Physics, 15.07.2019 13:10 skylarleannjone2751
(b) a potential difference v is applied across a conductor of length l and diameter d. how is uhe resistance r of the conductor affected, when in turn () v is halfed (i) l is halved and (ii) d is doubled? justify your answer in cach case.
Answers: 1
Physics, 22.06.2019 14:50
Abar magnet cut in half will form a total ofpoles.a)fourb)eightc)two
Answers: 1
Physics, 22.06.2019 19:30
Which of these has some mechanical energy? a. an atom b. heat inside earth c. a book on a shelf d. the fire from a lit match
Answers: 1
Physics, 22.06.2019 21:20
Astone is dropped from the upper observation deck of a tower, 250 m above the ground. (assume g = 9.8 m/s2.) (a) find the distance (in meters) of the stone above ground level at time t. h(t) = (b) how long does it take the stone to reach the ground? (round your answer to two decimal places.) s (c) with what velocity does it strike the ground? (round your answer to one decimal place.) m/s (d) if the stone is thrown downward with a speed of 2 m/s, how long does it take to reach the ground? (round your answer to two decimal places.) s
Answers: 3
Physics, 22.06.2019 23:30
You have two photos of a person walking. one shows the person at the corner of third and main streets, the other shows the person at the corner of tenth and main streets. there are lampposts at every corner in this town, and the first picture shows it to be 10: 32: 00 exactly. the second picture shows it to be 10: 49: 30. you know three facts: (1) all of the clocks are synchronized; (2) there are exactly 12 equal-sized blocks per kilometer in this town; and (3) the streets that cross main in this area are numbered consecutively, with no interruptions. what is the person’s average speed in kilometers per hour?
Answers: 2
(b) a potential difference v is applied across a conductor of length l and diameter d. how is uhe re...
Mathematics, 09.05.2021 03:20
Mathematics, 09.05.2021 03:30
Mathematics, 09.05.2021 03:30
Mathematics, 09.05.2021 03:30
Chemistry, 09.05.2021 03:30
Mathematics, 09.05.2021 03:30
Mathematics, 09.05.2021 03:30
History, 09.05.2021 03:30
Mathematics, 09.05.2021 03:30
Mathematics, 09.05.2021 03:30
Mathematics, 09.05.2021 03:30