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Fittoniya [83]
3 years ago
8

For what angle of projetion is the range is maximum​

Physics
1 answer:
VladimirAG [237]3 years ago
8 0

Answer:

46 degrees

Explanation:

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Which of the following is not true about the sun
skelet666 [1.2K]

<u>Answer:</u>

"The Sun's diameter is about five times that of Earth" is not true about the sun.

<u>Explanation:</u>

The Sun at the pivotal of the solar system is a star and covers 99.86% of the total mass of the system. Approximately 73% mass of the sun is due to hydrogen gas while nearly 25% mass due to helium and for the remaining mass small amount of heavier elements like carbon, oxygen, neon and iron are responsible.

The diameter of the sun is 864,000 miles or 1.39 million km or 109 times of the Earth while mass is 330,000 times of the Earth's mass. Sun is a almost perfect sphere of hot plasma with internal convective motion responsible for production of a magnetic field through a dynamo process. And the most important source of energy on Earth for life.

6 0
4 years ago
Lamar Gant, U.S. powerlifting star, became the first man to deadlift five times his own body weight in 1985. Deadlifting involve
Masja [62]

Answer:

W = 5586[J]

Explanation:

Work in physics is defined as the product of force by a distance.

W=F*d

where:

W = work [J]

F = force = m*g [N]

m = mass = 300 [kg]

g = gravity acceleration = 9.81 [m/s²]

d = distance = 1.9 [m]

Now replacing:

W=m*g*d\\W=300*9.81*1.9\\W=5586[J]

4 0
3 years ago
What type of wave requires a medium to transfer energy
vivado [14]
A mechanical wave
glad to help out!

6 0
4 years ago
Read 2 more answers
Fluorine (F) has nine protons and ten neutrons. The atomic mass of fluorine is _____.
wel
The atomic mass is roughly equal to the sum of protons and neutrons of an atom. 
9  protons + 10 neutrons = 19
Atomic mass of Flourine is 19. 
8 0
4 years ago
How long will a plane have to fly continuously with 900 miles per hour in order to cover the same distance as that from Earth to
hammer [34]

I'm not sure about the distance to the nearest star, but it's probably about        4 light-years (L-y).

1 L-y = 1.86 * 10E5 mi/sec * 3600 sec/hr * 24 hr/day * 365 day/yr

1 L-y = 5.9 *10E12 mi   and 4 L-y = 2.3 *10E13 mi    distance to star

2.3 * 10E13 mi / 900 mi/hr = 2.6 * 10E10 hr       hours to star

2.6 * 10E10 hr / (24 hr/day) = 1.1 * 10E9 day     days to star

1.1 * 10E9 day / 365 day/yr = 3 * 10E6 yr = 3 million years to star

4 0
3 years ago
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