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3. A 68 kg ice skater moves to the right with an initial velocity of 2.9 m/s. Her 115 kg
p...
Physics, 29.04.2021 23:40 QueenZenobia
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3. A 68 kg ice skater moves to the right with an initial velocity of 2.9 m/s. Her 115 kg
partner is moving in the opposite direction at 1.3 m/s. What will be the final velocity of the pair if
they grab onto each other in a graceful embrace?
Answers: 3
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Explain the difference between each pair of concepts. a. frequency and relative frequency b. percentage and relative frequency a. select the correct choice below. a. frequency is the total number of observations in a data set. relative frequency is the number of times a particular distinct value occurs. b. frequency is the number of times a particular distinct value occurs. relative frequency is the ratio of the frequency of a value to the total number of observations. c. frequency is the total number of observations in a data set. relative frequency is the ratio of the number of times a particular distinct value occurs to the frequency. d. frequency is the number of times a particular distinct value occurs. relative frequency is the ratio of the frequency of two different values.
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Answers: 1
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Students design a model roller-coaster track. they place a rubber ball at the highest point on the track and let it go. the ball rolls along the track pulled only by the force of gravity. eventually, it comes to a stop. which change to the design will result in the ball moving the greatest distance?
Answers: 1
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