jabbir1102 jabbir1102

01-01-2019
Physics

contestada

A train travels 81 kilometers in 3 hours, and then 63 kilometers in 4 hours. What is its average speed?

Respuesta :

zaidmir1987 zaidmir1987

01-01-2019

Avg speed =Total Distance / Total Time Taken

Therefore = Avg speed = 144/7 = 20.57 km/h

Hope you understood and liked my answer!

Answer Link

Otras preguntas

someone to help ? german

Subtopics in an informative essay should be A)equally important in support of the main idea B)only partly related to the main idea C)ranked from most convinci

Which expression correctly represents “six more than the product of five and a number, decreased by one”?

How is the prime minister of South Africa and the president of Nigeria alike?

Which of the following is sensory information received from the middle ear related to movement and balance? Oral perception Auditory perception Vestibular Propr

Jefferson and Hamilton each wrote to Washington on the same day. What seems to be the purpose of these letters? How can you tell?

When a blood clot breaks free and blocks a vessel leading to the brain a _______________________ can happen.

A small town has decided to forego the use of electrical power and send energy through town via mechanical waves on ropes. They use rope with a mass per length

The total surface area is _ square inches

Solve the compound inequality. 6 – x > 15 or 2x – 9 ≥ 3 A. x > 9 or x ≤ 6 B. x < 9 or x ≥ –6 C. x > –9 or x ≤ –6 D. x < –9 or x ≥ 6