Blueprint MCAT Blog: MCAT Physics

MCAT Physics Question — Lowest Specific Gravity

Which liquid has the lowest specific gravity? Liquid Mass (grams) Volume (liters) Sulfuric Acid 920 0.5 Benzene 876.5 1 Propanol 1205 1.5 Water 2000 2 A) Sulfuric Acid B) Benzene C) Propanol D) Water READ MORE

Dec 15, 2014

MCAT Physics Question — Iceberg

On Earth, an iceberg floats with 95% of its volume submerged. An iceberg with equal mass and volume discovered in an ocean of water on a celestial planet with a gravitation force 4 times that of Earth will have what volume submerged? A) Less than 95% B) 95% C) Greater than 95% D) 100% READ MORE

Dec 09, 2014

MCAT Physics Question — Distress Signals

Distress signals in the form of light and sound are emitted from a submerged submarine. When the signals enter the atmosphere, what happens to the speed of sound and light, respectively? A) The speed of sound and light both increase B) The speed of sound and light both decrease C) The speed of sound READ MORE

Dec 02, 2014

MCAT Physics Question — Flotation Device

A child’s flotation device (ρ = 250 kg / m3) is held underwater at the beach (ρseawater = 1025 kg / m3). The toy is spherical and has a radius of one meter. When the toy is released, what is the magnitude and direction of the toy’s acceleration? (assume g = 9.8 m / s2) READ MORE

Nov 27, 2014

MCAT Physics Question — Doorknobs

Why are the doorknobs of most doors placed on the edge of the door, opposite the hinge where the door is attached to the doorframe? A) Placing the doorknob as far as possible from the door’s center of gravity helps minimize the frictional force between the door and the doorframe during opening. B) Maximizing READ MORE

Nov 20, 2014

MCAT Physics Question — Swing

A child pushes, with F1, his sister on a swing, generating torque, τ1 which causes her to swing forward. If he then gets in a swing that hangs on a chain that is 20% shorter and his sister pushes with a force, F2, that is directed at a 30º angle to the swing, what is READ MORE

Nov 18, 2014

MCAT Physics Question — Transverse Wave

Increasing which of the following would decrease the speed of a transverse wave, assuming all other variables are held constant? A) wavelength B) period C) frequency D) Planck’s constant READ MORE

Nov 12, 2014

MCAT Physics Question — AED

An automatic external defibrillator (AED) is simply a series of capacitors used to store a very large charge, which is then discharged through the patient’s chest in a short time. If the capacitor in an AED is fully charged and the AED is no longer connected to the power source, what will happen to the READ MORE

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