Cosmic rays are highly energetic particles which can travel at great speeds through outer space. a typical speed for a cosmic ray is 1.29 x 10^8 m/s. what is this speed converted to km/hr (kilometers per hour)? a. 1.29 x 10^5 km/hr b. 35.8 km/hr c. 7.74 x 10^6 km/hr d. 4.64 x 10^8 km/hr

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.

The necleus of an atom is made up of what subatomic particles?

Assume this car is driven off a cliff . how many arrows of force need to be drawn in the free body diagram? assume no air resistance -five -one -three -four