ma9riVgiggocia ma9riVgiggocia

24-11-2016
Mathematics

contestada

An object is dropped from a height of 100m, How long is it in the air?

Respuesta :

syed514 syed514

26-11-2016

initial velocity Vi=0 m/sHeight= h= 100mand g=9.8m/s^2time=T=?using second equation of motion..h=ViT+(gT^2)/2h= (0)(T)+ (9.8/2) T^2h= 4.9 T^2100=4.9 T^2T^2=100/4.9T^2= 20.41T= sqrt (20.41)T= 4.52 sec

Answer Link

Otras preguntas

One number is 4 times as large another. The sum of their reciprocals is 45/4. Find the two numbers

4. For each function, write the rule in vertex form and find the coordinates of the max/min point on its graph. a) f(x)=x^2+12x+11 b) g(x)=x^2-4x+7 c) h(x)=x^2-

A number of two digits is such that twice the ten digit it is 6 greater than the unit digit. When the digits are reversed the number is increased by 9. Find the

A number is such that its ten digit is twice its unit digit. Prove that the number itself must be seven times the sum of its digit

what are the 4 features of buddhism?

2g+7=-4g+7+6g how do you solve that

Annie rappels down a cliff in 3 jumps of 6.5 feet each. Use a positive or negative number to express the change in her altitude.

What is -3,1,-5,3,-1 from least to greatest?

Annie rappels down a cliff in 3 jumps of 6.5 feet each. Use a positive or negative number to express the change in her altitude.

Part a: If the diameter of a wheel is 1 yard, then it's radius is how many inches? Part b: write a statement telling how u know your solution to A is correct.