If element x has 28'protons how many electirons does it have

A 88.00 kg man is swinging on a rope, and the rope has a length of 12.0 meters. The mans speed at the bottom of his swing is 10.20m/s.

Any fracture or system of fractures along which Earth moves is known as a A. strain. B. stress. C. fault. D. deformation.

How many ounces of water do you need to drink daily?

The slotted arm OA rotates about a fixed axis through O. At the instant under consideration, θ = 36°, θ˙ = 36 deg/s, and θ¨ = 26 deg/s2.

A sample of the mineral calcite has a volume of 15 cm³ and a mass of 40.5 g. What is the density of the calcite? A. 0.37 g/cm³ B. 2.7 g/cm³ C. 55.5 g/cm³ D. 607.5 g/cm³

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

What are two ways to change velocity?

What is the main optical element of a refracting telescope?

Two water manometers are connected to a tank of air. One leg of the manometer is open to 100kPa pressure (absolute) while the other leg is subjected to 90kPa. Find the difference in deflection between both manometers, Delta h_a - Delta h_b.

Most geologists believe that the dinosaurs became extinct 65 million years ago when a large comet or asteroid struck the earth, throwing up so much dust that the sun was blocked out for a period of many months. A.