All Subjects \ Astronomy \ Elementary Astrophysics
Question Subject Due Date No. of Tutorials Closed Price
physics/astronomy quiz 1
Question 1 If an object's velocity is zero, its position will change. Question 2 If object's acceleration is zero, its velocity will change. Question 3 If an asteroid is moving at a constant spe …
Astronomy / Elementary Astrophysics 2017-10-08 2 Yes $40.00
physics/astronomy quiz 2
Question 1 A hunk of cast concrete with a weight of 10 N will float if it displaces 11 N of water.  True/false Question 2 The density of a solid ball with a mass of 231 g and a volume of 110 …
Astronomy / Elementary Astrophysics 2017-10-10 1 Yes $50.00
physics/astronomy quiz 3
Question 1 6 / 6 points Absolute zero is the lower limit of temperature.True/False Question 2  Pick the statement below that is true. slower average speed implies higher temperature …
Astronomy / Elementary Astrophysics 2017-10-20 1 Yes $50.00
physics/astronomy quiz 4
Question 1 Magnetic fields are produced by moving electric charges. True/False Question 2 Pick the correct statement below. sound consists of transverse waves light waves require …
Astronomy / Elementary Astrophysics 2017-10-16 1 Yes $40.00
physics/astronomy homework
1) A device in a 120 V circuit has a current rating of 20 Amp. Determine the resistance of this device. …
Astronomy / Elementary Astrophysics 2017-10-10 1 Yes $3.00
physics/astronomy homework
1) Determine the current that flows in a 300 watt lightbulb when connected to 120 V circuit. …
Astronomy / Elementary Astrophysics 2017-10-10 1 Yes $5.00
physics/astronomy homework
 determine the resistance that flows in a 300 watt lightbulb. …
Astronomy / Elementary Astrophysics 2017-10-10 1 Yes $5.00
physics/astronomy homework
For a particular patient, a nurse counts 72 heart beats in one minute. Determine the frequency and period of heart beats for this patient. …
Astronomy / Elementary Astrophysics 2017-10-10 1 Yes $5.00
physics/astronomy homework
Blue-green light has a frequency of about 6.00 x 10^14 Hz. Determine its wavelength. Compare this wavelength to the size of an atom (about 10^-10 m) by calculating the ratio: wavelength/(atom size). …
Astronomy / Elementary Astrophysics 2017-10-10 1 Yes $5.00
physics/astronomy homework
Electrons on a radio broadcasting tower were forced to oscillate up and down an antenna 535,000 times each second. Determine the wavelength of the radio waves that are produced. …
Astronomy / Elementary Astrophysics 2017-10-10 1 Yes $5.00
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