Answers: 1
Physics, 22.06.2019 05:20
Which statement is true? a. kepler's laws apply only to the motion of earth. b. kepler's laws can be used to predict eclipses. c. kepler's laws are true for a central force that is directly proportional to distance. d. kepler's laws can be deduced from newton's laws of motion and gravity.
Answers: 2
Physics, 22.06.2019 09:00
In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 j? 1. write the equation 2.list out your known variables 3.plug the numbers into the equations 4.solve 5.write your solution statement that includes initial energy and final
Answers: 1
Physics, 22.06.2019 12:20
Electric field of the earth. the earth has a net electric charge that causes a field at points near its surface equal to 150 n> c and directed in toward the center of the earth. (a) what magnitude and sign of charge would a 60-kg human have to acquire to overcome his or her weight by the force exerted by the earthโs electric field? (b) what would be the force of repulsion between two people each with the charge calculated in part (a) and separated by a distance of 100 m? is use of the earthโs electric field a feasible means of flight? why or why not?
Answers: 2
Physics, 22.06.2019 13:50
Observations show that interstellar clouds can have almost any shape and
Answers: 1
This is calculated when you take the total distance traveled and divide by the total time....
Mathematics, 05.05.2020 07:35
Mathematics, 05.05.2020 07:35
Advanced Placement (AP), 05.05.2020 07:35
Mathematics, 05.05.2020 07:35
Mathematics, 05.05.2020 07:35
Mathematics, 05.05.2020 07:35
Mathematics, 05.05.2020 07:35
Mathematics, 05.05.2020 07:35
Mathematics, 05.05.2020 07:35