Physics, 25.06.2019 01:30 aleilyg2005
The latent heat of fusion of aluminum is 93 kcal / kg at 660 degrees celsius determine the amount of energy needed to melt 100 kg of aluminum at the melting point
Answers: 1
Physics, 21.06.2019 22:40
Ablock of mass m = 2.5 kg is attached to a spring with spring constant k = 710 n/m. it is initially at rest on an inclined plane that is at an angle of θ = 23° with respect to the horizontal, and the coefficient of kinetic friction between the block and the plane is μk = 0.19. in the initial position, where the spring is compressed by a distance of d = 0.16 m, the mass is at its lowest position and the spring is compressed the maximum amount. take the initial gravitational energy of the block as zero. a) what is the block's initial mechanical energy? b) if the spring pushes the block up the incline, what distance, l, in meters will the block travel before coming to rest? the spring remains attached to both the block and the fixed wall throughout its motion.
Answers: 3
Physics, 22.06.2019 12:10
Energy flows from the producer level to the level. is called
Answers: 1
Physics, 22.06.2019 18:00
Aprisoner is forced to go into one of three rooms, but he can choose which room. the first room is ablaze with fire. the second one is rigged with explosives that will go off as soon as he enters. the third contains a pair of lions who haven't eaten in years. which room should he choose to survive?
Answers: 2
Physics, 22.06.2019 20:00
An element becomes a positively charged ion when itloses protons.loses electrons.gains electrons.gains neutrons.
Answers: 2
The latent heat of fusion of aluminum is 93 kcal / kg at 660 degrees celsius determine the amount of...
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