a person throws a baseball from height of 7 feet with an inicial vertical velocity of 50 feet per second. Use the vertical motion model h= -16t^2+vt+s, where v is the inicial velocity in feet per seconf and s is the height in feet, to calculate the amount of time the baseball is in the air before it hits the ground. Round your answer to the nearest tenth if necessary. Time in air:___ seconds

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.

Where is the potential energy throughout the loading, cocking, and releasing of the trebuchet?

You can decrease the resistance of a length of wire by