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vovikov84 [41]
2 years ago
13

Un avión de pasajeros parte de un aeropuerto y toma la siguiente ruta: primero viaja desde un punto O hasta la ciudad A, localiz

ada a 175 Km en una dirección 30° al norte del Este. Luego se dirige a la ciudad B a 153 km. En dirección 20° al oeste del norte. Por último vuela 195 Km. Directo al oeste hacia la ciudad C. La posición de la ciudad C con respecto a la posición del punto de partida es
Physics
1 answer:
notka56 [123]2 years ago
5 0
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93 cm3 liquid has a mass of 77 g. When calculating its density what is the appropriate number of significant figures
lubasha [3.4K]

Answer:

828 kg/m³ or 0.828 g/cm³

Explanation:

Applying,

D = m/V............. Equation 1

Where D = density of the liquid, m = mass of the liquid, V = volume of the liquid.

From the question,

Given: m = 77 g , V = 93 cm³

Substitute these values into equation 1

D = 77/93

D = 0.828 g/cm³

Converting to kg/m³

D = 828 kg/m³

6 0
3 years ago
A 12000 kg train engine moving at 2.2 m/s hits and locks into 3 boxcars with a total mass of 25000 kg sitting still. If the coll
PilotLPTM [1.2K]

Answer:

V = 0.714m/s

Explanation:

Full solution calculation can be found in the attachment below.

From the principle of conservation of linear momentum, the sum of momentum before collision equals the sum of momentum after collision.

Before collision only the train had momentum. After the collision the train and the boxcars stick together and move as one body. The initial momentum of the train is now shared with the boxcars as they move together as one body. The both move with a common velocity v.

See the attachment below for the solution calculation.

5 0
2 years ago
Read 2 more answers
A box is at rest on a table. What can you say about the forces acting on the box?
GarryVolchara [31]

the upward force is from the table and the downward is from gravity they are equal in force so the box doesn't fly up or sink down


8 0
3 years ago
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1. Calculate the height of tree, 250 m away that produces
gtnhenbr [62]

Answer:

Explanation:

1.5/30 = x/250

x = 12.5 m

5 0
2 years ago
Which statement about speed and/or velocity is true?
maw [93]

Answer: The right Answer is Velocity has both speed and direction.

Explanation:

i took the test

8 0
2 years ago
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