Name and classify Si and Sb.

A) Sarium and siobium are metals.

B) Silicon and antimony are metalloids.

C) Silinium and sirbonium are non-metals.

D) Silver and seaborgium are transition metals.

In a system, when potential energy decreases, then entropy also decreases. True False

A simple atwood's machine uses a massless pulley and two masses m1 and m2. starting from rest, the speed of the two masses is 7.7 m/s at the end of 4.3 s.

What do wind turbines, hydroelectric dams, and ethanol plants have in common

How does the theory of plate tectonics support the theory of seafood spreading?

If a force of 12 n is applied to an object with a mass of 2kg the object will accelerate at

Explain how the energy of a rubber ball is transformed as it rolls down a ramp.

Which type of friction acts on an object that is not moving? static friction fluid friction sliding friction rolling friction

A substance maintaining a uniform appearance throughout

How much work will it take to lift a 2-kg pair of hiking boots 2 meters off the ground and onto a shelf in your closet? O A. 2.45 J OB. 4J C. 39.2 J D. 20 J

Two cars collide on the parkway. The drivers are following too closely and the driver in the front slows because of traffic to a velocity of 20.0m/s and the driver behind is still moving at 30.