Picture showing four cards in a row with labels 'first animal appears on land', 'first life form appears in the sea', 'first rocks formed on earth', and 'first flowering plants appear on land'.
a student arranged the four cards sequentially in a row on the basis of the periods when the events occurred. the card showing the earliest event was placed on the extreme left. which of these cards was placed first in the row?
Answers: 1
Physics, 21.06.2019 16:10
Avoltage source vs = 10 v is in series with a resistor of 10 kohm. if the source transformation theorem is applied, what will the value of the current source be in ma ?
Answers: 1
Physics, 22.06.2019 01:30
Astone is dropped with no initial velocity from the top of a cliff and hits the ground a time of 3.9 s later. what is the height of the cliff, in units of meters? you may assume that air resistance is negligible. give the answer as a positive number question 15 a figure skater is rotating at a rate of 200 revolutions per minute. what is the angular speed, in units of rad/s? 200 o 20.9 12000 o 3.33
Answers: 2
Physics, 22.06.2019 12:30
Matter is needed to transfer thermal energy bya. conductionb. convectionc. radiation d. both a & b.
Answers: 1
Physics, 22.06.2019 15:50
The space between two 15-in.-long concentric cylinders is filled with glycerin (viscosity = 8.5 × 10-3 lb·s/ft2). the inner cylinder has a radius of 1 in. and the gap width between cylinders is 0.1 in. determine (a) the torque and (b) the power required to rotate the inner cylinder at 180 rev/min. the outer cylinder is fixed. assume the velocity distribution in the gap to be linear.
Answers: 2
Picture showing four cards in a row with labels 'first animal appears on land', 'first life form app...
Biology, 17.11.2020 02:10
History, 17.11.2020 02:10
Mathematics, 17.11.2020 02:20
Mathematics, 17.11.2020 02:20
Mathematics, 17.11.2020 02:20
Mathematics, 17.11.2020 02:20
Mathematics, 17.11.2020 02:20
Mathematics, 17.11.2020 02:20
History, 17.11.2020 02:20