Mee im taking a quiz

a scientific theory is different than the way we use the word theory in common speech. which of these is likely to be true about a theory as used in everyday life?

it is accepted by the scientific community.
it uses evidence to explain how nature works.
it's possible hypotheses are always found to be false.
it proposes an explanation of a particular event in our life.

•• al and bert are jogging side-by-side on a trail in the woods at a speed of 0.75 m/s. suddenly al sees the end of the trail 35 m ahead and decides to speed up to reach it. he accelerates at a constant rate of 0.50 m/s2, while bert continues on at a constant speed. (a) how long does it take al to reach the end of the trail? (b) once he reaches the end of the trail, he immediately turns around and heads back along the trail with a constant speed of 0.85 m/s. how long does it take him to meet up with bert? (c) how far are they from the end of the trail when they meet?

Which accounts for an increase in the temperature of a gas that is kept a constant volume

What is the name of the perceived change in a sound wave’s frequency due to motion between the observer and the sound source?