Which substance is used in fertilizers?
slaked lime (ca(oh2))
formic acid (hcooh)...
Physics, 19.01.2020 05:31 ghari112345
Which substance is used in fertilizers?
slaked lime (ca(oh2))
formic acid (hcooh)
nitric acid (hno3)
lithium hydroxide (lioh)
Answers: 1
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An open cart is moving along a straight frictionless horizontal track. when rain starts falling vertically into the cart, what happens to the speed of the cart?
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What structural formula represents 4 electrons shared between two atoms?
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Question 1(multiple choice worth 2 points) in order to be considered work, the components that must be present are • a force and a movement in the same direction as the force an action which causes movement and an opposite reaction an action which causes no movement or reaction a force and a movement in the opposite direction of the force
Answers: 1
Physics, 23.06.2019 13:30
Acarpenter is driving a 15.0-g steel nail into a board. his 1.00-kg hammer is moving at 8.50 m/s when it strikes the nail. half of the kinetic energy of the hammer is transformed into heat in the nail and does not flow out of the nail. what is the increase in temperature of the nail after the three blows that the carpenter needs to drive the nail in completely? the specific heat of steel is 448 j/kg ∙ k. a) 2.7 k b) 1.8 k c) 7.7 k d) 8.1 k e) 3.6 k
Answers: 1
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