A mountain climber plans to jump from AAA to BBB over a crevasse. Determine the smallest value of the climber's initial velocity v0\mathbf{v}_0v0 and the corresponding value of angle α\alphaα so that he lands at BBB.
Which of the following is an indicator that a patient's nervous system has been impaired?
A. General weakness
B. Changes in pupil dilation
C. Hearing disturbances
D. All of the above
What are the three main ideas associated with Newton's second law of motion? List these in your own words.
Magnesia (MgO)(\mathrm{MgO})(MgO) is used for fire brick, crucibles, and furnace linings because of its high melting point. It is produced by decomposing magnesite (MgCO3)\left(\mathrm{MgCO}_3\right)(MgCO3) at around 1200∘C1200^{\circ} \mathrm{C}1200∘C. (a) Write a balanced equation for magnesite decomposition.