A scientific theory can change if what?

Describe ehat happens at the molecular level during meilting

An adventurous archeologist (m = 80.5 kg) tries to cross a river by swinging from a vine. The vine is 11.0 m long, and his speed at the bottom of the swing is 7.80 m/s. The archeologist doesn't know that the vine has a breaking strength of 1,000 N.

Which statement best explains why Earth is not a perfect sphere? Earth revolves too quickly around the Sun Earth's spin on its axis causes the equator to bulge The circumference of the Earth is greater at its poles The gravity of the moon changes

Which is best supported by the data in the chart? Current W flows at a higher rate than Current Z. Current Y flows at a lower rate than Current X. Current X has a lower potential difference than Current Y.

3. The half-life of a radioactive atom is two months. If you start with lg of the element, how much will remain after six months? A. One-half of a gram will remain. B. One-fourth of a gram will remain. C. One-eighth of a gram will remain. D.

10 PTS. A resistor has a value of 2.2 x 10⁵ Ω ± 20%. What is the range of possible values for this resistor?

Describe 3 uses of radioactivity isotopes

Two friends, barbara and neil, are out rollerblading. with respect to the ground, barbara is skating due south at a speed of 5.9 m/s. neil is in front of her. with respect to the ground, neil is skating due west at a speed of 1.4 m/s.

If the average movement of the particles in a sweater increases, what will happen to the sweater's temperature?

Will you die if you eat wax?