A box contains 5. 0 × 1021 hydrogen atoms at room temperature (21 °c). Determine the internal energy of these atoms.

Vera is on her school's track and field team. in a practice long-jump competition against her teammates, she gets 5 points for landing over the farther line. she gets a total of 7 jumps and lands x times over the farther line and the rest of the times over the closer line. which of the following functions represents vera's total score? a. f(x)=10x b. f(x)=5x+35 c. f(x)=10x+5 d. f(x)=70-5x

Explain how you might determine the rate of weathering on a sample rock

Given: m∠apc = 27°, m dc = 27° find: m ab