Description : Masses of stars and galaxies are usually expressed in terms of which mass?
Last Answer : Solar mass
Description : Masses of starts and galaxies are usually expressed in terms of :
Description : Two point masses, M1 and M2, are 14 centimeters apart. M1 has a mass of 2 grams. M2 has a mass of 5 grams. Locate the center-of-mass of this system. w) 4 cm from M1 x) 4 cm from M2 y) 5 cm from M2 z) 7 cm from M1
Last Answer : ANSWER: X -- 4 CM FROM M2
Description : Are some irregular galaxies nearly 13 billion light-years from earth?
Last Answer : Yes, there are some irregular galaxies that are nearly 13billion light years from Earth (I.e. T2003 468 in the Ursa Majorconstellation).
Description : Approximately how many Galaxies are there ? A. 10 Billion Galaxies B. 100 Billion Galaxies (Answer) C. 1000 Billion Galaxies D. 10000 Billion Galaxies
Last Answer : B. 100 Billion Galaxies (Answer)
Description : According to Newton's law of universal gravitation, any two particles of finite mass attract one another with a force which is A. Inversely proportional to the product of their masses and ... the product of their masses and inversely proportional to the square of their distance apart
Last Answer : Directly proportional to the product of their masses and inversely proportional to the square of their distance apart
Description : Scientists found yet another potentially hospitable "Goldilocks" planet, this one being a scant 22 lightyears away. So with all these findings that have been increasing in frequency of goldilock planets, just how much life is out there?
Last Answer : There has to be a lot, due to sheer probability. Well all know one life sustaining planet out of trillions is ridiculous, so there must be the probabilty of many, many more.
Description : How to calculate lightyears?
Last Answer : ” Miles to Light Years = M / 5,877,000,000,000 Light Years to Miles = LY * 5,877,000,000,000 ” from here
Description : Which galaxies does our solar system belong to?
Last Answer : Not "galaxies", just one galaxy. Our galaxy is called the Milky Way.
Description : In a 2-mass 3 spring vibrating system the two masses each are of 9.8 kg coupling spring is having a stiffness of 3430 N/m whereas the other two springs have each a stiffness of 8820 N/m. The two natural frequencies in rad /sec are A) 10 & 20 B) 20 & 30 C) 30 & 40D) 40 & 50
Last Answer : C) 30 & 40
Description : Two masses, one of the 10kg and the other unknown, are placed on a scale in a region where g = 9.67 m/sec2 . The combined weight of these two masses is 174.06 N. Find the unknown mass in kg. a. 20 kg b. 19 kg c. 18 kg d. 17 kg formula: m=Fg k / g
Last Answer : 18 kg
Description : What is 20 million times 5 billion?
Last Answer : 20 million × 5 billion = 100,000 trillion = 100 quadrillion on the short scale. 20 million × 5 billion = 100 trillion on the long scale.
Description : The strategic petroleum reserve was created to lower oil prices during supply disruptions .How much did the US spend to build and fill the SPR? • $980 billion • $2 million • $4.5 billion • $22 billion
Last Answer : • $22 billion
Description : Which of the following areas is closest to the total surface area of the earth in square kilometers? w) 500 million x) 500 billion y) 500 thousand z) 5 billion
Last Answer : ANSWER: W -- 500 MILLION
Description : How do you write seven hundred twenty-five trillion one hundred sixty-three billion five million three hundred thousand two hundred forty-nine?
Last Answer : 725163005300249
Description : Are huge food recalls (like 1/2 billion eggs and a million pounds of ground beef) avoidable?
Last Answer : answer:Because the people that run American companies are short-term profit -oriented. Because their profit motive conflicts with a health motive. Because there are not enough inspectors to make them.
Description : what is 7.8 billion divided by 1.83 million?
Last Answer : 4.2623
Description : What is 10 billion trillion divided by 1 million?
Last Answer : 10
Description : What percent of 500 million is 7 billion?
Last Answer : It is 1400%.
Description : What is 87 billion divided by 350 million?
Last Answer : 0.2486
Description : What is 7 million times 1 billion trillion?
Last Answer : 7000 trillion trillion.
Description : What is 24 billion divided by 1.8 million?
Last Answer : 13.3333
Description : Is 7 billion the same as 7000 million?
Last Answer : Yes.
Description : Approximately how long does it take to spend $1 million How long does it take to spend $1 billion?
Last Answer : Approximately how long does it take to spend $1 million How long does it take to spend $1 billion?
Description : What is 200 billion divided by 350 million?
Last Answer : 0.5714
Description : The multiple prefix 'mega' (M) means ____________. A. thousand (10 to the 3rd power) B. million (10 to the 6th power) C. billion (10 to the 9th power) D. trillion (10 to the 12th power)
Last Answer : Answer: B
Description : The multiple prefix 'tera' (T) means ____________. A. thousand (10 to the 3rd power) B. million (10 to the 6th power) C. billion (10 to the 9th power) D. trillion (10 to the 12th power)
Last Answer : Answer: D
Description : The multiple prefix 'kilo' means ____________. A. thousand (10 to the 3rd power) B. million (10 to the 6th power) C. billion (10 to the 9th power) D. trillion (10 to the 12 power)
Last Answer : Answer: A
Description : The multiple prefix 'giga' (G) means ____________. A. thousand (10 to the 3rd power) B. million (10 to the 6th power) C. billion (10 to the 9th power) D. trillion (10 to the 12th power)
Last Answer : Answer: C
Description : The present population of the world is about (a) 15 trillion (b) 6 billion (c) 500 million (d) 100 million.
