Monday

September 1, 2014

September 1, 2014

Posted by **Sev** on Thursday, February 14, 2013 at 1:33am.

Calculate the velocity with which the calculator will hit the ground.

- Physics -
**drwls**, Thursday, February 14, 2013 at 1:59amFor an easy solution, use conservation of energy.

Vo = 42 m/s

Vf = final velocity

M ='mass

H ='rooftop height

MgH + (M/2)Vo^2 = (M/2)Vf^2

Cancel out the M and solve for Vf

Vf^2 = Vo^2 + 2 g H

**Answer this Question**

**Related Questions**

Physics - Beatrice throws the 1st calculator straight up from the edge of the ...

physics - One side of the roof of a building slopes up at 35.5°. A student ...

physics - two students are on a balcony 20.6 m above the street. One student ...

physics - two students are on a balcony 20.6 m above the street. One student ...

math - A school planned to buy x calculators for a total cost $216. Supplies ...

Algebra - A school planned to buy x calculators for a total cost of Ksh 16200. ...

Math - A school planned to buy x calculators for a total cost of Ksh 16200. The ...

graphing calculator - anybody have a graphing calculator on them? Can you please...

Physics - A ball is thrown downward from a balcony that is 19.6m above the ...

Physics - a tennis ball is thrown vertically upward from the ground and the ...