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3 years ago

Lava that is very runny probably

1 answer:

5 0

A or B... I mean when lava is poured out to the surface, heat and soilica content may play a role... That's what I think sorry :(

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A bicyclist makes a trip that consists of three parts, each in the same direction (due north) along a straight road. During the

Advocard [28]

Answer:

The total distance traveled is $D = 26760 \ m$

The average velocity is $v_{avg} = 6.8 \ m/s$

Explanation:

From the question we are told that

The time taken for first part $t_1 = 22 \ minutes = 22*60 = 1320 \ s$

The speed for the first part is $v_1 = 7.2 \ m/s$

The time taken for second part is $t_2 = 36 \ minutes = 2160 \ s$

The speed for the second part is $v_2 = 5.1 \ m/s$

The time taken for third part is $t_3 = 8 \ minutes = 480 \ s$

The speed for the third part is $v_3 = 13 m/s$

Generally

$distance(D) = velocity * time$

Therefore the total distance traveled is

$D = (v_1 * t_1) + (v_2 * t_2 ) + (v_3 * t_3)$

substituting values

$D = (7.2 * 1320) + (5.1 * 2160) + (13 * 480)$

$D = 26760 \ m$

Generally the average velocity is mathematically represented as

$v_{avg} = \frac{D}{t_{total}}$

Where $t_{total}$ is the total time taken which is mathematically represented as

$t_{total} = 1320 + 2160 + 480$

$t_{total} =3960\ s$

The average velocity is

$v_{avg} = \frac{26760}{3960}$

$v_{avg} = 6.8 \ m/s$

8 0

3 years ago

What is the definition of Newton and could you leave an example of it too?

vichka [17]

What is the definition of newton

7 0

3 years ago

While developing his periodic table, Dmitri Mendeleev broke his own rule and placed the element tellurium before iodine in the g

icang [17]

The most likely reason that Mendeleev placed tellurium before iodine is <span>Mendeleev observed that tellurium has chemical properties like other elements in its group, and he did not know that neutrons cause the greater atomic mass.</span>

8 0

3 years ago

Read 2 more answers

The intensity of electromagnetic waves from the sun is 1.4 kW/m2 just above the earth's atmosphere. Eighty percent of this reach

Lina20 [59]

Answer:

4.7 × 10⁵J

Explanation:

E = I * a * t

80% = 0.80

25cm = 0.25m

52cm = 0.52m

0.90h = 3240s

E = (0.80)(1400)(0.25 * 0.52)(3240)

= 4.7 * 10⁵J

3 0

4 years ago

Lighting McQueen goes from rest to 30 m/s in 3.0 seconds. What is his<br> acceleration ?

alisha [4.7K]

Answer:

10 meters per seconds or 10m/s

Explanation:

6 0

3 years ago