Tag Archives: MCAT

Cannonball

A small cannonball weighing 5-kg is launched vertically in the air with an initial kinetic energy of 500 joules. How high will the cannonball travel above the launch point?

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Achieving Configuration

When metallic substances lose electrons, they are trying to achieve the electron configuration of what?

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Cell Membranes

A blood cell is placed into a salt-water mixture (70% salt). What is likely to result if the red blood cell’s membrane is permeable to water?

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One Strong Minion

A force of 1 minion can cause 1 gram to accelerate at 1 cm/s2. How many newtons are equivalent to 1 minion?

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Pass It Down

The basic premise of cladistics is organisms that are closely related share a common evolutionary history. The characteristics that are shared by group members and derived from their ancestors are called:

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Stay Back 500 Feet

A species of desert plant secretes a chemical into the surrounding soil that kills seeds from any other species of plant that attempts to germinate in that area. What is this an example of?

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Laboratory Sterilization

Which of the following is considered the most effective laboratory sterilization technique?

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String Cheese Theory

A hollow rubber ball, whose volume is 3 x 10-3m3 and has a mass of 1.0 kg) is held by a 1-meter-long string attached to the bottom of a large container of water. What is the tension in the string?

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Pick Your Poison

Naturally occurring tartaric acid is found in the levo (L-) form (pictured below). If given a sample of optically pure tartaric acid of unknown isomeric form, which laboratory instrument or technique would you use to determine its identity?

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Horse Race

A horse accelerates uniformly from 0 to 20 mi/h in 2 seconds. What is the acceleration?

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