Physics, 22.01.2021 18:50 tonytashaqua
In a game of tennis, a player hits a stationary ball with his racquet. (i) The racquet is in contact with the ball for 6.0ms. The average force on the ball during this time is 400N. Calculate the impulse on the tennis ball.
Answers: 3
Physics, 21.06.2019 22:30
Laboratory experiments, observational field studies, and model-building are all examples of different forms of scientific investigations. in what way do laboratory experiments primarily differ from other forms of scientific investigations? a. a laboratory experiment is the only accepted form of investigation within the scientific community. b. studies about how things behave in nature or studies involving very large objects are best answered through laboratory experiments. c. laboratory experiments involve the identification and control of variables. d. data can only be generated through laboratory experiments, not other forms of investigation.
Answers: 3
Physics, 21.06.2019 23:10
A248-g piece of copper is dropped into 390 ml of water at 22.6 Β°c. the final temperature of the water was measured as 39.9 Β°c. calculate the initial temperature of the piece of copper. assume that all heat transfer occurs between the copper and the water. remember, the density of water is 1.0 g/m
Answers: 1
Physics, 22.06.2019 12:00
This is for my 8th grade science class, i really donβt understand. can someone me? , lol.
Answers: 1
In a game of tennis, a player hits a stationary ball with his racquet. (i) The racquet is in contact...
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