A cross-country skier can complete a 7.5km race in 45min. What is the skiers average speed?

Which is true of electricity generated both from coal and from nuclear reactions?

Electric energy is generated at a nuclear power plant using which type of nuclear reaction

A rocket initially at rest acceleration at a rate of 99.0meter/second^2. Calculate the distance covered by the rocket if it attains a final velocity of 445 meters/seconds after 4.50 seconds.

Question 4 Unsaved If element X has 93 protons, how many electrons does it have? Your Answer:

What is a plasma? A. A superheated liquid B. A solid in which the particles vibrate very quickly C. A gas in which the atoms have started to come apart D. A very hot liquid

The hinge at A and cable BDC support beam ABC. Cable BDC passes over the pulley D that is pinned to the ceiling. (Assume that the + x-axis is to the right and the + y-axis is up along the page.

The "zone of avoidance" a) Accounts for the absence of any planet between the orbits of Mars and Jupiter Prevents collisions between planets in the Solar System.

Electric current is ...

What type of ethic is life-centered and views humans as just one component life on Earth

Which formula describes acceleration? m/s^2 m/s s/m m2