Physics, 12.03.2020 06:43 arianawelsh123l
Matt tosses a set of keys straight up to Sanjit, who catches them from a window 1.1 s later at a height of 14 m above the point of release. T/I (a) Determine the initial velocity of the keys. [ans: 18 m/s [up]] (b) Determine the velocity of the keys when they were caught. [ans: 7.3 m/s [up]]
Answers: 2
Physics, 21.06.2019 18:30
Which of the following correctly describes the early view of catastrophism?
Answers: 1
Physics, 21.06.2019 20:50
An airplane flies eastward and always accelerates at a constant rate. at one position along its path it has a velocity of 34.3 m/s, it then flies a further distance of 40100 m and afterwards its velocity is 47.5 m/s. find the airplane\'s acceleration and calculate how much time elapses while the airplane covers those 40100 m.
Answers: 1
Physics, 21.06.2019 23:20
In the sport of parasailing, a person is attached to a rope being pulled by a boat while hanging from a parachute-like sail. a rider is towed at a constant speed by a rope that is at an angle of 15 ∘ from horizontal. the tension in the rope is 1900 n. the force of the sail on the rider is 30∘ from horizontal. what is the weight of the rider? express your answer with the appropriate units.
Answers: 1
Physics, 22.06.2019 11:50
The mass of the sun is 1.99×1030kg and its distance to the earth is 1.50×1011m. what is the gravitational force of the sun on the earth?
Answers: 3
Matt tosses a set of keys straight up to Sanjit, who catches them from a window 1.1 s later at a hei...
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