A0.500 kg rock is whirled in a vertical circle of a radius 0.60 m . the velocity of the rock at the bottom of the swing is 4.0 m/s . what is the acceleration
a 3.3 m/s^2
b 26.6 m/s^2
c 13.3 m/s^2
d 6.6 m/s^2

Which lists the main components of darwin’s theory of evolution? a. random mutations drive evolution; the evolution of a population happens slowly; organisms have common ancestors; organisms do not change. b. natural selection drives evolution; the evolution of a population happens slowly; organisms have common ancestors; organisms change over time. c. natural selection drives evolution; the evolution of a population happens rapidly; organisms have common ancestors; organisms change over time. d. random mutations drive evolution; the evolution of a population happens rapidly; organisms have common ancestors; organisms do not change.

Wavelength,frequency,and energy are related.what happens to a wave as it’s wavelength gets shorter?

Which best describes the difference between internal and thermal energy?