Physics, 21.02.2020 19:39 Leslie8284
Irds have evolved to the ability to control their motions through the air by controlling the forces exerted on their bodies by the air; the contact forces on a bird by the air plus the force of gravity on the bird by the Earth determine the change in motion of the bird at any instant of time. In this problem, you will be asked to use what you know about acceleration to track the motion of a diving hawk. A hawk is flying horizontally Southward at an altitude of 130.0 m m and at a speed of 2.20 m/s m/s when he spots a slow-flying finch ahead of his current location and below his current path. At time zero, the hawk starts a dive by controlling the contact forces on him by the air so as to produce an acceleration of 4.60 m/s2 m/s2 in a direction 64.0 degrees degrees below horizontally Southward for a time of 1.250 seconds.
Answers: 2
Physics, 20.06.2019 18:04
The density of gold is 19.3g/cm3. what is the volume of a 13 g gold nugget? ( density: d= m/v)
Answers: 3
Physics, 21.06.2019 23:30
Edward tolman explained the results of his study by theorizing that the rats were learning about the maze during every trial but they a. were agitated because other groups were getting reinforcement b. could not remember how to demonstrate it without reinforcement c. were not motivated to demonstrate it without reinforcement d. seemed to be too lazy to actually work without reinforcement
Answers: 3
Physics, 22.06.2019 14:00
Agraduated cylinder contains 63.0 ml of water. a piece of gold, which has a density of 19.3 g/ cm3, is added to the water and the volume goes up to 64.5 ml. calculate the mass in grams of the gold that was added to the water. explain how you got your answer.
Answers: 3
Irds have evolved to the ability to control their motions through the air by controlling the forces...
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