URGENT A person tries to lift each object with a force of 25 N, upward. Which
statement is supported by the data in the table?
A. Objects 1 and 3 will move downward, and objects 2 and 4 will
move upward.
B. None of the objects will move, but the normal force on all of the
objects will increase.
C. Objects 1 and 3 will not move, and objects 2 and 4 will accelerate
upward
D. All of the objects will move, but object 1 will accelerate the
slowest
Answers: 1
Physics, 22.06.2019 04:30, tinytoonjr8052
Light from the sun reaches the earth in 8.3 minutes. the velocity is 3.00 x 10^8 m/s. how far is earth from the sun? i know how to get to d = (3 x 10^8 m/s)(498 sec). i just don't know how to get from there to the answer being 1.5 x 10^11 m.
Answers: 3
Physics, 22.06.2019 13:10, pearlvldz
The atoms in a nickel crystal vibrate as harmonic oscillators with an angular frequency of 2.3 × 1013 rad/s. the mass of a nickel atom is 9.75 × 10-26 kg. what is the difference in energy between adjacent vibrational energy levels of nickel? (h = 6.626 × 10-34 j • s, , 1 ev = 1.60 × 10-19 j)
Answers: 2
Physics, 22.06.2019 23:00, Neko1kat
Which type of reaction is shown in this energy diagram? energy products activation energy reactants time o a. endothermic, because energy is released to the surroundings o b. exothermic, because energy is absorbed from the surroundings o c. exothermic, because energy is released to the surroundings o d. endothermic, because energy is absorbed from the surroundings
Answers: 1
URGENT A person tries to lift each object with a force of 25 N, upward. Which
statement is supporte...
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