Physics, 24.06.2019 20:30 lindseybug
Paheli observed the shadow of a tree at 8: 00 a. m., 12: 00 noon and 3: 00 p. m. which of the following statements is closest to her observation about the shape and size of the shadow? (a) the shape of the shadow of the tree changes but the size remains the same. (b) the size of the shadow of the tree changes but the shape remains the same. (c) both the size and shape of the shadow of the tree change. (d) neither the shape nor the size of the shadow changes.
Answers: 2
Physics, 22.06.2019 13:40
Which of the following is not a transverse wave? a) soundb) lightc) radiod) all of thesee) none of these
Answers: 1
Physics, 22.06.2019 20:10
Two cannon balls weighing 18 kg and 24 kg are chained together and fired horizontally with a velocity of 165 m/s from the top of a 21-m wall. the chain breaks during the flight of the cannonballs and the 18-kg cannonball strikes the ground at t = 1.5 s, at a distance of 240 m from the foot of the wall, and 7 m to the right of the line of fire. determine the position of the other cannonball at that instant. neglect the resistance of the air.
Answers: 1
Physics, 23.06.2019 01:30
The field lines around one end of a bar magnet are shown below based on the diagram, what can you conclude about the pole of the magnet? a.is a south pole because the field hnes spread out from this end b.a north pole because the field lines spread out from this end c.a nouth pole because the field lines enter the magnet at this end d.is a north pole because the field lines enter the magnet at this end
Answers: 1
Physics, 23.06.2019 01:30
Each line (unit) on the horizontal axis represents: 5 years 10 years 20 years all of the above
Answers: 1
Paheli observed the shadow of a tree at 8: 00 a. m., 12: 00 noon and 3: 00 p. m. which of the follow...
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