Ms. Reitman's scooter starts from rest and accelerates at 2.0 m/s2. What is the scooter's velocity after 7 s?
a 10 m/s
b 14 m/s
C 18 m/s
d 20 m/s

An ideal gas is held in a container at constant volume. initially, its temperature is 5 degrees c and its pressure is 1.2 atm. what is its pressure when its temperature is 43 degrees c? answer in units of atm

At what time will the interfering waves have an amplitudeof zero?

Which component of the earth’s atmosphere is decreased due to photosynthesis?