Physics, 28.07.2019 06:00 Daisysolis136
Determine the mechanical energy for this object: a 1-kg ball sits on a 10-meter high cliff. a. 10 j b. 98 j c.980 j d. the ball isn’t moving, so the mechanical energy is zero
Answers: 1
Physics, 22.06.2019 05:40
Karen is running forward at a speed of 9 m/s. she tosses her sweaty headband backward at a speed of 20 m/s. the speed of the headband, to the nearest whole number relative to a stationary observer watching karen
Answers: 1
Physics, 22.06.2019 07:30
30 points - when can a theory be modified if a new type of technology allows for new observations that raise new questions? a. immediately, while the questions about the theory are being asked b. after new hypotheses related to the theory are tested in experiments c. only after the new observations disprove all parts of the theory d. while scientists begin to think about how the theory could improve
Answers: 1
Physics, 22.06.2019 18:30
Blood pressure the total amount of blood the heart pumps in one minute 2. cardiac output the number of times your heart beats in a minute 3. dilate the amount of blood that the heart can pump in a single beat 4. heart rate the force exerted on the walls of the blood vessels by the blood that moves through them 5. stroke volume to widen or get larger in size
Answers: 3
Physics, 23.06.2019 14:00
What is the difference between a solar cell and a solar panels
Answers: 1
Determine the mechanical energy for this object: a 1-kg ball sits on a 10-meter high cliff. a. 10 j...
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