How are speed and velocity different

Assignment Help Physics
Reference no: EM13798279

Practice Questions

1. What is the total number of galaxies in the observable universe?

2. How are speed and velocity different?

3. Rank the following objects from the smallest to the largest: Earth, Sun, Local Group, Virgo cluster, Pluto, Halley's Comet, Coma Supercluster, The Large Magellan Cloud, Milky Way Galaxy, Moon, Jupiter.

4. True or False: The orbits of nearly all large objects in the solar system, the planets and large moons, go from East to West.

5. True or False: The rotation of nearly all large objects in the solar system, the Sun, the planets, and large moons go from West to East.

6. What is the apparent retrograde motion of a planet, like Mars or Saturn?

7. How did the ancient Greeks measure the radius of the earth?

8. One evening you see the moon starts to rise from the eastern horizon as the Sun is beginning to set. The moon will appear as _________________.

9. One evening at 7 PM you see a crescent Moon setting shortly after sunset. Is it a waxing or waning crescent?

10. How did the observation of the four moons of Jupiter by Galileo invalidate the geocentric system?

11. Around which part of a comet's orbit does it have "hair"?

12. Roughly, what's the size of the Milky Way galaxy?

13. What type of galaxy is the MW?

14. What did Ptolemy propose to explain the retrograde motion of a planet?

15. How do we know the Crab nebula is the remnant of a supernova explosion?

16. Where is the center of mass of a hammer, roughly? Close to the tip of the handle or the hammerhead?

17. True or False: Kepler's First Law says planets go around the Sun in elliptical orbits and the Sun is at the center of the orbit.

18. What does Kepler's Third Law say?

19. What does Kepler's Third Law imply? A planet whose orbit is far away from the Sun will have higher or lower average velocity than a planet whose orbit is close to the Sun?

20. Order the eight planets according to their distances from the Sun.

21. Kepler's Second Law implies that when a planet is closer to the Sun in its orbit, it is moving faster or slower than when it's far away from the Sun?

22. What trajectory does the center of mass of an object follow as it is thrown into the air at some angle (between 0 and 90°)?

23. What does Hubble's Law state?

24. True or False: According to Newton's First Law, when a spaceship runs out of fuel, it will gradually come to a stop.

25. Since 2006, Pluto has been classijied as ___________________.

26. Roughly how big is the Sun, a Jupiter-like planet, an Earth-like planet, a typical dwarf planet, a typical asteroid, and a typical comet?

27. The longest day in a year on Earth happens on: Spring Equinox, Summer Solstice, Fall Equinox, or Winter Solstice?

Reference no: EM13798279

Questions Cloud

Evaluating the affordable care act : Write a three-page paper evaluating the Affordable Care Act as an example of federal health policy development, its ramifications on public health, and how the ACA does not fit into the traditional model of legislating. Your paper should include: a. ..
Why is competition of businesses so important : Why is competition of businesses so important in the United States - prices, consumer choices and profits for businesses?
Current events in science presentation : Communication skills, including effective development, interpretation and expression of ideas through oral, visual, and writtencommunication
Kinds of information would you need to make such a forecast : A chemical company uses large amounts of shredded steel scrap metal in its production processes. Most of this scrap comes from 12-ounce beverage cans. What kinds of information would you need to make such a forecast?
How are speed and velocity different : What is the total number of galaxies in the observable universe? How are speed and velocity different? Rank the following objects from the smallest to the largest: Earth, Sun, Local Group, Virgo cluster, Pluto, Halley's Comet, Coma Supercluster, Th..
What is the elasticity using the midpoint formula : Suppose that a store will sell 2000 boxes of bananas a week at a price of $12 per box. If the store raises its prices to $15 per box, it will sell 1500 boxes. What is the elasticity using the original formula? What is the elasticity using the midpoin..
Calculate the annual worth of the chipper : Seven years ago a New Brunswick logging company purchased a used wood chipper for $141,600 for biomass and custom chipping. Operating and maintenance costs averaged $4,100 per year. A complete overhaul at the end of year 4 cost additional $12,000. An..
What kind nation is the united states : In your view what kind nation is the United States? This is probably the most openeded discussion theme of the course. So, be free and frank in expressing yours hearts and minds, as you have done thusfar.
Imprison political dissidents-censor information : Is it unethical for the American government to engage in global trade with countries that degrade women, imprison political dissidents, censor information, and the like?

Reviews

Write a Review

 

Physics Questions & Answers

  Determine by what factor does its weight change

At a certain distance from the center of the Earth, a 4.5- object has a weight of 4.0 , by what factor does its weight change

  How many capicitors are in the array

The flash of a digital camera totally consumes the energy of an arrray of identical 7 F capicitors when a picture is taken, How many capicitors are in the array

  How far from castle wall does launched rock hit the ground

King Arthur's knights use a catapult to launch a rock from their vantage point on top of the castle wall, 13m above the moat. The rock is launched at a speed of 27m/s and an angle of 40oC above the horizontal.

  Compute what is the canoe mass

A 64.5 kilogram canoeist stands in the middle of her canoe. The canoe is 3.5 meter long, and the end that is closest to land is 2.5 meter from the shore. Determine what is the canoe mass

  Distributed uniformly around a thin ring of radius

A charge q is distributed uniformly around a thin ring of radius r. The ring is rotating about an axis through its center and perpendicular to its plane, at an angular speed w. What is the direction of this magnetic moment if the charge is positive?

  What minimum speed will allow the ball to clear the roof and

You're 6.0 m from one wall of a house. You want to toss a ball to your friend who is 6.0 m from the opposite wall. The throw and catch each occur 1.0 m above the ground

  Determine the temperature of the hot filament

A certain lightbulb has a tungsten filament with a resistance of 18.0 when cold and 138 when hot. Find the temperature of the hot filament

  Wheels rotational inertia-engineer is to achieve their goal

Engineers redesign a car's wheels with the goal of decreasing eachwheel's angular momentum by 30% for a given linear speed for the car. Other design considerations require that the wheel diameter gofrom 38 {\rm cm} to 36 cm.If the old wheel had a ..

  Calculate the back emf while the motor is running

When a portable fan is first turned on it draws 4.62 A. After it has come up to speed it draws 0.55 A. calculate the back emf while the motor is running

  What is the dielectricconstant of the dielectric slab

When a certain air-filled parallel-plate capacitor is connected across a battery, it acquires a charge (on each plate) of200 µC. While the battery connection is maintained, a dielectric slab is inserted into and fills the region between the plates..

  An infinite plane of charge with surface charge density

An infinite plane of charge with surface charge density ?1 = 3.7 µC/m2 is parallel to the xz plane at y = -0.8 m. A second infinite plane of charge with surface charge density ?2 = -1.1 µC/m2 is parallel to the yz plane at x = 1 m.

  Determine what is the voltage of the battery

One has a capacitance of 2.0 µF and the other a capacitance of 4.0 µF. These two capacitors together store 4.50 10-5 C of charge. What is the voltage of the battery

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd