DATA Navigating in the Solar System . The Mars Polar Lander spacecraft was launched on January 3. 1999. On December 3. 1999, the day Mars Polar Lander impacted Martian surface at high velocity and probably disintegrated, positions of the earth and Mars were given by these coordinates: With these coordinates, the sun is at the origin and the earth’s orbit is in the xy -plane. The earth passes through the + x -axis once a year on the autumnal equinox, the first day of autumn in the northern hemisphere (on or about September 22). One AU, or astronomical unit , is equal to 1.496 × 10 8 km, the average distance from the earth to the sun. (a) Draw the positions of the sun, the earth, and Mars on December 3. 1999. (b) Find these distances in AU on December 3. 1999: from (i) the sun to the earth, (ii) the sun to Mars; (iii) the earth to Mars, (c) As seen from the earth, what was the angle between the direction to the sun and the direction to Mars on December 3. 1999? (d) Explain whether Mars was visible from your current location at midnight on December 3, 1999. (When it is midnight, the sun is on the opposite side of the earth from you.)
DATA Navigating in the Solar System . The Mars Polar Lander spacecraft was launched on January 3. 1999. On December 3. 1999, the day Mars Polar Lander impacted Martian surface at high velocity and probably disintegrated, positions of the earth and Mars were given by these coordinates: With these coordinates, the sun is at the origin and the earth’s orbit is in the xy -plane. The earth passes through the + x -axis once a year on the autumnal equinox, the first day of autumn in the northern hemisphere (on or about September 22). One AU, or astronomical unit , is equal to 1.496 × 10 8 km, the average distance from the earth to the sun. (a) Draw the positions of the sun, the earth, and Mars on December 3. 1999. (b) Find these distances in AU on December 3. 1999: from (i) the sun to the earth, (ii) the sun to Mars; (iii) the earth to Mars, (c) As seen from the earth, what was the angle between the direction to the sun and the direction to Mars on December 3. 1999? (d) Explain whether Mars was visible from your current location at midnight on December 3, 1999. (When it is midnight, the sun is on the opposite side of the earth from you.)
DATA Navigating in the Solar System. The Mars Polar Lander spacecraft was launched on January 3. 1999. On December 3. 1999, the day Mars Polar Lander impacted Martian surface at high velocity and probably disintegrated, positions of the earth and Mars were given by these coordinates:
With these coordinates, the sun is at the origin and the earth’s orbit is in the xy-plane. The earth passes through the +x-axis once a year on the autumnal equinox, the first day of autumn in the northern hemisphere (on or about September 22). One AU, or astronomical unit, is equal to 1.496 × 108 km, the average distance from the earth to the sun. (a) Draw the positions of the sun, the earth, and Mars on December 3. 1999. (b) Find these distances in AU on December 3. 1999: from (i) the sun to the earth, (ii) the sun to Mars; (iii) the earth to Mars, (c) As seen from the earth, what was the angle between the direction to the sun and the direction to Mars on December 3. 1999? (d) Explain whether Mars was visible from your current location at midnight on December 3, 1999. (When it is midnight, the sun is on the opposite side of the earth from you.)
a cubic foot of argon at 20 degrees celsius is isentropically compressed from 1 atm to 425 KPa. What is the new temperature and density?
Calculate the variance of the calculated accelerations. The free fall height was 1753 mm. The measured release and catch times were:
222.22 800.00
61.11 641.67
0.00 588.89
11.11 588.89
8.33 588.89
11.11 588.89
5.56 586.11
2.78 583.33
Give in the answer window the calculated repeated experiment variance in m/s2.
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