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victus00 [196]
3 years ago
15

Question 7 of 10

Physics
2 answers:
jeyben [28]3 years ago
5 0

Answer: it is A

Explanation: A p e c

Vitek1552 [10]3 years ago
3 0

Answer:

A

Explanation:

A p e x

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Is radioactivity on the Earth something relatively new?
luda_lava [24]

naturally occurring radioactive elements have been around since the Earth's formation


3 0
4 years ago
How far will a stone travel over level ground if it is thrown upward at an angle of 30.0° with respect to the horizontal and wit
Elis [28]

Explanation:

It is given that, a stone travel over level ground if it is thrown upward at an angle of 30.0° with respect to the horizontal.

Speed with which it is thrown, v = 11 m/s

We need to find the maximum height above the ground level. The maximum height attained by the stone is given by :

h=\dfrac{v^2sin^2\theta}{2g}

h=\dfrac{(11\ m/s)^2sin^2(30)}{2\times 9.8\ m/s^2}

h = 1.54 m

So, the stone will travel a distance of 1.54 meters.

Range of a projectile is given by :

R=\dfrac{v^2sin\ 2\theta}{g}

R=\dfrac{(11\ m/s)^2sin(60)}{9.8\ m/s^2}

R = 10.69 m

So, the maximum range achieved with the same initial speed is 10.69 meters. Hence, this is the required solution.

5 0
3 years ago
What is an atomic orbital
Serjik [45]
The probability of finding an electron with random motion at a certain energy level (distance away from) the nucleus
8 0
3 years ago
Read 2 more answers
The density of water is 1.00 g/cm3. What is its density in kg/m3?
r-ruslan [8.4K]
1 g = 1 ÷ 1000 kg
= 0.001 kg

1 cm³ = 1 ÷ 100 ÷ 100 ÷ 100 m³
= 0.000001 m³

1 g/cm³ = 1 g / 1 cm³
= 0.001 kg / 0.000001 m³
= 1000 kg/m³

The density is 1000 kg/m³.
3 0
3 years ago
Please help if you know
erica [24]

This question involves the concepts of induced emf and magnetic field.

The wire has to move at a speed of "20 m/s".

<h3>Speed of Wire</h3>

The emf induced in a current carrying conductor when it passes through a magnetic field is given by the following formula:

E = vBl\\\\v=\frac{E}{Bl}

where,

  • v = speed = ?
  • E = induced emf = 10 volts
  • B = magnetic field = 2.5 T
  • l = length of wire = 0.2 m

Therefore,

v=\frac{10\ volts}{(2.5\ T)(0.2\ m)}

v = 20 m/s

Learn more about induced emf here:

brainly.com/question/16764848

#SPJ1

7 0
3 years ago
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