When a body falls to the earth, the earth also move up to meet it but the earth motion is not noticeable. why?

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True or false Modifying your personal action plan can impede personal fitness goals.

Carbon-14 if often used for radioactive dating, but it has its limitations. Uranium-238 or lead-206 are most often used to date rocks.

An AC source drives a sinusoidal current of amplitude I0and frequency? into an inductor having inductance L and a capacitor having capacitance C that are connected in series.

What is the speed of a wave with a wavelength of 10 mm and a frequency of 5.0 Hz? A. 2 mm/s B. 0.5 mm/s C. 15 mm/s D. 50 mm/s

if light travels in a vacuum at 3.00 x 10^8m/s and its frequency is 7.44 x 10^7 what is its wavelength

the half-life of carbon - 14 is 5730 years. What fraction of carbon-14 would remain after 11,460 years?

An object with a mass of 10.9 kg experiences a force of 18.53 N. What is the acceleration of the object? A. 2.2 m/s2 B. 1.7 m/s2 C. 16.83 m/s2 D. 1.3 m/s2

A proton, starting from rest, accelerates through a potential difference of 1.0 kV and then moves into a magnetic field of 0.040 T at a right angle to the field. What is the radius of the proton's resulting orbit

Which of the following terms are needed to completely describe speed? Check all that apply. A. Units B. Direction C. Number D. Mass