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3 years ago

A neutron has what type of electrical charge?

Physics

2 answers:

luda_lava [24]3 years ago

7 0

Neutral. A neutron doesn’t have a positive charge like a proton or a negative charge like an electron.

vlabodo [156]3 years ago

4 0

The neutron has an electrical charge so they would be C. neutral.

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Metric conversions

sergij07 [2.7K]

1:-

1L=1000mL

$\\ \sf\longmapsto 45.23L$

$\\ \sf\longmapsto 45.23\times 1000$

$\\ \sf\longmapsto 45230mL$

2:-

1hL=10000cL

$\\ \sf\longmapsto .035hL$

$\\ \sf\longmapsto 0.035\times 10000$

$\\ \sf\longmapsto 350cL$

3:-

1mm=0.0001m

$\\ \sf\longmapsto 27.32$

$\\ \sf\longmapsto 27.32\times 0.0001$

$\\ \sf\longmapsto 0.0027m$

7 0

3 years ago

A room has a heater on one side and

Serjik [45]

Answer:

the warm air would be up and cool would be down

Explanation:

warm air is less dense and cool air is more dense

5 0

2 years ago

Assuming a vertical trajectory with no drag, derive the applicable form of the rocket equation for this application

VARVARA [1.3K]

Answer:

The vertical trajectory is governed by Ordinary Differential Equation.

Time derivatives of each state variables.

d(d)/dt = v, d(m)/dt = -d(m-fuel)/dt, d(v)/dt = F/m.

Where V is velocity positive upwards, t is time, m is mass, m-fuel is fuel mass, F is Total force, positive upwards.

Therefore,

F = -mg - D + T, If V is positive and

F = -mg + D - T, If T is negative.

D is drag and the questions gave it as zero.

Explanation:

The two sign cases in derivative equations above are required because F is defined positive up, so the drag D and thrust T can subtract or add to F depending in the sign of V . In contrast, the gravity force contribution mg is always negative. In general, F will be some function of time, and may also depend on the characteristics of the particular rocket. For example, the T component of F will become zero after all the fuel is expended, after which point the rocket will be ballistic, with only the gravity force and the aerodynamic drag force being p

8 0

3 years ago

You need to make a very dilute solution of sodium phosphate dihydrate (MW 142 g/mol, FW 178 g/mol). How many grams of sodium pho

dlinn [17]

Answer:

first question is 178 g of sodium phosphate dihydrate. second question is 0.25 mL

Explanation:

To know the number of grams from the number of moles $(0.5L*2mol/L)= 1mol$ . 1 mol is equal to 178 g. Second question mL of the stock is obtained from $(0.1L*5.0^-3mol/L)/2mol/L$ .

6 0

3 years ago

Water drips from a shower head (the sprayer at the top of the shower) and falls onto the floor 2.3 m below. The droplets are fal

Maurinko [17]

Answer:

0.767m

Explanation:

We are given that the time interval between each droplet is equal.

We are also given that the fourth drop is just dripping from the shower when the first hits the floor.

If they fall at the same time interval and we know that the distance between the shower head and floor are the same, they must therefore fall at the same velocity.

The distance between each drop has to be the same given that they fall at equal time intervals.

Let this distance be x.

We can then partition the entire height of the system into three parts (as shown in the diagram).

Hence, we can say that:

x + x + x = 2.3m

3x = 2.3m

=> x = 2.3/3 = 0.767m

Therefore, at the time the first drop hits the floor, the third drop is only 0.767 m below the shower head.

8 0

3 years ago