Ahollow cylinder of mass m and radius r rolls down an inclined plane. a block of mass m
easily...
Physics, 16.07.2019 05:30 genyjoannerubiera
Ahollow cylinder of mass m and radius r rolls down an inclined plane. a block of mass m
easily slides down an identical inclined plane. complete the following statement: if both
objects are released at the same time from the top of their inclined planes,
a) the cylinder will reach the bottom first.
b) the block will reach the bottom first.
c) the block will reach the bottom with the greater kinetic energy.
d) the cylinder will reach the bottom with the greater kinetic energy.
e) both the block and the cylinder will reach the bottom at the same time.
Answers: 3
Physics, 22.06.2019 15:20, mjwaple57
Acarpenter builds an exterior house wall with a layer of wood 2.9 cm thick on the outside and a layer of styrofoam insulation 2.3 cm thick on the inside wall surface. the wood has k=0.080w/(m⋅k), and the styrofoam has k= 0.010 w/(m⋅k). the interior surface temperature is 19.0 ∘c , and the exterior surface temperature is -15.0 ∘c . a.)what is the temperature at the plane where the wood meets the styrofoam? celsius b.)what is the rate of heat flow per square meter through this wall? /m^2
Answers: 2
Physics, 22.06.2019 17:40, swaggirllely36
Along wire carrying a 4.2 a current perpendicular to the xy-plane intersects the x-axis at x=−1.7cm. a second, parallel wire carrying a 3.0 a current intersects the x-axis at x=+1.7cm. part a at what point on the x-axis is the magnetic field zero if the two currents are in the same direction? express your answer to two significant figures and include the appropriate units.
Answers: 2
Physics, 23.06.2019 06:20, HernanJe6
Which statements best describe energy? check all that apply. the total amount of energy in the universe remains constant. the total amount of energy in the universe changes constantly. energy cannot be converted from one form to another. energy can be converted from one form to another. energy cannot be created or destroyed. energy can be created or destroyed.
Answers: 1
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