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lukranit [14]
3 years ago
11

The train took 2 h 30 min to travel 3/5 of a journey at an

Physics
1 answer:
tresset_1 [31]3 years ago
6 0

Answer:

100 km/h

Explanation:

96km•2.5=240km

240÷3/5=240•5/3=400km

400-240=160km

4.1-2.5=1.6h

160÷1.6=100km/h

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En un barrio un estudiante observa un roedor en medio de dos postes, los cuales están comunicados por un solo cable de fibra ópt
castortr0y [4]

Answer:

7 Newton

Explanation:

Dado

Longitud de la cuerda = 50 m

El cable se dobla en 0,058 m.

Masa de roedor = 350 gramos = 0,35 kg

T = m * a + m × v2 / r

Sustituyendo los valores dados obtenemos

T = 0,35 (10 + 10)

T = 0,35 * 20

T = 7 Newton

4 0
2 years ago
Sarai strolls to the right with an average speed of 1.2m/s for 1500 seconds. What was Sarai's displacement in meters?
Sladkaya [172]

Answer:

1800 meters

Explanation:

Average speed=1.2 m/s

time= 1500 secs

Displacement = average speed × time

= 1.2 × 1500

=1800 meters

5 0
3 years ago
Read 2 more answers
This glass of lemonade is sitting in the hot summer sun. As time passes, in which direction will heat transfer take place?
Ad libitum [116K]

Answer:

A.

ice → lemonade it is the correct answer of this question

4 0
3 years ago
A 2.0-kilogram ball traveling north at 4.0 meters per second collides head on with a 1.0-kilogram ball traveling south at 8.0 me
enyata [817]

Answer:

We know the momentum after the collision MUST be equal to the momentum BEFORE the collision.  

Momentum is a VECTOR quantity having both magnitude and direction.  The first ball has momentum P =m*v = 2*4 = 8 at 90degrees.  The second ball has momentum P = 1*8 = 8 at -90 or 270 degrees.  They sum to zero when you perform vector addition.

Explanation:

6 0
2 years ago
An ostrich can run at a speed of 43 mi/hr. How much ground can an ostrich cover if it runs at this speed for 15 minutes? (Hint:
Simora [160]
..... It would possibly she eenejjsjejeej 1.4
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