The speed of the sound wave in the chosen m_____ should be known
1 answer:
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Answer:
x component is 60.60 N and y component is 35 N ⇒ answer A
Explanation:
A boy is pulling a wagon with a force of 70.0 N directed at an angle
of 30 degrees above the horizontal then,
is the horizontal component of the force in the direction
of positive part of x-axis
is the vertical component of the force force in the direction
of positive part of y-axis
The x component of the force is the force multiplied by
cos(30)°
The y component of the force is the force multiplied by
sin(30)°
→ The x component = F cos(30)
→ The x component = 70 cos(30) = 60.60 N
→ The y component = F sin(30)
→ The y component = 70 sin(3) = 35 N
<em>x component is 60.60 N and y component is 35 N</em>
Answer: The correct answer is option (A).
Explanation:
Momentum of the car with 0.04 kg mass , which travelling with velocity of 2.00 m/s
Then the maximum speed of the another car in order to not to break the eggs will be same as first car:
Speed slightly more than 1 m/s will increase the momentum of second car and the eggs will break. So, from the given options the minimum speed need by the second car will be 1.42m/s.
Answer:
Aphelion: 6404 W/m2
Perihelion: 14978 W/m2
Explanation:
The solar energy flux depends on the solar power output divided by the surface of a sphere with a radius equal to the distance to the Sun.
The distances we need are the aphelion and perihelion of Mercury.
Planetary orbits are ellipses. In an ellipse the eccentricity is related to linear eccentricity and the length of the semi major axis:
Where
e: eccentricity
c: linear eccentricity
a: semi major axis
The linear eccentricity is equal to the distance of the focus of the center of the ellipse.
a = 0.39 AU = 5.83e10 m
In planetary orbits the Sun is in one of the fucuses. With this we can calculate the prihelion and aphelion as:
Ap = a + c = 5.83e10 + 1.22e10 = 7.05e10 m
Pe = a - c = 5.83e10 - 1.22e10 = 4.61e10 m
And the solar energy fluxes will be: