PLEASE ANSWER IM TAKING A TEST A bicyclist traveling at 24 km/h squeezes the brakes and slows down to a stop in 25 seconds. Which of the following statements best describes what happened
to the energy of the moving bicycle?
A The kinetic energy was converted to thermal energy

B. The chemical energy was converted to mechanical energy

C. The kinetic energy was converted to chemical energy

D
The chemical energy was converted to thermal energy

Question 7 [2 marks] in the circuit below, the electromotive force generated by the battery is e = 6.0 v, and the resistances are r1 = r4 = 1.0 q, r2 = r3 =2.0 q. r. the power delivered by the battery to the circuit is closest to a. 6 w в. 12 w с. 15 w d. 18 w e. 20 w final exam autumn 2014 page 5 of 9 68037 physical modelling faculty of science [2 mark] question 8 with reference to question 7, the current through resistor r2 is closest to a. 1 a в. 2 а c. 3 a d. 4 a e. 6 a

What changes occur in the brain during the teenage years? 25 points, someone me out!a.) thinking becomes slower as the brain grows larger. b.) connections between neurons become stronger and faster. c.) unused neurons fuse together to form larger, better functioning neurons. d.) more neurons are developed.

Achlorine atom has 17 protons and 18 neutrons. what is its mass number? what is its atomic number?