A metal ball rebounds better than a rubber ball. Why
Q: Ships or commercial boats are made of metals which are denser than water but they still float on…
A: The ship uses the concept of buoyancy in water during its motion. When the ship travels in water…
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A: Given: A delivery truck with birds resting on its floor will be heavier than a vehicle with the same…
Q: Why a boat which barely floats in the ocean while a hole in it is sealed, sinks when pulled up in…
A: Answer The density of sea water is higher than the density of pure water. Because the dissolved salt…
Q: You are driving a convertible with a canvas top. When driving high speeds, will the canvas top bulge…
A: Bernoulli's principle says that the higher the speed of air, the lower is the pressure. When the car…
Q: Under what conditions would a metal sphere dropping through a viscous liquid be in equilibrium?
A:
Q: The polarization vector in a dielectric tube of inner radius r; and outer radius r, is P = Po (â,2x…
A: A dielectric material act as an insulator that does not conduct electricity in the absence of…
Q: An iron battleship is very heavy. How is it able to float?
A: An iron battleship is very heavy, but it will float in the sea, this concept is explained by the…
Q: Imagine we have created layers of ice on the surface of a platform and then propped it up at an…
A:
Q: Why are windows of airplane smaller than bus windows?
A: On moving up the altitude the pressure decreases. Since the pressure is low at high altitude human…
Q: Why is rifle bullet made cylindrical?
A: A rifle bullet is not completely cylindrical. It is a combination of cone and cylinder.
Q: Why are vertical columns not needed to support the middle of domed stadiums, such as the Houston…
A: Because tension along every part of the dome surface is parallel to the surface.
Q: Which is more elastic steel or rubber? Why?
A: By this definition, steel is more elastic than rubber because steel comes back to its original shape…
Q: e ball will not c
A: Given: Supply of child can be 5×102N Density of styro foam is 95 kg/m3
Q: Water flows out of a spigot at the bottom of a very wide storage tank at a velocity of 11.7 m/s?…
A:
Q: Steel is more elastic than rubber. Explain.
A: Elasticity is the ability of a material to regain its shape once the deforming force is removed.
Q: Why Do kites need 1 short sides at the front and 2 long sides at the back to fly? Explain
A: Given : Why Do kites need 1 short sides at the front and 2 long sides at the back to fly? Explain
Q: What is more elastic: water or air?
A:
Q: When the branch of a tree is shaken , fruit falls. Why?
A: Tree and the hanging fruit are in the state of rest initially. When the branch is shaken vigorously,…
Q: If a glass of water is on a table with a piece of paper under it, it is relatively easy to pull the…
A: to explain : If a glass of water is on a table with a piece of paper under it, it is relatively easy…
Q: For the solid cylinder shown above, the ratio of volume to total surface area is O 3/7 O 5/3 O 4/5 O…
A: Given data: Diameter of the cylinder, d=4 in Radius of the cylinder, r=d2=4 in2=2 in Height of the…
Q: Why does crushed ice melt faster than the same mass of ice cubes?
A: Ice absorbs the heat from water and surrounding.
Q: If you are grilling hamburgers and getting impatient, why is it a good idea to flatten the burgers…
A: When we flatten the burgers to make them wider and thinner, then the total surface area of the…
Q: Determine the reactions at the supports. 350 N/m 150 N/m 80 N/m 3.5 m 4.5 m
A: Given: AP=3.52m=1.75 mAQ=23×3.5 m=2.333 mAC=3.5 mAR=3.5 m+13×4.5 m=5 mAS=3.5 m+12×4.5 m=5.75…
Q: Why is the base of a cooking pan made thick and heavy?
A: Reason for thick base of cooking pan:The base of a cooking pan is generally made up of metals which…
Q: What is the effect of changing the masses of the objects? What is the effect of altering the…
A: Answer:- We know that Gravitational force (F) = (G m1 m2)/(r2) The effect of changing the masses…
Q: 49. ssm Three objects lie in the x, y plane. Each rotates about the z axis with an angular speed of…
A:
Q: You put two ice cubes in a glass and fill the glass to the rim with water. As the ice melts, the…
A:
Q: Why is a slight blow on a cork of bottle fully filled with a liquid sufficient to break the bottle?
A: Answer :Increase in pressure increases the velocity of molecules
Q: A child’s cubic play block has a mass of 125 g and sides of 5.20cm. When placed in a bathtub full of…
A: Density of the cube ρ=mV
A metal ball rebounds better than a rubber ball. Why
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