The Hipparcos satellite has extended our accurate parallax distance measurements to over 200 parsecs
Indicate whether the statement is true or false
TRUE
You might also like to view...
A 2.5 cm-long horizontal wire segment has mass 0.15 g and carries a current sufficiently large that it levitates when the segment is in a region of B field upward with magnitude 1.5 T. The current is passed to the segment that is in the magnetic field by way of massless electrical leads. What is the magnitude of the current that the wire carries?
A. 39 mA B. 25 A C. 4.0 mA D. Not enough information is given.
Which of the following statements is an overall summary of the findings from the Viking biology experiments?
A) the martial soil showed no signs of chemical or biological activity B) the Martian soil showed clear signs of biological activity C) the Martian soil is chemically reactive but shows no signs of biological activity D) the Martian soil contained organic molecules but showed no signs of biological activity
1.8 ?F and 3.6 ?F capacitors are connected in series and then charged by a 24. volt battery. The battery and capacitors are disconnected and the capacitors reconnected in parallel (plus to plus, minus to minus)
(a) What charge initially flowed from the battery to the series combination? (b) What total charge is on the final positive plates? (c) What final voltage is across the parallel combination?
What is the most abundant element in Earth's crust? What is the second most abundant element?
What will be an ideal response?