a 1.50 kg book is sliding along a rough horizontal surface. at point a it is moving at 3.21 m/s, and at point b it has slowed to 1.25 m/s.
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Why do we have
what are the coefficients of the six species in the balanced equation above? remember to include coefficients for h2o(l) and h+(aq) in the appropriate blanks.
a proton is released from rest at the positive plate of a parallel-plate capacitor. it crosses the capacitor and reaches the negative plate with a speed of 50000 m/s.
If you were writing an essay on the use of standardized test scores for college admittance, which research source listed below is most likely to be unbiased, accurate, and credible? a) a review book written by a standardized test question writer b) a history written by the ceo of a standardized testing company c) a critical book written by a former student who made a perfect standardized test score d) a historical survey over how standardized tests were developed by an educational psychologist
the energy from radiation can be used to cause the rupture of chemical bonds. a minimum energy of 242 kj/mol is required to break the chlorine–chlorine bond in cl2.
Nearly 150 rivers and streams flow into a bay that has many species of fish, birds, and other animals. An ecologist records that the bay experiences an algal bloom every summer. The algae have a short life cycle, grow quickly in the presence of nutrients, and consume large amounts of oxygen from the bay’s water when they decay. Further studies confirm that runoff of excess nutrients from nearby farms is the cause for the excess algal growth.
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The disease allele for a certain disease is S. The normal allele is s. The disease is observed when a person has at least one copy of the disease allele, S. Which pattern of inheritance does the disease follow?
the mass percentage of hydrochloric acid within a solution is 19.00% . given that the density of this solution is 1.095 g/ml, find the molarity of the solution.