subject
Chemistry, 03.10.2019 03:30 Hi1234t6

Acar traveled at a constant velocity of 70 mph from noon to 2: 00 pm. at 3: 00 pm the velocity of the car was 80 mph; and finally at 4: 30 pm the velocity of the car was 40 mph.

which statement accurately describes the acceleration of the car?

a) the car had a positive acceleration the entire time.
b) the car had a negative acceleration from noon to 2: 00 pm.
c) the acceleration of the car from 3: 00 pm to 4: 30 pm was zero
d) the car had a positive acceleration between 2: 00 pm and 3: 00 pm.

ansver
Answers: 2

Another question on Chemistry

question
Chemistry, 21.06.2019 22:30
Ibeg i need 20. a reaction produces 4.93 l of oxygen, but was supposed to produce 1 mol of oxygen. what is the percent yield?
Answers: 1
question
Chemistry, 22.06.2019 07:00
Which set of characteristics best describes igneous rock? a) largest type of rock, made of organic matter, hardest type of rock b) least abundant type of rock, made of other rocks, made mostly of minerals c) found on all continents, contains wavy bands of stripes, contains fossils d) most abundant type in earth's crust, made of magma/lava, contains no fossils
Answers: 1
question
Chemistry, 22.06.2019 11:40
Which of these expressions are correct variations of the combined gas law? p1v1t2 = p2v2t1 both
Answers: 2
question
Chemistry, 22.06.2019 21:30
Achemical reaction is done in the setup shown, resulting in a change of mass. what will happen if the same reaction is done in a sealed container that is placed on the electronic balance?
Answers: 1
You know the right answer?
Acar traveled at a constant velocity of 70 mph from noon to 2: 00 pm. at 3: 00 pm the velocity of th...
Questions
question
Business, 10.12.2019 20:31
question
Mathematics, 10.12.2019 20:31
question
Mathematics, 10.12.2019 20:31