chikilin1k chikilin1k

02-09-2019
Physics

contestada

What is the velocity of a bullet train that moves 400 meters west over 3 minutes anad 20 seconds?

Respuesta :

encali2008 encali2008

02-09-2019

Answer: v= 2m/s

Explanation: simple kinematic

time moving t= 3min+20s = 3*60+20 = 200s

velocity v= distance / time = 400m / 200s = 2m/s ( very slow ... usain bolt is faster than your train ... v(bolt)= 100m /9.5s = 10.5m/s

best wishes form colombia

Answer Link

Otras preguntas

Yo le la verdad a mi esposa siempre.

A 76.4 g piece of metal at 82.0°C is placed in 119 g of water at 20.0°C contained in a calorimeter. The metal and water come to the same temperature at 23.4°C.

The equation of the curve is such that d²y/dx² = 6x² -4/3x^3. The curve has a stationary point at (-1 ; 9/2). a. Determine the nature of the stationary point at

solve using elimination -5x+7y=-1 9x-7y=-15

what werr three key provisions of the treaty of paris

Which diagram shows a 90 degree angle?

Lisa, a network manager, has been assigned to a new team. She organizes a meeting to understand the strengths and talents of the team members. Which quality is

PLEASE HELP ME I'M CONFUSED.

1. 2. 3. A student investigated displacement reactions of metals. The student added different metals to copper sulfate solution and measured the temperature cha

How did the non-cooperation become a movement? Explain?