A certain ohmic resistor has a resistance of 45 ohms. A second resistor is made of the same material but is three times as long and has a fourth the cross-sectional area. Part 1 What is the resistance of the second resistor

When you push downward on a book at rest on a table, you feel an upward force. does this force depend on friction? defend your answer.

The seven sisters, seven stars located more than 400 light-years away in the taurus constellation can be seen here with venus and another constellation, orion. the seven stars stay grouped together but seem to move, like the planet venus. why do stars seem to move like planets in the night sky?

At an oceanside nuclear power plant, seawater is used as part of the cooling system. this raises the temperature of the water that is discharged back into the ocean. the amount that the water temperature is raised has a uniform distribution over the interval from 10° to 25° c. what is the standard deviation of the temperature increase?