An electron in the n=7 level of the hydrogen atom relaxes to a lower energy level, emitting light of 1005 nm. part a what is the value of n for the level to which the electron relaxed? express your answer as an integer.

Which central heating system involves a furnace and a blower?

A bike accelerates uniformly from rest to a speed of 7.10 m/s over a distance of 35.4 meters. Determine the acceleration of the bike.

How much power is needed to move an object that is 25.3 N a distance of 1.3 m in 2.5 seconds.

What causes clouds to form on the upwind side of mountain range

A student on her way to school walks eastward in a straight line 20.0 meters towards the bus stop, but realizes she dropped her physics notebook along the way and turns around to retrace her steps. She has traveled back 18.

Which of the following is an example of a research topic that is too broad? A. All about hip-hop music B. Hip-hop and the voice of outrage C. Rhyme and meter in hip-hop music D. Block parties and the origins of hip-hop

What's is the power output of an engine that does 60000 J of work in 10 seconds

Which of the following correctly identifies a voltage source and its method of developing electric potential? a. primary cell-heat action on a device b. thermocouple-chemical action c. dry cell-chemical action d. generator-genetic action

A car travels from boston

What number is between 2000 and 2500