The percentage of the information remembered initially according to the function f ( x ) = 80 e − 0.5 x + 20 describing the percentage of information remembered by a person x weeks after learning.
The percentage of the information remembered initially according to the function f ( x ) = 80 e − 0.5 x + 20 describing the percentage of information remembered by a person x weeks after learning.
To calculate: The percentage of the information remembered initially according to the function f(x)=80e−0.5x+20 describing the percentage of information remembered by a person x weeks after learning.
(b)
To determine
To calculate: The percentage of the information remembered after 1 week according to the function f(x)=80e−0.5x+20 describing the percentage of information remembered by a person x weeks after learning.
(c)
To determine
To calculate: The percentage of the information remembered after 4 weeks according to the function f(x)=80e−0.5x+20 describing the percentage of information remembered by a person x weeks after learning.
(d)
To determine
To calculate: The percentage of the information remembered after 52 weeks according to the function f(x)=80e−0.5x+20 describing the percentage of information remembered by a person x weeks after learning.
The velocity of a particle moves along the x-axis and is given by the equation ds/dt = 40 - 3t^2 m/s. Calculate the acceleration at time t=2 s and t=4 s. Calculate also the total displacement at the given interval. Assume at t=0 s=5m.Write the solution using pen and draw the graph if needed.
The velocity of a particle moves along the x-axis and is given by the equation ds/dt = 40 - 3t^2 m/s. Calculate the acceleration at time t=2 s and t=4 s. Calculate also the total displacement at the given interval. Assume at t=0 s=5m.Write the solution using pen and draw the graph if needed.
4. Use method of separation of variable to solve the following wave equation
მłu
J²u
subject to
u(0,t) =0, for t> 0,
u(л,t) = 0, for t> 0,
=
t> 0,
at²
ax²'
u(x, 0) = 0,
0.01 x,
ut(x, 0) =
Π
0.01 (π-x),
0
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