Ask a New Question

Question

A student throws a set of keys vertically upward to his fraternity brother, who is in a window 3.95 m above. The brother's outstretched hand catches the keys 1.80 s later. (a) With what initial velocity were the keys thrown?
14 years ago

Answers

Henry
d = Vo*t + 4.9t^2 = 3.95m,
Vo*1.8 + (-4.9)(1.8)^2 = 3.95,
1.8Vo - 15.876 = 3.95,
1.8Vo = 3.95 + 15.876 = 19.826,
Vo = 11m/s.
14 years ago

Related Questions

A student throws a set of keys vertically upward to her sorority sister, who is in a window 4.30 m a... A student throws a 9 gram of gum is thrown across the physics lab from a distance of 2.5 m. When the... A student throws a baseball vertically upward, and 2.8s later catches it at the same level. Neglecti... A student throws two beanbags in the air, one straight up and the other one at a 30° angle from the... A student throws a set of keys vertically upward to her sorority sister, who is in a window 3.80 m a... a man throws his keys up to his wife 4.00m above. the wife catches the keys 1.50s later. with what i... Student throws a baseball at a large gong 79 miles away and hears the sound of gong 2.63333 seconds... A student throws a baseball from the ground to the top of the flag pole. If returns to the ground in... A 1.5 tall student throws a baseball with a horizontal component of velocity of 25m/s. It takes 3.00... A student throws a .1kg ball at a wall. The ball hits the wall perpendicularly with a speed of 5m/s...
Ask a New Question
Archives Contact Us Privacy Policy Terms of Use