MCAT Physics Question — Molar Mass of Gas
An ideal gas at STP occupies 0.03L and has a mass of 0.002g. Which of the following gives the correct expression for the molar mass of the gas? A) 22.4 x 0.03 / 0.002 B) 0.03 x 0.002 / 22.4…
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Category MCAT Physics Question
Read MoreMCAT Physics Question — Molar Mass of Gas
MCAT Physics Question — Dropped Projectile
If a 1500 kg projectile is dropped from a height of 50 m, with what approximate speed will the projectile strike the ground? A) 10 m/s B) 30 m/s C) 75 m/s D) 100 m/s Click for Explanation Explanation This…
MCAT Physics Question — Satellite Orbit
A satellite of mass ms is orbiting a planet at a speed vs. The planet has a mass Mp. Which of the following represents the radius of the satellite’s orbit measured from the center of the planet? A) GMp /…
MCAT Physics Question — Electric Current Flow
The flow of electric current can most aptly be described as: A) the flow of positive charges from a region of high potential to a region of low potential. B) the flow of positive charges from a region of low…
MCAT Physics Question — Electron Capture Reaction
What happens to the mass number and atomic number during an electron capture reaction? a) mass number decreases and atomic number decreases b) mass number decreases and atomic number stays the same c) mass number stays the same and atomic…
MCAT Physics Question — Acceleration
A block has weight W and mass m, is pulled by tension T at angle θ with the horizon, and experiences a force of friction, Fk, opposing its motion across a rough surface. If the box moves a distance d,…
MCAT Physics Question — Resultant Force
A 4N and an 8N external force act on an object. What is a possible magnitude of the resultant force on the object from the two forces? a) 0N b) 2N c) 4N d) 16N Explanation When two forces act…
MCAT Physics Question — Electric Field
The distance from a point charge is tripled. What is the ratio of the strength of the electric field at the original distance to the strength of the field at the new distance? a) 9:1 b) 3:1 c) 1:3 d)…
MCAT Physics Question — Frictional Surface
Two people push a box equal distances along an effectively frictionless surface. One pushes the box at an angle of 30° to horizontal with force F while the other pushes the box horizontally with force Fcos30°. Which person does the…
MCAT Physics Question — Uranium
Uranium, U-235, undergoes beta decay giving off an electron. The resulting atom is: a) Th-231 b) Pa-235 c) Np-235 d) U-234 Explanation In beta decay, an electron and a proton are created from a neutron. The electron is expelled leaving…