The muzzle velocity of a 50.0 g shell leaving a 3.00 kg rifle is 400. m/s. What is

the recoil velocity of the rifle?

In most four-sroke internal combustion engines, when does the piston move downward?

At what latitudd is the coriolis effect the smallest

True or false: Being highly creative is a behavior leading to self-actualization.

An 18-year-old runner can complete a 10.0 km course with an average speed of 4.55 m/s. A 50-year-old runner can cover the same distance with an average speed of 4.05 m/s.

What is true about the debate of free will vs. determinism?

In an electric motor, the rotating coil of wires wrapped around an iron core is a (n)

Which of the following best explains why the end of a spoon sticking out of a cup of hot water also gets hot? The hot water causes a chemical reaction to take place in the spoon.

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