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3 years ago

The bigger an object is the smaller the force of gravity. True or False

Physics

1 answer:

castortr0y [4]3 years ago

7 0

Answer:

False

Explanation:

The force of gravity depends on the mass of an object as its directly proportional to mass. This is according to Newtons law of gravitation which states that the force of gravitation between two objects is directly proportional to the masses of the object and inversely proportional to their distance apart. An increase in an object mass will lead to an increase in the force of gravity.

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To fill the medication prescription, what information must the pharmacy technician need to obtain? A. The name of the medication

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3 years ago

A 16.0kg canoe moving to the left at 12.5m/s makes an elastic head-on collision with a 14.0kg raft moving to the right at 16.0m/

kherson [118]

The canoe is moving at 14.1 m/s to the right after the collision.

Explanation:

According to the law of conservation of momentum, in absence of external forces the total momentum of the system must be conserved before and after the collision. So we can write:

$p_i = p_f\\m_1 u_1 + m_2 u_2 = m_1 v_1 + m_2 v_2$

where:

$m_1 = 16.0 kg$ is the mass of the canoe

$u_1 = -12.5 m/s$ is the initial velocity of canoe (we take right as positive direction, and since the canoe is moving to the left, its velocity is negative)

$v_1$ is the final velocity of the canoe

$m_2 = 14.0 kg$ is the mass of the raft

$u_2 = +16.0 m/s$ is the initial velocity of the raft

$v_2 = -14.4 m/s$ is the final velocity of the raft

Re-arranging the equation and substituting the values, we find: the final velocity of the canoe:

$v_1 = \frac{m_1 u_1 + m_2 u_2-m_2 v_2}{m_1}=\frac{(16.0)(-12.5)+(14.0)(16.0)-(14.0)(-14.4)}{16.0}=+14.1 m/s$

So, the canoe is moving at 14.1 m/s to the right after the collision.

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3 years ago

Interpretar el servicio de la verdad

Lelechka [254]

Umm what are you trying to say

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3 years ago

In a laboratory experiment, a diffraction grating produces an interference pattern on a screen. If the number of slits in (inclu

Darya [45]

Answer:

Explanation:

When the number of slits increases, the intensity of fringes increases.

So, the fringes appear to be more bright.

As we know that the fringe width is inversely proportional to the number of slits, so as the number of slits increases, the fringe width decreases, hence the fringes are narrower, bright and close together.

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3 years ago

An athlete practicing for a track meet ran 400 meter in 50 seconds. What was his average speed?

sattari [20]

Speed= Distance ÷ time

Speed= 400 ÷ 50 =8 m/s

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3 years ago