold foil hit the screen behind it in more than one spot. Explain the significance of this finding and the discovery it led to.

Jordan pushes with a force of 50N> on a crate. The friction forces are 100N<. Will the crate move? What is the acceleration of the crate?

What happens when a positively charged object is placed within a positive electric field

What is the atomic number of an Neon atom with 10 protons and 11 neutrons in its nucleus, & 10 Electrons in orbitals around the nucleus? -8 -None of these -21 -10

If a ball is thrown off of a 123 m cliff at a speed of 18 m/s, how far from the base of the cliff is the ball?

Which of the following elements is the most reactive? Beryllium Calcium Magnesium Barium

A flash of white light containing all the colors of the visible spectrum in air shines straight down on the surface of a pool.

A car accelerates uniformly from 0 to 15m/s in 5 s. Calculate acceleration.

Which device would a sleep researcher use to monitor a sleeping person's brain waves?

An experiment is performed to obtain the value of a physical property. If the true (i. e., correct) value of the property is 50 and the measured (i. e., experimental) value is 32, the percent error of the experimental result is: