(a) If gold were sold by weight, would you rather buy it in Denver or in Death Valley? (b) If it were sold by mass, in which of the two locations would you prefer to buy it? Why?

Q: Why is a high mountain composed mostly of lead an impossibility on Earth?

A:

Q: Is iron necessarily heavier than cork? Explain.

A: Answer Not necessarily

Q: M1 M2 اسلس لسلب السلسلسلب 4.7

A: M1=10g. M2=m. Distance of M1 from mid=3 cm. Distance of M2 from mid=4.7-3=1.7 cm

Q: Why is a liquid container more likely to burst from the base?

A: One is that air pressure is which causing the bottom to break out.

Q: Due to the water crisis that hit your area of residence last year, your landlord build an…

A:

Q: a submarine in the ocean salt water with a density of 10.25 kgm if the sub is a box 10.9m wide by…

A: density of salt water (d) = 1025 kgm3width of box = 10.9 m length of box = 18.3 m height of box =…

Q: What happens to the volume of the loaf of bread that is squeezed ? The mass? The density?

A: When the loaf of bread is squeezed, its volume decreases. Because its shape is changed by squeezing…

Q: We say that the shape of a liquid is that of its container. But, with no container and no gravity,…

A: The shape of the blob will be spherical due to the surface tension.

Q: Sea water has a density 1030 kg/m3. A submarine has a mass of 22.5x106 kg when floating in sea water…

A:

Q: Would a bottle of helium gas weigh more or less than an identical bottle filled with air at the same…

A: A bottle filled with helium gas weighs less than a bottle filled with air at same pressure.

Q: Why will a delivery truck filled with birds sitting on its floor be heavier than a truck with the…

A: In the event that the truck and the birds are the equivalent, they will gauge similar regardless of…

Q: Consider a balloon of mass m fl oating neutrally in theatmosphere, carrying a person/basket of mass…

A: Given data *A balloon of mass is m *A person/basket of mass is M *The given situation is M>m

Q: Would you be willing to sip hot coffee out of an open cup while riding in a car traveling a constant…

A: To answer the first subpart of the question, I would say yes I would be willing to sip hot coffee…

Q: boat (with a flat bottom) and its cargo weigh 6,400 N. The area of the boat's bottom is 3 m2. How…

A: given that Weight = 6400 N Area = 3 m2  here we can use force of buoyancy  weight of boat = weight…

Q: The Symphony of the Seas cruise ship has the following dimensions: 362 meters long, 65.7 meters wide…

A: Consider height h be the part of the height which is floating. Therefore, the volume of the water…

Q: A boat (with a flat bottom) and its cargo weigh 5,800 N. The area of the boat's bottom is 3 m2. How…

A: Given that,w=5800 NA=3m2m=wgm=58009.8m=591.8367 kg

Q: The uranium atom is the heaviest and most massive atom among the naturally occurring elements. Why,…

A:

Q: Does the amount of mass entering a control volume have to be equal to the amount of mass leaving…

A:

Q: 200 kilolitres of water was consumed inour house last month. this quantity of water corresponds to:…

A: The relation between the units kilolitre and Litre is as follows; 1 kilolitre=1000 litres The…

Q: Experienced hikers prefer to step over a fallen log in theirpath rather than stepping on top and…

A: When one step on the fallen log, the vertical movement of the center of mass of the person is equal…

Q: A heavy load was tied to a float of 1 kg and thrown into the water. As a result, the float was…

A: Free Body diagram of the float,

Q: A wooden spherical ball with specific gravity of 0.45 and a diameter of 400mm is dropped at a height…

A: ball with specific gravity of 0.45diameter of 400mmheight of 5.2m density of wood=450 kg/m3

Q: Space botany requires a certain pressue of 1.20 space pressure units (SPU) for the growth biomes to…

A: 1 Space Pressure unit=3 earth atm 1earth atm=760 torr we need our answer in torr

Q: A consumer upset with the latest trend of postal rate increases has not reach their intended…

A: Given:-  The gas fill balloon has a volume of v = 6.00 x 104 cm3 The mass of the package m = 46.8 g…

Q: A jet of diesel with relative density 0.8 strikes normally a plate with a velocity of 12 m/s. The…

A: When a fluid of density "ρ", speed "v" and cross section area "A" hits normally to an object then…

Q: a boat with a flat bottom and its cargo weigh 5000 N. the area of the boats bottom is 4m^2 how far…

A: using equilibrium of forces : weight = buoyant force weight = V * density of water * g 5000 = area *…

Q: A Boeing 747-8I aircraft has a mass of 447,700 kg. This includes cargo. The combined area of both…

A: Since the pressure difference lifts the plane. Thus, the pressure difference must have to create a…

Q: A dieter is losing weight! After the first week on the diet she lost 5.5% of her initial weight. She…

A: Let us analyze the problem and mathematically model the situation. The given situation is that she…

Q: Water is more elastic than air. Why?

A: The object with greater bulk modulus of rigidity is more elastic. Bulk modulus of elasticity is…

Q: The top surface of a road is built in the shape of a parabola to allow water to drain away on either…

A: Given data: The top surface of the road built in the shape of a parabola. The width of the road is,…

Q: Are the ships in the preceding question sucked together or pushed together? Explain.

A: The ships are pushed together due to the pressure difference created as the water flows faster…

Q: When you are sunbathing on a stony beach, why do the stones hurt your feet less when you’re standing…

A: When the person is standing on a stony beach, the person exerts a pressure downwards. There exists…

Q: Which is heavier 50kgs sack of rice or 110lbs sack of rice?

A: Write the given values. m1=50 kgm2=110 lb

Q: Which has more skin, an elephant or a mouse? Which has more skin per unit of body weight, an…

A: Out of the Elephant and the mouse, Elephant has more skin as it is larger in size.

Q: Why gases have two elasticities?

A: Gases have high compressibility. Due to this, gases possess volume elasticity. The magnitude of the…

Q: One gondola in the Falkirk Wheel carries a 50-ton boat, while the other carries a 100-ton boat. Why…

A: Dear Student  This wheel is actually a rotating boat lift located in central scotland and connects…

Q: In recreational diving, divers can only reach 40 meters, why is this so?

A: Recreational diving is the diving for the purpose of enjoyment generally using scuba equipment. now…

Q: Three masses are attached to a meter stick as shown in the figure below. The mass of the meter stick…

A: Given, The mass of the meter stick, m=150 g The mass of the block 1, m1=50 g The mass of the block…

Q: the force responsible of stagnation of blood in upper body tissues is gravitational force

A: FALSE The given statement is False.

Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!