True or False
If the statement is true, write true. If it is false,
change the underlined wor...
True or False
If the statement is true, write true. If it is false,
change the underlined word or words to make the
statement true.
6. In a moving elevator, you are not moving
from the reference point of the elevator.
7. The graph of distance versus time for an
object moving at constant speed is a curve.
The upper layer of Earth is made of pieces
called reference points.
Acceleration is a change in speed or
direction.
The distance an object travels in one unit
of time is called acceleration.
Answers: 1
Physics, 21.06.2019 20:30
Ahorizontal wire is tied to supports at each end and vibrates in its second-overtone standing wave. the tension in the wire is 5.00 n, and the node-to-node distance in the standing wave is 6.28 cm. (a) what is the length of the wire? (b) a point at an anti- node of the standing wave on the wire travels from its maximum upward displacement to its maximum downward displacement in 8.40 ms. what is the wire's mass?
Answers: 3
Physics, 22.06.2019 11:30
Two 1.20-m nonconducting wires meet at a right angle. one segment carries + 2.50 ยตc of charge distributed uniformly along its length, and the other carries - 2.50 ยตc distributed uniformly along it, as shown in fig. 21.50. ( a. find the magnitude and direction of the electric field these wires produce at point p, which is 60.0 cm from each wire. ( b. if an electron is released at p, what are the magnitude and direction of the net force that these wires exert on it?
Answers: 3
Physics, 22.06.2019 22:30
Which of these activities increases the amount of carbon in the atmosphere?
Answers: 1
Physics, 22.06.2019 23:40
A2.50 ร 105 w motor is used for 26.4 s to pull a boat straight toward shore. how far does the boat move toward shore if a force of 4.20 ร 104 n is applied by the motor?
Answers: 2
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