chandlerwilliam chandlerwilliam

27-02-2018
Physics

contestada

A train travels 67 kilometers in 1 hours, and then 81 kilometers in 5 hours. What is its average speed?

Respuesta :

27-02-2018

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

Total distance = (67 km + 81 km) = 148 km

Time to cover the distance = (1 hr + 5 hr) = 6 hr

Average speed = (148 km) / (6 hr) = (24 and 2/3) km/hr

Answer Link

Otras preguntas

How ArrayList and Vectors are different and in what case we should use Array and in what case we should use Vectors

Moon Software Inc. is planning to issue two types of 25-year, noncallable bonds to raise a total of $6 million, $3 million from each type of bond. First, 3,000

Find the area of a triangle with legs that are: 15 mm, 10 mm, and 20 mm.

What is the period of a satellite placed in an orbit 2.78 X 10^10 m above the surface of the earth?

PLEASE HELP! What is the relationship between vectors, complex numbers and polar coordinates?

la escultura a. las matemáticas c. las lenguas b. el arte d. la informática Please select the best answer from the choices provided A B C D

Thetremendous diversity of the source systems is the primary reasonfor their complexity. Do you agree

A satellite is orbiting at a height of about 650 km above the earth's surface. The mass of the earth is 5.976 x 10^24 kg and the radius of the earth is 6.378 x

Use the data from this table of thermodynamic properties to calculate the values of ΔS°rxn for each of the following reactions at 25 °C. A) 4NH3(g) + 7O2(g) ---

What is the minimum number of 100 Ohm resistors that you need to design an effective resistor with 275 Ohm resistance.