Answer:
t = 18.8
Step-by-step explanation:
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Answer:
A) (1 s, 2.3 s)
B) (-4 m/s², 3.8 m/s²)
Step-by-step explanation:
The car's position which is the distance is given by the equation;
s(t) = t³ - 5t² + 7t
A) Velocity is the first derivative of the distance. Thus;
v(t) = ds/dt = 3t² - 10t + 7
At v = 0, we have;
3t² - 10t + 7 = 0
Using quadratic formula, we have;
t = 1 and t = 2.3
Thus, time at velocity of 0 is t = (1 s, 2.3 s)
B) acceleration is the derivative of the velocity. Thus;
a(t) = dV/dt = 6t - 10
At velocity of 0, we got t = 1 and t = 2.3
Thus;
a(1) = 6(1) - 10 = -4 m/s²
a(2.3) = 6(2.3) - 10 = 3.8 m/s
Thus, a(t) at v = 0 gives; (-4 m/s², 3.8 m/s²)
Answer:
The quadratic equation is x^2 + 4x - 32 = 0
Step-by-step explanation:
(x - 4)(x+8) = 0
x^2 + 4x - 32= 0
Where is the list of triangle parts? I can help you if I see it
What is meant binary number?
Binary number system, in mathematics, positional numeral system employing 2 as the base and so requiring only two different symbols for its digits, 0 and 1, instead of the usual 10 different symbols needed in the decimal system.
What is decimal in number system?
- A number system which uses digits from 0 to 9 to represent a number with base 10 is the decimal system number.
- The number is expressed in base-10 where each value is denoted by 0 or first nine positive integers.
- Each value in this number system has the place value of power 10.
Similarities between binary and decimal systems -
- Arithmetic operations can be carried out on numbers in both the binary ands decimal systems
- Values of each bit and digit in binary and decimal numbers respectively depends on how close they are to the decimal point
- Integer and fraction components are represented in both decimal and binary systems.
Learn more about decimal systems
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