Astudent throws a set of keys vertically upward to his fraternity brother, who is in a window 4.00 m above. the brother’s outstretched hand catches the keys 1.50 s later. (a) with what initial velocity were the keys thrown? (b) what was the velocity of the keys just before they were caught?
Answers: 1
Physics, 22.06.2019 18:30, ayahabdulhaqq2
An electron in an x-ray machine is accelerated through a potential difference of 1.00 Ă— 104 v before it hits the target. what is the kinetic energy of the electron in electron volts?
Answers: 2
Physics, 22.06.2019 22:30, dlsmith68
Asailboat is traveling to the right when a gust of wind causes the boat to accelerate leftward at 2.5m/s2 for 4s. after the wind stops, the sailboat is traveling to the left with a velocity of 3.0m/s. assuming the acceleration from the wind is constant, what was the initial velocity of the sailboat before the gust of wind? answer using a coordinate system where rightward is positive.
Answers: 1
Astudent throws a set of keys vertically upward to his fraternity brother, who is in a window 4.00 m...
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