# Posts by lam

Total # Posts: 19

**Organizational behaviour**

Write a short reflective writing about communication in 250 words

**Calculas-Differentiation**

Find the equation of the tangent to the curve y=1/2x^2-4x-3at the point where the curve intersects the y-axis.

**Calculas-Differentiation**

Find the coordinates of a point on the curve y=6-x^2 at which the tangent of the curve at the point is perpendicular to the line y=1/4x+1.

**Calculas-Differentiation**

The area,Acm^2, of a blot of ink is growing such that after t seconds,it is given by A=3t^2+1/5t. Find the rate at which the area is changing after 2 seconds.

**Calculas-Differentiation**

The gradient of the tangent to a curve y=ax^2+bx at the point (2,8)is the parallel to x-axis. Find the values of a and b.

**Algebra 1**

How many two-digit numbers have a tens digit that is greater than the units digit?

**social studies**

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**phisecs**

car traveling at 22 m/s hits a stone wall . The driver, who is wearing a shoulder harness and seat belt, moves forward 1.05 m as the car stops. Assuming his acceleration is uniform, find his average velocity during the collision

**math**

Rewrite y=7x-2 using function notation.

**civil engineering**

For a soil with significant secondary compression, if the duration of each loading increments is lengthened to a few days, what would be the effects on the void ratio vs. Log p curve and the preconsolidation pressure?

**phsics**

Two materials, for example silver and copper, of same cross section can be welded into a composite wire. When a voltage is applied across this wire, a stable current i whose value is determined by Ohm¡¦s Law is formed. Since the wire has uniform cross section, the...

**physics**

The capacitance of a spherical capacitor with inner radius b and outer radius a. Suppose a is fixed. What is radius b in terms of a such that the capacitor can store a maximum amount of energy , assuming that the electric field strength at the surface of the inner sphere shall...

**physics**

Find the electric field strength |E| at point P right above the edge of a metal ring. The ring has a linear charge density ë. Radius of the metal ring is R, the distance from the edge of the metal ring to Point P is D. thank you for helping.

**physics**

Find the electric field E at point P right above the edge of a metal ring. The ring has a linear charge density ë. Radius of the metal ring is R, the distance from the edge of the metal ring to Point P is D. thank you for helping.

**calculus**

find,if any, an equation for a common tangent line to these 2 curves:5x^2;and 5x^2-x+6

**EARLY CHILDHOOD EDUCATION & AFTER-SCHOOL DAY CARE**

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**EARLY CHILDHOOD EDUCATION & AFTER-SCHOOL DAY CARE**

Alt + 26

**economics**

If the government imposes a payroll tax on a monopsonist, do the wages go down along with the employment?

**Organic Chemistry**

so what are the observations? just colourless bubbles?

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