Jessica is visiting a park with her mother. jessica sits on a swing. her mother pulls the swing to a height of 3 meters above the ground and lets it go. the image shows jessica at three positions on the swing. jessica‘s mass is 44 kilograms and the maximum velocity of the swing is 5 meters/second. what’s the energy she has at each position shown? ignore friction and air resistance. use g = 9.8 m/s2, pe = m × g × h, and ke= 1/2 mv^2
Answers: 2
Biology, 22.06.2019 00:30, Likat681
What is the difference between the conducting zone and the respiratory zone of the respiratory system? the conducting zone is a series of cavities and tubes that move air to the respiratory zone where gases exchange with the bloodstream. the conducting zone exchanges gases between the lungs and the alveoli and the respiratory zone is a series of cavities and tubes that move air to the conducting zone. the conducting zone moves oxygen into the cells and the respiratory zone takes carbon dioxide away from the cells. the conducting zone moves oxygen into the bloodstream and the respiratory zone takes carbon dioxide away from the bloodstream.
Answers: 2
Biology, 22.06.2019 04:30, seannalove6168
Long term exposure to waves can cause sunburns and skin cancer.
Answers: 1
Biology, 22.06.2019 05:00, noahmartinez3636
Urgent. the table shows the relative blood flow through some organs in the human body that is, the percentage of blood that flows through a given organ, through which organ(s) does all the blood flow? explain the effect of exercise on blood flow to skeletal muscles.
Answers: 2
Jessica is visiting a park with her mother. jessica sits on a swing. her mother pulls the swing to a...
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