The velocity of a 130 kg block sliding down a frictionless
The velocity of a 1.30 kg block sliding down a frictionless inclined plane is found to be 1.60 m/s. 1.30 s later, it has a velocity of 7.06 m/s. What is the angle of the plane with respect to the horizontal? Use "deg" as your units.
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The enthalpy of formation (?Hf) of rubidium chloride is -430.5 kJ/mol. The enthalpy of sublimation for rubidium is 86 kJ/mol, and the first ionization energy of rubidium is 402 kJ/mol. The bond dissociation energy of (g) is 243 kJ/mol, and the ele
A pendulum has a length L = 1.11m. It hangs straight down in a jet plane about to take off as shown by the dotted line, Calculate the magnitude of the plane's acceleration
Explain whether you think the supply of the following goods is elastic or inelastic,
A buffer is prepared by mixing 303 mL of 0.146 M HCl with 923 mL of 0.565 M sodium acetate (NaCH3COO). Given that the Ka of acetic acid is 1.8 x 10-5, calculate the pH of the solution.
The velocity of a 1.30 kg block sliding down a frictionless inclined plane is found to be 1.60 m/s. what is the angle of the plane with respect to the horizontal
What is the meaning of a four-firm concentration ratio? Interpret what four-firm concentration ratio of 60 % would mean. Interpret what a score of 90% would mean for the four-firm concentration ratio
Ross, a Canadian resident, purchased a car worth $ 3,00,000 that was produced entirely in China. Does this transaction affect Canada’s GDP? Justify your answer.
Based on the values of the standard reduction potentials, predict what happens when adding and write the relevant equations. copper to a 1 M solution of nitric acid zinc to a 1 M solution copper to a 1 M solution of hydrochloric acid zinc to a 1 M
A monopoly is considering selling several units of a homogenous product as a single package. A typical consumer’s demand for the product is Q^d = 50 - 0.25P, and the marginal cost of production is $120.
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