saatvikak2000 saatvikak2000

09-09-2017
Physics

contestada

if a car rolls gently off a vertical cliff, how long does it take to reach 90km/hr.

Respuesta :

MonsieurPengu MonsieurPengu

09-09-2017

90 km/h : 3.6 = 25 m/s. If you know that on earth g = 9.81 m/s^2, then all you have to do is divide the speed by g. 25/9.81 = 2.548 seconds

At least, if by 'gently rolls off a vertical cliff' means that your starting velocity equals zero.

Answer Link

Otras preguntas

terrestrial ecosystems are grouped into biomes primarily on the basis of __________.

pl NGSSS Check Metal Aluminum Zinc Iron Copper Density (g/cm³) 2.70 713 7.87 8.96 6. Use the table above to determine the identity of a substance with a mass of

Plsssss helpp quickkk !!

a 65-year-old retina receives only about _____ as much light as its 20-year-old counterpart.

which is a reason to use digital signals instead of analog signals to transmit information?

Which choice is equivalent to the expression below when y > 0? √³+√4y³-2y √y O A. y√y OB. y √5y-2y√y OC. -y √6y D. √5y³ - 2y√y

all numbers with an absolute value greater than 3 but less than 7

a(n) ____ shows the data that flows in and out of system processes.

Preganglionic fibers run from the _________ to the __________. A. posterior root ganglia; gray matter B. posterior root ganglia; autonomic ganglia C. gray matte

perform operations with polynomials. subtract a^(2)-3a b-4b^(2) from the sum of 3a^(2)-a b-2b^(2 )and 2a^(2)+5a b-3b^(2)