marialabrie2006 marialabrie2006
  • 15-01-2021
  • Physics
contestada

A car traveled 1,215 km West from El Paso to Dallas in 13.5 hours. What was its velocity?

A. 90m/s West

B. 90km/h

C. .09km/h West

D. 90km/h West

Respuesta :

quasarJose
quasarJose quasarJose
  • 16-01-2021

Answer:

D. 90km/hr due West

Explanation:

Given parameters:

Displacement  = 1215km

Time  = 13.5hr

Unknown:

Velocity  = ?

Solution:

Velocity is the displacement divided by the time taken;

   Velocity  = [tex]\frac{displacement}{time}[/tex]   = [tex]\frac{1215km}{13.5hr}[/tex]   = 90km/hr

Velocity is 90km/hr due West

Answer Link

Otras preguntas

one third of all coal miners in great britan in 1840 were under the age of 18. what percentage of the total numbers of coal miners is one third? A: 25% B: 33%
1 1/4 cup of milk in 15 brownies (this is unit rates)​
Give one example of another useful neutralisation reaction. Please help!!
Round your answer to the nearest hundredth. 700
A 62.6-gram piece of heated limestone is placed into 75.0 grams of water at 23.1°C. The limestone and the water come to a final temperature of 51.9°C. The speci
1. A sample of Oxygen gas occupies a volume of 250 ml at 0.97 atm pressure. What volume will it occupy at 1.05 atm pressure?
Jacey gets a $500loan at a simpleannual interestrate of 5%. She willpay back the loanin equal monthlypayments over oneyear. How much iseach payment?​
What decimal is equivalent to 26.4%
volunteers were 3/4 finished with the walkathon when they reached the 4 1/2-kilometer mark. how long was the walkathon?
por favor ayuda casi no entiendo álgebra me pueden ayudar ¡¡¡