HELP ME PLEASE!! WILL RECEIVE BRAINLIEST A planet orbits the Sun at a distance of 2.87x10^9 km. If the mass of the Sun is 1.99x10^30 kg, find the orbital period of the planet. Calculate the orbital speed of the planet in the previous problem.

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.

Scientific models are based on current knowledge, which can limit their effectiveness when new discoveries are made.

Asynthetic fiber used in manufacturing carpet has tensile strength that is normally distributed with mean 75.5 psi and standard deviation 3.5 psi. how is the standard deviation of the sample mean changed when the sample size is increased from n equals 8 to n equals 47