Aboy slides a book across the floor, using a force of 5 n over a distance of 2 m. what is the kinetic energy of the book after he slides it? assume there is no friction.
a. 20 j
b. 10 j
c. 5 j
d. 2.5 j

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.

If y gets smaller as x gets bigger and y have an relationship?

What is the orbital period of a spacecraft in a low orbit near the surface of mars? the radius of mars is 3.4×106m.