Physics, 06.10.2019 07:30 jaallen3679
Chris is about to do an experiment to measure the density of water at several temperatures. his teacher has him prepare and sign a safety contract before beginning the experiment.
which item is most likely part of the safety contract?
a. understand how to deal with water safely in the lab.
a. bring an electronic copy of the msds on a personal laptop.
a. do not discuss the experiment with other students in the lab.
a. inspect the glassware for cracks or chips prior to beginning the lab.
Answers: 2
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Ameter stick is pivoted at the 0.50-m line. a 3.0-kg object is hung from the 0.15-m line. where should a 5.0-kg object be hung to achieve equilibrium (the meter stick oriented horizontal and motionless)?
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Physics, 22.06.2019 07:20
Aman throws a football straight into the air. as it rises, it slows down. which type of energy is the football gaining?
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Physics, 22.06.2019 07:30
Tall pacific coast redwood trees can reach heights of about 100 m. if air drag is negligibly small, how fast is a sequola cone moving when it reaches the ground f it dropped from the top of a 100 m tree?
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Physics, 22.06.2019 11:50
The scalar triple product computes the magnitude m of the moment of a force vector f about a specified line. it is m = (r × f) · n, where r is the position vector from the line to the point of application of the force and n is a unit vector in the direction of the line. use matlab to compute the magnitude m for the case where f = [12, −5, 4] n, r = [−3, 5, 2] m, and n = [6, 5, −7].
Answers: 3
Chris is about to do an experiment to measure the density of water at several temperatures. his teac...
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