reese475 reese475

18-08-2019
Physics

contestada

A train travels at 50 km in three hours in the 96 km in four hours what is its average speed?

Respuesta :

MathPhys MathPhys

18-08-2019

Answer:

≈20.9 km/hr

Explanation:

Average speed is the distance divided by time.

The train travels 50 km in 3 hours, then 96 km in 4 hours. So overall, the train travels 146 km in 7 hours. The average speed is:

146 km / 7 hr ≈ 20.9 km/hr

Answer Link

Otras preguntas

What effect does increasing the temperature have on a solvent?

What's $1,000,000 - $69,607 - $296,900 - $5075 - $23,205 = ?

How will happen to yourself after you die?

The distance AB rounded to the nearest tenth (-2, 1) and (1,-1)

The British government has supported the natural rights of the colonists over time, but the colonists believe they can do a better job on their own.

What is the purpose of physical maps? What is the purpose of political maps? PLEASE HELP

Which of these in-text citations are formatted correctly? Check all that apply.Odysseus “addressed them, sore at heart. (Homer 14)”Odysseus “addressed them, sor

f (x) = -3x - 1, g(x) = 2x – 5, h(x) = -4x2 – 7 Find (gof)(x)

What does it mean todat?

A buffalo roams West for 125 m, then East for 175 m and then West again for 87.2 m. What is the buffalo's displacement.