On its own, a certain tow-truck has a maximum acceleration of 3.0 m/s2. What would be the maximum acceleration when this truck was towing a bus of twice its own mass?
A) 2.5 m/s2
B) 2.0 m/s2
C) 1.5 m/s2
D) 1.0 m/s2
D
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How will you feel in your spacecraft?
A) You will be floating weightlessly. B) You will feel weight, but less than on Earth. C) You will feel weight, but more than on Earth. D) You will feel the same weight as you do on Earth. E) You will feel yourself pressed against the back of your spaceship with great force, making it difficult to move.
What makes the North Star, Polaris special?
a) it appears very near the north celestial pole b)it is the brightest star in the sky c) it can be used to determine your longitude on Earth d) it is the star directly on your northern horizon
What is meant by "neutrino oscillation"?
What will be an ideal response?
In a laboratory experiment, you are given two unknown substances and a laser. One of the substances is a liquid in which you place the laser. The other is a tank made of a transparent solid. You aim the laser downward at the tank bottom – and find that the reflected ray is fully polarized when the angle of incidence is 54o. What is the transmitted angle for the ray transmitted into the tank bottom?
A. 
B. 
C. can’t answer this without knowing the indices of refraction.
D. 