Physics, 30.10.2021 21:30, nimahmustafa
A ball is thrown vertically upward from the ground with velocity of 30m/s¹. Exactly 0.5s later another ball Is dropped from rest from a cliff 40m above the point from which the first stone was projected.
find : a) The time after the first stone was thrown when the two stones meet
b) How far above the ground they are at the same time?
Answers: 1
Physics, 22.06.2019 07:20, Nadi4753
Samir watches a 100-minute movie on his spaceship. maria's spaceshipe flies in the same direction as samir's spaceship but she observes his move to last 125 minutes and his spaceship to be 40 m long. how long does samir observe his own spaceship to be? according to an observer on earth, planet x is stationary. maria and samir depart earth on their spaceships at the same time, each flying at 0.5c. maria flies toward planet x and samir flies in the opposite direction. according to maria, her voyage to planet x takes 9 years. how many years does marias voyage take according to samir?
Answers: 3
Physics, 22.06.2019 18:30, ochoanene822
Which of the following is not a means to accelerating? question 4 options: a)increase speed b)remain still c)decrease speed d)change direction
Answers: 2
A ball is thrown vertically upward from the ground with velocity of 30m/s¹. Exactly 0.5s later anoth...
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