dericks123 dericks123

13-03-2018
Physics

contestada

A train travels 51 kilometers in 2 hours, and then 53 kilometers in 5 hours. What is its average speed?

Respuesta :

13-03-2018

Total distance = (51km + 53km) = 104 km

Total time = (2hrs + 5hrs) = 7 hours

Average speed = (total distance covered) / (time to cover the distance)

= (104 km) / (7 hrs) = 14.86 km/hr .

Answer Link

Otras preguntas

Which are products of nuclear fusion? check all that apply. energy helium gas high temperatures hydrogen gas low pressure

A nutrition periodization plan is sports specific but generally not athlete specific. a. true b.false

What is the general form of the equation for the given circle centered at o(0, 0)? a. x2 y2 41 = 0 b. x2 y2 − 41 = 0 c. x2 y2 x y − 41 = 0 d. x2 y2 x − y − 41 =

You are having dinner with your friend who experiences a sudden onset of intense terror, without warning and with no specific cause. Your friend would most like

Directions: Find the missing angle in each of the following problems. 1. QR = 36 ; PR = 45 ; PQ = 21, Sin __?___ = 21 / 45 2. QR = 16 ; PR = 2 ; PQ = 8, tan __?

Organism x is a brand new species to science. it lives deep in caves and thrives by absorbing carbon from other organisms. this organism is likely a?

I need help please asap ?!!!!

What are the solutions of the equation x4 6x2 5 = 0? use u substitution to solve.

Help me with this question asap!

Andy warhol used commercial processes to create many of his works because ________.