Mary walked north from her home to sheila's home, which is 4.0 kilometers away. then she turned right and walked another 3.0 kilometers to the supermarket, which is 5.0 kilometers from her own home. she walked the total distance in 1.5 hours. what were her average speed and average velocity? a. her average speed was about 4.6 km/hr, and her average velocity was about 3.3 km/hr. b. her average speed was about 3.3 km/hr, and her average velocity was about 4.6 km/hr. c. her average speed was about 3.3 km/hr, and her average velocity was 0 km/hr. d. her average speed was 0 km/hr, and her average velocity was about 4.6 km/hr.
Answers: 1
Physics, 22.06.2019 09:30
This is important. 1. which of the following is an si base unit for measuring length? (2 points) inch gram meter mole 2. which of the following units for distance is an si unit? (2 points) centimeter foot inch yard 3. which of the following tools should a scientist use to measure an object in meters? (2 points) electronic balance pan balance tape measure thermometer
Answers: 2
Physics, 22.06.2019 11:30
If we relied solely on the nonrenewable resources found in the u.s., which one would we run out of first at current usage levels? a. natural gas b. oil c. uranium d. coal
Answers: 1
Physics, 22.06.2019 11:30
Which of these questions might a character ask if the conflict is man versus self? a. which path should i take to better myself? b. which boulder will be too heavy for me to carry? c. which friend is going to ditch me today? d. all of the above
Answers: 1
Physics, 22.06.2019 14:10
The number of passengers who arrive at the platform of a subway station for the 10 am train is a random variable with a mean of 120 and a variance of 16. find the lower bound of the probability that there will be between 100 and 140 passengers (round off to second decimal place).
Answers: 3
Mary walked north from her home to sheila's home, which is 4.0 kilometers away. then she turned righ...
Mathematics, 19.07.2021 14:00
History, 19.07.2021 14:00
Mathematics, 19.07.2021 14:00
English, 19.07.2021 14:00
Mathematics, 19.07.2021 14:00
Mathematics, 19.07.2021 14:00
Social Studies, 19.07.2021 14:00
Mathematics, 19.07.2021 14:00
Mathematics, 19.07.2021 14:00
Social Studies, 19.07.2021 14:00
English, 19.07.2021 14:00
Biology, 19.07.2021 14:00
Mathematics, 19.07.2021 14:00