The drake equation calculates the number of technically advanced civilizations in the galaxy as a product of seven factors: r* fp ne fl fi fc l. in the sample calculation in the text, these values are taken as 1 × 1 × 0.1 × 1 × 1 × 1 × 100 = 10. if we were to redo the calculation, increasing each increasable factor by a multiple of ten, what would the result be?

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 law of the conservation of momentum says that the total momentum of any closed and isolated system cannot

Ahanging spring stretches by 35.0 cm when an object of mass 450 g is hung on it at rest. in this situation, we define its position as x = 0. the object is pulled down an additional 18.0 cm and released from rest to oscillate without friction. what is its position x at a moment 84.4 s later? express your answer in cm.