Help i dont know what it is

Physics

1 answer:

uysha [10]3 years ago

7 0

Answer:

object B of 30 kg

Explanation:

an example be..let object B is earth and object A is moon ....the gravitational force of earth is greater than moon because the higher the mass the more the gravitational force towards it.

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If aluminum loses all 3 electrons how do you write the ion

Kruka [31]

It will be then a positive ion and will be written as,
Al^3+

5 0

4 years ago

The train traveled 500 kilometers north to Odessa in 2 hours . What’s the train’s speed ? What is the velocity ?

ElenaW [278]

Explanation:

Speed is distance over time.

500 km / 2 hr = 250 km/hr

Velocity is speed and direction.

250 km/hr north

7 0

3 years ago

Please help these with these two questions

Gennadij [26K]

<h2>If the distance between Earth and moon is increased , the gravitational force will decrease by a proportional amount .</h2><h2>The iron filings sprinkle around the magnet are arranged in regular pattern . The reason for this is that magnet can attract magnetic substances through various materials .</h2>

Explanation:

If the distance between Earth and moon is increased , the gravitational force will decrease by a proportional amount .

The iron filings sprinkle around the magnet are arranged in regular pattern . The reason for this is that magnet can attract magnetic substances through various materials .

8 0

3 years ago

If a converging lens forms a real, inverted image 24.0 cm to the right of the lens when the object is placed 48.0 cm to the left

viva [34]

Answer:

Focal length, f = 16 cm

Explanation:

Image distance, v = 24 cm

Object distance, u = -48 cm

We need to find the focal length of the lens. It can be determined using the lens formula as :

$\dfrac{1}{v}-\dfrac{1}{u}=\dfrac{1}{f}$