Physics, 16.11.2020 18:50 thicklooney
A student drops a 2.4-kg ball. It’s speed right before hitting the ground is 5 m/s. If 15 J of energy was transferred to the environment as the ball fell, what was the total initial energy of the ball?
21 J
30 J
45 J
6 J
Answers: 3
Physics, 21.06.2019 19:40
Abird sitting high in a tree is an example of what type of wnergy
Answers: 2
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 earth’s 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 earth’s electric field a feasible means of flight? why or why not?
Answers: 2
Physics, 22.06.2019 14:20
What are the starting materials for nuclear fission? two small nuclei two large nuclei a neutron and a large nucleus a neutron and a small nucleus
Answers: 2
Physics, 22.06.2019 16:40
An owl dives toward the ground with a constant velocity of 4.40 m/s at 53.0° below the horizontal. the sun is directly overhead and casts a shadow of the owl directly below it. what is the speed (in m/s) of its shadow on level ground?
Answers: 3
A student drops a 2.4-kg ball. It’s speed right before hitting the ground is 5 m/s. If 15 J of energ...
Arts, 18.03.2021 03:30
Mathematics, 18.03.2021 03:30
English, 18.03.2021 03:30
Geography, 18.03.2021 03:30
Mathematics, 18.03.2021 03:30
Mathematics, 18.03.2021 03:30
Mathematics, 18.03.2021 03:30
Mathematics, 18.03.2021 03:30
Advanced Placement (AP), 18.03.2021 03:30
History, 18.03.2021 03:30
History, 18.03.2021 03:30
Mathematics, 18.03.2021 03:30