A helicopter descends from a height of 600 m with uniform negative acceleration, reaching the ground at rest in 5.00 minutes. Determine the acceleration of the helicopter and its initial velocity.
What will be an ideal response?
?0.0133 m/s2, ?4.0 m/s
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Of the temperature ranges below, which range represents the smallest range of actual temperature?
A) 50-100° Kelvin B) 50-100° Celsius C) 50-100° Fahrenheit D) They all represent the same change in temperature.
The production of elements heavier than helium by fusion in stars and during supernova explosions is called ______________________
Fill in the blank(s) with correct word
If the date is April 21, what zodiac constellation will be visible on your meridian at midnight?
A) Leo B) Aquarius C) Libra D) Aries
In a compound microscope
A) both the objective and the eyepiece form real images. B) magnification is provided by the objective lens and not by the eyepiece. The eyepiece merely increases the resolution of the image viewed. C) magnification is provided by the objective and not by the eyepiece. The eyepiece merely increases the brightness of the image viewed. D) the magnification is m1 + M2, where m1 is the lateral magnification of the objective and M2 is the angular magnification of the eyepiece. E) the image of the objective serves as the object for the eyepiece.