Physics, 02.08.2019 14:30 wolfygamer14
On an ice skating rink, a girl of mass 50 kg stands stationary, face to face with a boy of mass 80 kg. the children push off of one another, and the boy moves away with a velocity of +3 m/s. what is the final velocity of the girl? β1.9 m/s +1.9 m/s β4.8 m/s +4.8 m/s
Answers: 1
Physics, 22.06.2019 16:30
One number is said to be an "order of magnitude" larger than another number if choose one: a. it is 10 times larger. b. it is 5 times larger. c. it is 3 times larger. d. it is 100 times larger. e. it is 2 times larger.
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Physics, 22.06.2019 16:30
Which magnetic property best describes a magnetβs ability to act at a distance? magnets are dipolar. magnets attract only certain objects. magnets have magnetic fields. magnets can transfer their properties to certain materials.
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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
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Physics, 23.06.2019 01:50
An electron moving at 5.06 103 m/s in a 1.23 t magnetic field experiences a magnetic force of 1.40 10-16 n. what angle does the velocity of the electron make with the magnetic field? there are two answers between 0Β° and 180Β°. (enter your answers from smallest to largest.)
Answers: 2
On an ice skating rink, a girl of mass 50 kg stands stationary, face to face with a boy of mass 80 k...
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