The height of the image of an object placed in front of a concave mirror must be smaller than or equal to the height of the object
1.True
2.False
2
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What is the global positioning system (GPS)?
A) a system for determining positions on the Earth by careful observations of the Sun and stars B) a system of determining positions on the Earth by receiving radio signals from many ground-based beacons C) a system for determining positions on Earth using signals from a set of satellites in Earth orbit D) a term used to refer to any type of celestial navigation
An electric motor on an airplane operates on 24 volts and draws a current of 15 amperes. (a) What is the power consumption of the motor? (b) How much energy does the motor use during a 2 hour flight?
The acceleration of an object as a function of time is given by a(t) = (3.00 m/s3)t, where t is in seconds
If the object has a velocity 1.00 m/s at time t = 1.00 s, what is the displacement of the object between time t = 2.00 s and time t = 4.00 s? A) 33.0 m B) 30.0 m C) 36.0 m D) 27.0 m
The temperature scale where the numerical value is proportional to the average kinetic energy of the atoms or molecules is __________
Fill in the blank(s) with correct word