Last Answer : (b) 6 billion
Description : In Australia, the average annual cost of floods is around: (a) $3.8 million (b) $38 million (c) $380 million (d) $3.8 billion.
Last Answer : (c) $380 million
Description : When did the Earth form? (a) 10 billion years ago (b) 4.6 billion years ago (c) 446 million years ago (d) 6,000 years ago
Last Answer : (b) 4.6 billion years ago
Description : Louisiana which doubled the size of USA was purchased for: (a) 150 million $ (b) 15 million $ (c) 15 billion $
Last Answer : (b) 15 million $
Description : Approximately, how many people speak Chinese language? A. 1 billion B. 1 million C. 1 lakh D. 1 thousand
Last Answer : A. 1 billion
Description : How much of the sun's total radiation actually reaches the earth? Is it one part in w) 2,000 x) 200,000 y) 2 million z) 2 billion
Last Answer : ANSWER: Z -- ONE PART IN 2 BILLION
Description : The population of India is about 1.2 billion. Take the average consumption of energy per person per year in India as 30 Mega Joules. If this consumption is met by carbon based fuels and the rate of ... tons (B) 540 million metric tons (C) 5400 million metric tons (D) 2400 million metric tons
Last Answer : (B) 540 million metric tons
Description : The Milky Way and another solar system are going to collide in about a billion years. does this bother you?
Last Answer : Humanity won’t survive to last the next billion years anyway, and since I will be dead by then it doesn’t bother me. Although I do have a soft spot for our little blue planet and it would be sad to see it go.
Description : The mass of a box measured by a grocer’s balance is 2.3 kg. Two gold pieces of masses 20.15 g and 20.17 g are added to the box.
Last Answer : The mass of a box measured by a grocer's balance is 2.3 kg. Two gold pieces of masses ... in the masses of the pieces to correct significant figures?
Description : What occurs when a warm air mass is stuck between two cold air masses?
Last Answer : a lot of HEAT ;)
Description : Two stones of unequal masses are thrown vertically up with the same velocity. Which of the following will happen? (1) The heavier mass will reach greater height (2) The lighter mass will reach greater height (3) Both will reach the same height (4) Any of them may reach greater height
Last Answer : (3) Both will reach the same height Explanation: Galileo's experiment showed that if two bodies of unequal masses are dropped from the same height, the time required by them to reach the ground are equal ... reach the ground is equal to unity. This means that both of them will reach the same height.
Description : The sum of masses of two nuclei produced in nuclear fission compared to the mass of original nucleus is (A) Less (B) More (C) Same (D) Much more
Last Answer : (A) Less
Description : Two persons of masses 55 kg and 65 kg respectively, are at the opposite ends of a boat. The length of the boat is 3.0 m and weighs 100 kg. The 55 kg man walks up to the 65 kg man and sits with him. If the boat is in still water the centre of mass of the system shifts by
Last Answer : (4) zero
Description : In the mass spectrograph, two positively charged ions having the same velocity pass through a slit and enter a uniform magnetic field at right angles to their initial velocities. The ions will NOT be ... charges and their masses are equal z) the ratios of their charges to their masses are equal
Last Answer : ANSWER: Z -- THE RATIOS OF THEIR CHARGES TO THEIR MASSES ARE EQUAL
Last Answer : Both will reach the same height
Description : Lithium, sodium and potassium form a Dobereiner’s triad. The atomic masses of lithium and potassium are 7 and 39 respectively. Predict the atomic mass of sodium. -Science
Last Answer : Lithium, sodium and potassium form a Dobereiner's triad. The atomic masses of lithium and potassium are 7 and 39 respectively. Predict the atomic mass of sodium. Therefore, the atomic mass of sodium = average of the atomic mass of lithium and potassium = 23.
Description : Calculate the mass loss in the following: `._(1)^(2)H + ._(1)^(3)H to ._(2)^(4)He + ._(0)^(1)n` given the masses: `._(1)^(2)H = 2.014` amu, `._(1)^(3)
Last Answer : Calculate the mass loss in the following: `._(1)^(2)H + ._(1)^(3)H to ._(2)^(4)He + ._(0)^(1)n` ... amu A. 0.018amu B. 0.18 amu C. 18 amu D. 1.8 amu
Description : If`N_(1),N_(2),N_(3),……`are the number of molcules with molecular masses `M_(1),M_(2),M_(3),…`respectively ,then mass average molar mass is expressed
Last Answer : If`N_(1),N_(2),N_(3), `are the number of molcules with molecular masses `M_(1),M_(2),M_(3), ` ... SigmaN_(i)` D. `(SigmaN_(i)M_(i))/(SigmaM_(i)`
Description : If the total mass of the product in this chemical reaction is 14g what must the combined masses of the reactants be?
Last Answer : 4
Description : When one air mass meets a different air mass this meeting between air masses is called a?
Last Answer : a front