Physics, 20.05.2021 14:00 jakobrobinette
A 25.0-kg test rocket is fired vertically. When the engine stops firing, the rocket’s kinetic energy is 2017 J. After the fuel is burned, to what additional height will the rocket rise? (g=10 m/s^2)
Answers: 3
Physics, 21.06.2019 23:00
1point) a skydiver weighing 130 lb (including equipment) falls vertically downward from an altitude of 14,000 ft and opens the parachute after 20 s of free fall. assume that the force of air resistance, which is directed opposite to the velocity, is of magnitude 0.85|v|0.85|v| when the parachute is closed and is of magnitude 17|v|17|v| when the parachute is open, where the velocity vv is measured in ft/s. assume that acceleration due to gravity has magnitude 32 ft/s/s; remember that weight is the product of mass and gravitational acceleration. find the speed of the skydiver when the parachute opens. speed is 150.6121788 ft/s find the skydiver's height when the parachute opens. height is 2338.98591 ft find the limiting velocity vlvl after the parachute opens. (think about whether this should be positive or negative.) vl=vl= 7.647 ft/s
Answers: 2
Physics, 22.06.2019 11:30
This punnett square shows the cross between two pants. one parent has round seeds (rr). and the other parent has wrinkled seeds (rr) which best describes their offspring as shown in this cross?
Answers: 2
Physics, 22.06.2019 19:00
What is the gravitational attraction between a dating couple whose centers of mass are 0.630 m apart if the boy weighs 715 n and the girl weighs 465 n?
Answers: 3
A 25.0-kg test rocket is fired vertically. When the engine stops firing, the rocket’s kinetic energy...
Mathematics, 18.03.2021 03:20
Mathematics, 18.03.2021 03:20
Mathematics, 18.03.2021 03:20
Mathematics, 18.03.2021 03:20
Mathematics, 18.03.2021 03:20
Health, 18.03.2021 03:20
Computers and Technology, 18.03.2021 03:20
Mathematics, 18.03.2021 03:20
Mathematics, 18.03.2021 03:20
Chemistry, 18.03.2021 03:20