Given: q1 = +10 uc = 1.0 x 10-5c
q2 = -15 uc = -1.5 x 10-5 c
k = 9.0 x 109 nm2/c2
r= 6.0 m
determine f.
-0.42
-0.23
-0.038

In which scenario is the least amount of work done on a crate? a force of 120 n moves it 25 m. a force of 115 n moves it 26 m. a force of 130 n moves it 22 m. a force of 125 n moves it 27 m.

The first law of thermodynamics states that heat added to a system is neither created nor destroyed but is transformed ⇒ as it changes into other forms of energy.

In a given chemical reaction, the energy of the products is greater than the energy of the reactants. which statement is true for this reaction?