Categories
Physics Work

What are 2 conditions of doing work?

QUESTION What are 2 conditions of doing work? ANSWER A force must be applied to make a object move and direction the force is applied force; direction.

Categories
Physics Work

Work physics meaning

QUESTION Work physics meaning ANSWER work is the transfer of energy that occurs when a force makes an object move

Categories
Physics Work

Work everyday meaning

QUESTION Work everyday meaning… ANSWER Activity involving mental or physical effort done in order to achieve a purpose or result.

Categories
Electric Current Physics

Moving 4.0 coulombs of charge through a circuit requires 48 joules of electric energy. What is the potential difference across this circuit?

QUESTION Moving 4.0 coulombs of charge through a circuit requires 48 joules of electric energy. What is the potential difference across this circuit? ANSWER 12 V

Categories
Electric Current Physics

An MP3 player draws a current of 0.120 ampere from a 3.00-volt battery. What is the total charge that passes through the player in 900. seconds?

QUESTION An MP3 player draws a current of 0.120 ampere from a 3.00-volt battery. What is the total charge that passes through the player in 900. seconds? ANSWER 108 C

Categories
Electric Current Physics

A charge of 30. coulombs passes through a 24-ohm resistor in 6.0 seconds. What is the current through the resistor?

QUESTION A charge of 30. coulombs passes through a 24-ohm resistor in 6.0 seconds. What is the current through the resistor? ANSWER 5.0 A

Categories
Electric Current Physics

Pieces of aluminum, copper, gold, and silver wire each have the same length and the same cross-sectional area. Which wire has the lowest resistance at 20°C?

QUESTION Pieces of aluminum, copper, gold, and silver wire each have the same length and the same cross-sectional area. Which wire has the lowest resistance at 20°C? ANSWER Silver