Saturday

April 19, 2014

April 19, 2014

Posted by **blue ivy** on Thursday, May 10, 2012 at 8:13pm.

(a) height of the ball when its speed is 12 m/s

(b) height to which the ball rises before falling

(c) How would your answers to (a) and (b) change if

you repeated the exercise with a ball twice as

massive?

- Physics -
**bobpursley**, Thursday, May 10, 2012 at 8:17pmUse energy considerations:

a) 1/2 m vi^2=1/2 mg vf^2+mg*hfinal

b) same equation, vf=0

c) divide the equation in a) by m, and see how the mass then affects that equation.

- Phizzics.... -
**angel**, Tuesday, October 15, 2013 at 11:41amA ball is thrown straight up from ground level. After a time 4.1 s, it passes a height of 157.1 m. What was its initial speed? The accelera-

tion due to gravity is 9.8 m/s2 . what is its initial speed

**Related Questions**

physics - A ball is thrown straight upward and returns to the thrower's hand ...

Physics - A ball is thrown straight upward and returns to the thrower's hand ...

science - a ball is thrown straight upward and returns to the thrower's hand ...

Physics - A ball is thrown straight upward and returns to the thrower’s hand ...

Physics - A ball is thrown straight upward and returns to the thrower’s hand ...

Physical Science - Four balls are taken to the top of a building. Ball 1 is ...

physics - A ball is thrown upward at a speed v0 at an angle of 59.0¢ª above the ...

physics - A ball is thrown upward at a speed v0 at an angle of 52.0˚ above ...

physics - A ball is thrown upward at a speed v0 at an angle of 52.0˚ above ...

College Physics - A ball is thrown upward at a speed v0 at an angle of 53° above...