Monday

July 28, 2014

July 28, 2014

Posted by **Isis** on Friday, June 14, 2013 at 9:45am.

- Physics -
**Chan**, Friday, June 14, 2013 at 9:59amI don't get what d0 means. Explain properly

- Physics -
**Isis**, Friday, June 14, 2013 at 10:05amDisplacement with Constant Acceleration.This equation may be used to find the displacement of any object moving with constant acceleration. that's what it says

- Physics -
**Elena**, Friday, June 14, 2013 at 1:01pminitial position d₀=0,

The maximum height at the motion with initial velocity v₀=20 m/s

is

H=v₀²/2g=20²/2•9.8 = 20.4 m (!!!)

H=v₀t-gt²/2,

v(fin)= v₀ -gt,

v(fin)=0, =>

0= v₀ -gt =>

v₀ =gt,

H=gt²-gt²/2= gt²/2,

t=sqrt{2H/g}=sqrt(2•20.4/9.8)=2.04 s

**Related Questions**

physics - An object is thrown straight up. At the same instant that the object ...

Math - The acceleration of an object g = -9.8 m/s^2. From the top of a building ...

College Algebra - A projectile is thrown upward with an initial velocity of 272 ...

physics - Consider a rock that is thrown off a bridge of height 27 m at an angle...

Science ( physics ) - A balloon is rising with a velocity of 4.9 m/sec releases ...

physics - A ball is thrown upward in such a way that its speed is 32.3 m/s when ...

Physics - Two rocks are thrown off the edge of a cliff that is 15.0 m above the ...

Physics - A 4.51-kg object is thrown vertically upward from the surface of Earth...

math - using this information: if an object is thrown straight up into the air ...

math - using this information: if an object is thrown straight up into the air ...