Suppose we have two positively charged particles a distance of 2 m apart from each other. Particle 1 has a charge of 6 C and particle 2 has a charge of 1.3 x 10^3 C. What amount of
electrostatic force exists between these two particles?
1.7 x 10^13 N
7.02 x 10^13 N
2.6 x 10^3 N

If you quadruple the temperature of a black body, by what factor will the total energy radiated per second per square meter increase? 1,024 64 16 4 256 submit answer

Ahanging spring stretches by 35.0 cm when an object of mass 450 g is hung on it at rest. in this situation, we define its position as x = 0. the object is pulled down an additional 18.0 cm and released from rest to oscillate without friction. what is its position x at a moment 84.4 s later? express your answer in cm.

Holes drilled several kilometers into earth’s crust provide direct evidence about earth’s interior in the form of