Answer:
Explanation:
The distance from Dallas to Houston is 362,000 meters:
Tom drives with an average speed of:
Then, knowing these values, you can use the following formula in order to find the time "t":
Therefore, substituting values into the formula, you get:
Rounded to the the hundredths place:
It is 5.3 x 10^-9 kiloliters.
Hope this helps.
Answer:
1)
2)
Explanation:
<u>Projectile Motion</u>
When an object is launched near the Earth's surface forming an angle with the horizontal plane, it describes a well-known path called a parabola. The only force acting (neglecting the effects of the wind) is the gravity, which acts on the vertical axis.
The heigh of an object can be computed as
Where is the initial height above the ground level, is the vertical component of the initial velocity and t is the time
The y-component of the speed is
1) We'll find the vertical component of the initial speed since we have not enough data to compute the magnitude of
The object will reach the maximum height when . It allows us to compute the time to reach that point
Solving for
Thus, the maximum heigh is
We know this value is 8 meters
Solving for
Replacing the known values
2) We know at t=1.505 sec the ball is above Julie's head, we can compute
Astronomers discover an exoplanet, a planet orbiting a star other than the sun, that has an orbital period of 4.50 earth years in a circular orbit around its star, which has a measured mass of 3.60×1030 kg.
The length of time it takes an astronomical object to complete one orbit around another object is known as the orbital period (also known as the revolution period). In astronomy, it typically refers to bodies like planets or asteroids revolving about the Sun, as well as moons circling other stars, exoplanets, and double stars.
A year refers to the orbital period of the Earth. A day is a period of rotation. 24 hours make up a solar day, although the Earth rotates around the sun by one degree every day. We can determine the orbital period by noting the interval between transits. If the mass of the orbiting star is known, one may use Kepler's Third Law to calculate the orbital radius of the planet (R3=T2Mstar/Msun; the radius is in AU and the period is in earth years).
To learn more about orbital period please visit -
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