Which best explains why trees are considered a renewable resource?

An engine can pump 30000 litres of water to a vertical height of 45 m in 10 minutes. Calculate the work done by the machine and its power. (g=9.8m/s2, Density ofwater=1000 kg/m3,1000 litre=1 m3)

How does the charge of a particle affect the direction in wich the particles deflected in a megnetic field

A is true B is false 11. The sun is a star 12. Fission is at every core of a star 13. There are 8 planets in the solar system 14. Jupiter is a gas planet 15. Mars is a gas planet 16. Ceres is within the asteroid field 17.

Solve for w. E = hf-w w=? 1) E/hf 2) - E/hf 3) E + hf 4) hf - E

Most stars end their life as which type of star? A) giant B) white dwarf C) neutron D) main sequence

An electron is moving at a speed of 4.8 * 10 6 m/s at an angle of 30.0° with respect to a uniform magnetic field of 9.2 * 10 - 4 T. What is the radius of the resulting helical path? (me = 9.11 * 10 - 31 kg, qe = 1.60 * 10 - 19 C)

Which transfer of energy occurs mainly through the process of convection?

The statement, "All basketball players are tall" is a stereotype.

Lonnie pitches a baseball of mass 0.20 kg. The ball arrives at home plate with a speed of 40 m/s and is batted straight back to Lonnie with a return speed of 60 m/s. If the bat is in contact with the ball for 0.

7. What type of mineral can scratch glass, but cannot scratch steel? A. Gypsum B. Diamond C. Feldspar D. Fluorite