trinityboyle trinityboyle

10-09-2021
Physics

contestada

How long would it take for a penny dropped rom the top of the Empire State Building to reach the ground if the building is 1,249ft tall? (3.28ft=1m) Round your answer to 3 significant figures.
(please show the formula used and all work!)

Respuesta :

alcohen2006 alcohen2006

10-09-2021

Use the formula for distance dropped from rest:

D = 1/2 a t^2 .

With no air resistance, you get about 8.8 sec.

I'm pretty sure you can fill in the missing work.

Answer Link

Otras preguntas

which among is the least metallic? B,Al,Ga or In

A grounded conducting plane forms the x-y plane at z=0. A charge q is distributed uniformly on a ring of radius r in the z=h>0 plane centering on the z-axis.

line segments ab and CD intersect at e if ceb =4x-40 and aed=x 50 find the measure of Deb and ceb

Find the exact value of cos(5pi/6) cos(pi/12) + sin(5pi/6) sin(pi/12)

Let 15.0 ev electrons approach a potential barrier of height 2.4 ev.(a) For what minimum barrier thickness is there no reflection?nm(b) For what minimum barrier

Find the maximum and minimum values of f(x,y)=x²−2y−y² subject to x²+y²≤4.

30-x + x+10 =108 Please help me in this mathematical operation

It is common for Canadians to understand their history as significantly less racist than the history of the United States, however: : a. that position only refl

Value: 14 Match the items. a. folk ballads b. call and response singing c. musicians began expressing their opinions d. vocal chanting and percussions e. music

Once an architect determines that all the details are worked out, ______ drawings called plans are completed.a. Finalb. Floorc. Basicd. Draft