Chemistry, 10.03.2020 23:15 jbarbie3

7. Halfway through a cross country meet, a
runner's speed is 4 m/s. In the last stretch,
she increases her speed to 7 m/s. What is
her change in speed

Answers: 2

Show answers

Other questions on the subject: Chemistry

Chemistry, 22.06.2019 16:00, sassy11111515

The chemical equation below shows the reaction of sodium (na) and chlorine (cl) to form sodium chloride (nacl). 2na + cl2 → 2nacl in this equation, which of the following is a reactant? i. sodium ii. chlorine iii. sodium chloride

Answers: 1

continue

Chemistry, 22.06.2019 18:30, robjaykay

The famous scientist galileo galilei did several experiments with sloping planes, which he rolled metal balls down so that he could study motion. by changing the slope, he could study how the speed at which the ball rolled was affected. what was the independent variable in galileo's experiment? a. the speed of the ball b. the slope of the plane c. whether the ball moved d. what the ball was made of

Answers: 2

continue

Chemistry, 22.06.2019 20:40, larkinc2946

What effect would average population growth have on land usage? a. urban use of land would rise to more than 30 percent of available land. b. industrial use of land would rise to more than 30 percent of available land. c. the percentage of available land used as cropland would stay the same. d. cropland would fall to about 10 percent of available land.

Answers: 1

continue

Chemistry, 22.06.2019 21:50, nyajah13

If e is the symbol for an element, which two of the following symbols represent isotopes of the same element? 1. e2. e3. ea.1 and 2c.1 and 4b.3 and 4d.2 and 3

Answers: 2

continue

You know the right answer?

7. Halfway through a cross country meet, a
runner's speed is 4 m/s. In the last stretch,
...