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3 years ago

5

Hai xe chuyển động trên cùng một đoạn đường , khi xe (1) ở A thì xe (2) ở B phía trước với AB=5km . Xe (1) đuổi theo xe (2) . Tạ

i C cách B một đoạn BC=10km thì xe (1) đuổi kịp xe (2) . Tìm tỉ số vận tốc của hai xe

1 answer:

12345 [234]3 years ago

4 0

Answer:

b

Explanation:

because it shows you it

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Mendel made conclusions about inheritance without ever seeing chromosomes or knowing about DNA. Which technology has enabled the

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A mechanic has a wrench where the hand grip is 0.40 m from the axis of the bolt. To apply a torque of 170 N m with this wrench w

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Answer:

4.3 * 10 N

Explanation:

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170 Nm= 0.4 m * F

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2 years ago

What would happened if there is no invented of machine?

yuradex [85]

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1 year ago

vodomira [7]

Given parameters:

Mass on earth = 50kg

Unknown:

Mass on planet Xenon = ?

Weight on planet Xenon = ?

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Weight is the force on a body and it is derived from the product of mass and acceleration due to gravity.

Weight = mass x acceleration due to gravity

Planet Xenon has half the gravitational force of Earth.

This translated gives $\frac{9.8}{2}$ = 4.9m/s²

Now, mass is always the same every where if the amount of matter in a substance does not change.

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3 years ago

At a distance of 0.208 cm from the center of a charged conducting sphere with radius 0.100cm, the electric field is 485 n/c . wh

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We have the equation for electric field E = kQ/ $d^{2}$

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$d_{1}$ = 0.208 cm

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$E_{2}$ = ?

$\frac{485 }{E_{2}} = \frac{0.620^{2}}{0.208^{2}}$

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