In order to try and recover a car stuck in a muddy field, two tractors pull on it. The first acts at an angle 20º left of the forwards direction with force of 2250N. The second acts 15º to the right of direction with force of 2000N. Find resultant force on the stuck car.

The us government wants to allocate billions of dollars in the next 10 years to assure our future energy security. the funds will be spread among a variety of possible energy resources. where do you think the government should put the greatest support: solar energy, wind energy, clean coal, oil exploration, gas exploration, or a combination of sources? are there other efforts that should be explored? support your position with cited information for both questions.

A150 w lamp emits light of wavelength 590 nm uniformly in all directions. what is the photon flux (photons per unit area per unit time) on a small screen at a distance 2.3 m from the lamp? assume the photons are uniformly distributed over the surface of a sphere of radius 2.3 m.

Which type of bond is found between the atoms of a molecule? a. metallic b. delocalized electron c. covalent d. ionic