Astudent throws a set of keys vertically upward to his fraternity brother, who is in a window 4.35 m above. the brother's outstretched hand catches the keys 1.20 s later. (take upward as the positive direction. indicate the direction with the sign of your answer.) (a) with what initial velocity were the keys thrown? (b) what was the velocity of the keys just before they were caught?
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Physics, 22.06.2019 12:00, fryday2516
Lacie kicks a football from ground level at a velocity of 13.9 m/s and at an angle of 25.0° to the ground. how long will the ball be in the air before it lands? how far will the football travel before it lands?
Answers: 1
Physics, 23.06.2019 20:30, mmm5398
If 2 different solids have the same masses but different volumes, how will their densities compare? a. the solids will have the same densities. b. the solid with lower volume will have a higher density. c. the solid with greater volume will have a higher density. d. the solid with greater volume will have double the density of the solid with the lower volume.
Answers: 1
Astudent throws a set of keys vertically upward to his fraternity brother, who is in a window 4.35 m...
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