Physics, 18.11.2020 18:30 averyeverdeen01
A computational model predicts the speed of a roller coaster car at different heights given its speed at the lowest height of its journey, which is at ground level. The speed at the lowest point is 30 m/s. What is the prediction for its speed when it is at a height of 20 m?
A. 22.5 m/s
B. 37.5 m/s
C. 18.8 m/s
D. 15.9 m/s
Answers: 2
Physics, 22.06.2019 12:00
The sun’s mass is 2.0×10^ 30 kg, its radius is 7.0×10 5 km, and it has a rotational period of approximately 28 days. if the sun should collapse into a white dwarf of radius 3.5×10 3 km, what would its period be if no mass were ejected and a sphere of uniform density can model the sun both before and after?
Answers: 3
Physics, 22.06.2019 19:00
Which of the following list the divisions of the geologic time scale in order from longest to shortest
Answers: 1
A computational model predicts the speed of a roller coaster car at different heights given its spee...
Physics, 24.03.2021 17:00
Mathematics, 24.03.2021 17:00
English, 24.03.2021 17:00
Mathematics, 24.03.2021 17:00
Mathematics, 24.03.2021 17:00
Mathematics, 24.03.2021 17:00
History, 24.03.2021 17:00
Mathematics, 24.03.2021 17:00