A ball is thrown straight upward with a speed of +12 m/s. What is the ball's acceleration just after it is thrown? (A) zero
(B) 10 m/s2 upward
(C) 10 m/s2 downward
(D) 12 m/s2 upward
(E) 12 m/s2 downward

Solar cell a produces 100 joules of energy, when a light source is shown on it for 3 minutes. solar cell b produces 200 joules of energy when the same light source is shown on it for 5 minutes. which solar cell works better? a) solar cell b, because it produces more energy. b) solar cell b, because it generates more power. c) solar cell a, because it produces energy quicker. d) solar cell a, because it generates a greater wattage. eliminate

Choose the most likely outcome of this scenario: jen decided to go bike riding without a helmet. while no one is around during her ride, she is thrown from her bike when her wheel goes into a pothole. she is not injured, but she is terrified to get back on her bike. what happens next? a. her physical health is affected even though she wasn't hurt. b. her mental and emotional health are affected because she is afraid to get back on her bike. c. her social health is affected because she is worried her friends saw the fall. d. her overall health is not affected at all by her fall.

Individuals who live below the poverty line get seriously ill more often than those who do not what could be the hidden variable in this situation?