if you hold out your hand and drop a penny, about how long does it take to hit the floor?

Question

24-05-2018
Mathematics

contestada

if you hold out your hand and drop a penny, about how long does it take to hit the floor?

Respuesta :

Otras preguntas

Which of the following domains include organisms that have a nucleus and other membrane-bound organelles? O A. Archaea only O B. Eukarya only O C. Archaea and E

What is anaerobic respiration?

When is distance and displacement NOT the same

A standard steel pipe (D = 3.81 in.; d = 3.24 in.) supports a concentrated load of P = 930 lb. The span length of the cantilever beam is L = 3.7 ft. Determine t

Consider the line y=10 x -1 and the point P=(2,0). (a) Write the formula for a function d(x) that describes the distance between the point P and a point (x,y) o

Some water is placed in a coffee cup calorimeter. When 1.0 g of an ionic solid is added, the temperature of the solution increases from 21.58C to 24.28C as the

How do increasing linear functions and exponential growth functions compare?

How do radiation and chemotherapy affect cancer cells?

A 1.5 kg mass is attached to a spring with a spring constant of 110N/m. It is stretched 2.5 cm and released. What is the period of the simple harmonic motion? W

sqdancefan sqdancefan · Answer 1 · 2018-05-24T07:31:57+02:00

sqdancefan sqdancefan

24-05-2018

The equation of motion can be
h(t) = -16t^2 + 4
for a penny dropped from a height of 4 feet. Then h(t) = 0 for
0 = -16t^2 +4
t^2 = 4/16
t = √(1/4) = 1/2

It takes about 1/2 second for the penny to hit the floor.

Answer Link