An automobile accelerates from rest at
1.9 m/s2 for 30 s. the speed is then held
constant for 23 s, after which there is an ac-
celeration of -3.3 m/s' until the automobile
stops.
what total distance was traveled?
answer in units of km.

Avector a⃗ has a length of 8.6 m and points in the negative x direction. find the x component of the vector −3.7a⃗ .

Which statements did both aristotle and ptolemy assume? check all that apply.

The ideal gas model is valid if which of the following conditions is true? the gas density is low. the gas density is high. the temperature is low. the temperature is high. the gas density and the temperature are low. the gas density and the temperature are high. the gas density is high and the temperature is low. the gas density is low and the temperature is high.