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4 years ago

How are land-use laws in the United States different from the land-use laws inherited from England?

Physics

2 answers:

ycow [4]4 years ago

7 0

Private property owners must allow for public access and use.

Morgarella [4.7K]4 years ago

6 0

Answer is 
Private property owners in the United States can restrict public access to their land.

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A positively charged insulating rod is brought close to an object that is suspended by a string. If the object is repelled away

Trava [24]

Answer

A) Positively charged two insulating rod are brought closed to an object they repel each other. It means the Object is positively charged. Because similar charge repel each other.

The correct answer is Option A.

B) we know force between to charges is calculated using Formula

$F = \dfrac{kQ_1Q_2}{r^2}$ .......(1)

form the given condition in the question

$F' = \dfrac{k\dfrac{Q_1}{4}\dfrac{Q_2}{4}}{(\dfrac{r}{2})^2}$

$F' = \dfrac{k\dfrac{Q_1}{4}\dfrac{Q_2}{4}}{(\dfrac{r^2}{4})}$

$F' = \dfrac{4}{16}\dfrac{kQ_1Q_2}{r^2}$

from equation (1)

$F' = \dfrac{F}{4}$

hence, the correct answer is Option C.

3 0

3 years ago

The severity of a fall depends on your speed when you strike the ground. All factors but the acceleration from gravity being the

Diano4ka-milaya [45]

Answer:

The object could fall from six times the original height and still be safe

Explanation:

Free Falling

When an object is released from rest in free air (no friction), the motion is completely dependant on the acceleration of gravity g.

If we drop an object of mass m near the Earth surface from a height h, it has initial mechanical energy of

$U=m.g.h$

When the object strikes the ground, all the mechanical energy (only potential energy) becomes into kinetic energy

$\displaystyle K=\frac{1}{2}m.v^2$

Where v is the speed just before hitting the ground

If we know the speed v is safe for the integrity of the object, then we can know the height it was dropped from

$\displaystyle m.g.h=\frac{1}{2}m.v^2$

Solving for h

$\displaystyle h=\frac{m.v^2}{2mg}=\frac{v^2}{2g}$

If the drop had occurred in the Moon, then

$\displaystyle h_M=\frac{v_M^2}{2g_M}$

Where hM, vM and gM are the corresponding parameters on the Moon. We know v is the safe hitting speed and the gravitational acceleration on the Moon is g_M=1/6 g

$\displaystyle h_M=\frac{v^2}{2\frac{1}{6}g}$

$\displaystyle h_M=6\frac{v^2}{2g}=6h$

This means the object could fall from six times the original height and still be safe

6 0

4 years ago

Moby lifted Tim off the ground a distance of 2 meters using a force of 2N. How much work did Moby do?

Damm [24]

Answer:

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3 0

3 years ago

The -is the process by which gases in the atmosphere absorb and reradiate heat?

Nikolay [14]

Water vapor and carbon dioxide

3 0

3 years ago

use the periodic table to determine which of the following would be an isotope of bromine (br) check all that apply

gayaneshka [121]

The isotopes of a element is defined as the atoms having same atomic number and different mass number.

As per periodic table Br has atomic umber Z=35 and its atomic mass is given as 79.904 or 79.

As per the question nothing has been mentioned .

so all the atoms whose atomic number will correspond to 35 will be considered as the isotope of bromine.

Generally Bromine exhibits two isotopes which are stable.The isotopes are Bromine-81 and Bromine-77.

Some times during the process of gamma decay Bromine forms many radio isotopes also which are unstable.

5 0

4 years ago