Question:
9 A model rocket fired from the ground ascends with a
Last updated: 6/30/2023
9 A model rocket fired from the ground ascends with a constant upward acceleration A small bolt is dropped from the rocket 1 0 s after the firing and fuel of the rocket is finished 4 0 s after the bolt is dropped Air time of the bolt is 2 0 s Acceleration of free fall is 10 m s2 Which of the following statements is are correct a Acceleration of the rocket while ascending on its fuel is 8 0 m s b Fuel of the rocket was finished at a height 100 m above the ground c Maximum speed of the rocket during its upward flight is 40 m s d Total air time of the rocket is 15 s