Seudónimo Seudónimo

07-11-2016
Chemistry

contestada

HURRY HURRY!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Kiley went 5.7 km/h north and then went 5.8 km/h west. From start to finish, she went 8.1 km/h northwest.
Which best describes her numbers?

A. 5.7 km/h north and 5.8 km/h west are instantaneous speeds, while 8.1 km/h northwest is the average speed.

B. 5.7 km/h north and 5.8 km/h west are average speeds, while 8.1 km/h northwest is the instantaneous speed.

C. 5.7 km/h north and 5.8 km/h west are average velocities, while 8.1 km/h northwest is the instantaneous velocity.

D. 5.7 km/h north and 5.8 km/h west are instantaneous velocities, while 8.1 km/h northwest is the average velocity.

Respuesta :

zerogladius zerogladius

07-11-2016

D. 5.7 km/h north and 5.8 km/h west are instantaneous velocities, while 8.1 km/h northwest is the average velocity.

Answer Link

Otras preguntas

Sanju a polygon with 9 sides how many vertices does a polygon have

Which has more power, love or fear?

Raj collected 17 leaves during the field trip. His goal is to collect 5 times as many leaves. How many more leaves does Raj need?

A student produces a power of p = 0.87 kw while pushing a block of mass m = 75 kg on an inclined surface making an angle of Î¸ = 8.5 degrees with respect to the

The removal of soil or sediment by wind and moving water or ice is called

A ____________ biopsy uses three different angles of mammography to precisely locate the mass in the breast.

how was the battle of antietam a crucial victory for the union

use for questions 4-6: A lettter is randomly chosen from the word CANDLESTICK. Find each probability.

If the equation y = 4x + 2 is changed to y = 1 4 x + 2, how will the graph of the line change? A) It will become steeper. B) It will become less steep. C) It

Which of the following is not an impact associated with the use of hydroelectric energy? a. release of contaminants b. interruption of natural water flow c.