Physics, 22.01.2021 07:10 sipstick971
Two objects are moving downward at a speed of 3 cm/s. Object A has a mass of 2kg and object B has a mass of 1 kg. You want both objects to move to the left at a speed of 3 cm/s. In what direction should you exert the forces that will make the desired change?
Answers: 2
Physics, 21.06.2019 15:20
Two large, flat, horizontally oriented plates are parallel to each other, a distance d apart. half way betwween the two plates the electric field has magnitude e. if the separation of the plates is reduced to d/2 what is the magnitude of the electric field half way between the plates?
Answers: 2
Physics, 22.06.2019 13:30
The two stars in a certain binary star system move in circular orbits. the first star, alpha, has an orbital speed of 36 km/s. the second star, beta, has an orbital speed of 12 km/s. the orbital period is 137 d. a) what is the mass of the star alpha? b) what is the mass of the star beta?
Answers: 1
Physics, 22.06.2019 18:00
Asynthetic fiber used in manufacturing carpet has tensile strength that is normally distributed with mean 75.5 psi and standard deviation 3.5 psi. how is the standard deviation of the sample mean changed when the sample size is increased from n equals 8 to n equals 47
Answers: 2
Two objects are moving downward at a speed of 3 cm/s. Object A has a mass of 2kg and object B has a...
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