1.7 In one of the experiments, the trolley of mass 0.2 kg is on a frictionless horizontal
table. The trolley is joined to a hanging masspiece of mass 0,05 kg. The trolley and
the masspiece are joined together with an inelastic string of negligible mass and
runs over a frictionless pulley​

Which of the following harmful chemicals are found in tobacco smoke? a. carbon monoxide b. carbon dioxide c. nicotine b. carbon dioxide d. both a and c

Anybody wanna ? (picture included? )

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.