This woman is riding a bicycle down a hill at a constant speed and in a straight line.
Which situation will change the direction of the bicycle?
A. Added forces of 10 N up the hill and 30 N down the hill
B. An added force of 20 N down the hill
C. Added forces of 30 N up the hill and 30 N down the hill
D. An added force of 20 N to the side of the hill

Will mark brainliest 26. which of these statements are true? (3 points) a. gases are compressible b. gases fill their containers completely c. the pressure of a gas is independent of the temperature d. gases have mass e. gases exert pressure f. the pressure of a gas is dependent on the volume g. gas pressure results from the collisions between gas particles h. gases have a definite volume and shape

How many molecules are found in 1.32 mol of nacl?

What happens to isotopes that are unstable?