When electric current is flowing in a metal, the electrons are movinga. at nearly the speed of light. b. at the speed of sound in air. c. at the speed of sound in the metal. d. at none of the above speeds. e. at the speed of light.

A hollow aluminum cylinder 19.0 cm deep has an internal capacity of 2.000 L at 23.0°C. It is completely filled with turpentine at 23.0°C. The turpentine and the aluminum cylinder are then slowly warmed together to 91.0°C.

A pair of fuzzy dice are dangling from the rear view mirror of a car. when the car accelerates forward how are the dice likely to move, according to newton's first law? w are the dice likely to move, according to newton's first law?

Kasra was biking with a speed of 3 m/s. If he biked for 30 minutes. How far did he bike?

A 3.5-kg rifle fires a 15-g bullet at 840 m/s. With what speed does the rifle recoil (move backward toward the shooter's shoulder) ?

What is alloy classified as

Which of the following contains both protons and neutrons? a. outer shell b. nucleus c. covalent bond d. ionic bond

Density is a property of matter that relates

A main sequence star cools and expands. It must be entering which stage? A. white dwarf B. black dwarf C. red giant D. neutron star ... ?

Question 1: A man trailing a trolley bag and suddenly, the wheels of the trolley bag get locked. The man realises that he has to put extra effort to drag the bag. The man finds it difficult to drag the bag because

A body is thrown up with a velocity of u ... it reaches maximum height of h ... if its velocity is doubled the maximum height it reaches is?