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3 years ago

13

Durante 10s, la velocidad de rotación y el momento de giro de las ruedas de un coche eléctrico son 100 rpm y 1405,92 Nm, respect

ivamente. Si el motor eléctrico que lo mueve ha consumido 184 KJ: halla potencia y energía útil en las ruedas

Computers and Technology

1 answer:

Akimi4 [234]3 years ago

6 0

Answer:

c

Explanation:

hope this helps

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4 years ago

Read 2 more answers

A personal identification number (PIN) that opens a certain lock consists of a sequence of 3 different digits from 0 through 9,

Elan Coil [88]

Answer:

<u>720</u> possible PIN can be generated.

Explanation:

To calculate different number of orders of digits to create password and PIN, we calculate permutation.

Permutation is a term that means the number of methods or ways in which different numbers, alphabets, characters and objects can arranged or organized. To calculate the permutation following formula will be used:

nPr = n!/(n-r)!

there P is permutation, n is number of digits that need to be organize, r is the size of subset (Number of digits a password contains)

So in question we need to calculate

P=?

where

n= 10 (0-9 means total 10 digits)

r= 3 (PIN Consist of three digits)

So by using formula

10P3 = 10!/(10-3)!

=10!/7!

= 10x9x8x7!/7!

= 10x9x8

= 720

7 0

3 years ago