13 Answered Questions for the topic Grade 12 Advanced Functions

Grade 12 Advanced Functions Forces Stem Physics 2

01/21/18

Force of the charge
Two charges of 10-6 C are located 1cm apart (a) What is the force on a charge +10-8 halfway between them? (b) What is the force on a charge of -10-8 C at the same place?  
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Grade 12 Advanced Functions Trigonometric Functions

01/10/18

a pendulum swings back and forth taking 2 seconds to move from the position directly above from point a to the position directly above point b, as shown in the
a pendulum swings back and forth taking 2 seconds to move from the position directly above from point a to the position directly above point b, as shown in the figure below. the distance form a to... more
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Grade 12 Advanced Functions

12/10/17

Write as a single logarithm: log32/log2
Write log32/log2 as a single logarithm
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Grade 12 Advanced Functions

12/09/17

Determine how long it would take an investment to double if it were compounded annually at 9.75%. Write the doubling time equation
If the investment was compounded annually at 9.75%
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Grade 12 Advanced Functions

12/09/17

Find the amount of Vanadium that has decayed after 74 days as a percent.
Vanadium-48 has a half life of 16 days
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Grade 12 Advanced Functions

11/27/17

1) determine an equation to model the height of the spring vs time. 2) determine the height of the mass above ground at t=0.7s
A mass is suspended by a spring and hangs at rest .5m above ground. The mass is raised 40cm and then released in t=0s, causing it osculate sinusoidally. The mass returns to the high position every... more
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Grade 12 Advanced Functions

11/27/17

Solve for approximate values of x
6sin2x-5cosx-2=0
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Grade 12 Advanced Functions

11/09/17

Prove the following identities
A)cotA+cosA=(cosA(1+sinA))/sinA B)sec^2A-sin^2A=cos^2A+tan^2A C)cscA(1-cosA)=(sinA+sinAcosA)/cos^2A+2cosA+1
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Grade 12 Advanced Functions

11/02/17

determine the approximate instantaneos rate of change in the intensity of light at exactly 3m from flash bulb. 
A photographer uses a light meter to measure the intensity of light from a flash bulb. The intensity for the flash bulb,I, in lux, is a function of the distance from the light, d, in meters, and... more
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Grade 12 Advanced Functions

11/01/17

1)Is the population currently increasing or decreasing? Why? 2) will the towns population ever exceed 50000? Why?
The population of a small town is modeled by the function p(t)=(20(4t+3))/(2t+5), where p(t) is the poplation(in thouands) and t is time(in years), since the start of 1990
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Grade 12 Advanced Functions

11/01/17

determine the approximate instantaneos rate of change in the intensity of light at exactly 3m from flash bulb. 
A photographer uses a light meter to measure the intensity of light from a flash bulb. The intensity for the flash bulb,I, in lux, is a function of the distance from the light, d, in meters, and... more
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Grade 12 Advanced Functions

11/01/17

Determine the following: 1) the intensity of light 3m from the flash bulb. 2) the average rate of change in the intensity of light for the interval 1<d<3
Also determine the approximate instantaneos rate of change in the intensity of light at exactly 3m from flash bulb.  A photographer uses a light meter to measure the intensity of light from a... more
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Grade 12 Advanced Functions

11/01/17

Determine a function to represent the pressure, p, exerted by Megumi if she wears heels of width w.
The pressure exerted on the floor by the heel of someone's shoe is inversely proportional to the square of the width of the heel of their shoe. When Megumi wears 2cm wide heels, she exerts a... more
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