Wednesday
December 11, 2013

# Posts by Sandi

Total # Posts: 57

Physics
A 14000 N automobile travels at a speed of 50 km/h northward along a street, and a 7500 N sports car travels at a speed of 62 km/h eastward along an intersecting street. (a) If neither driver brakes and the cars collide at the intersection and lock bumpers, what will the veloc...

Physics
In a simulated head-on crash test, a car impacts a wall at 25 mi/h (40 km/h) and comes abruptly to rest. A 120 lb passenger dummy (with a mass of 55 kg), without a seat belt, is stopped by an air bag, which exerts a force on the dummy of 3000 lb. How long was the dummy in cont...

math11Plelase check
Hi I need to write these systems of equalities in slope intercept form so I can graph them. 20x+4.5y<=60 and 12x+20y<=60. y=4 4/9x+ 13 1/3 (I think this is wrong) y=-3/5x+3

social studies
I need to unscramble lulab used by sumerians

At the end of each month, Jacob puts \$400 into an account that pays 6%, compounded semi-annually. Use your graphing calculator to determine how much Jacob will have after 25 years? Show how you obtained your answer by filling in the following as if it was the calculator displa...

A landscape designer has to design a rectangular pad of concrete at the centre of a rock garden. The length must be less than or equal to twice the width; the perimeter must be less than or equal to 40 m; and the area must be greater than or equal to 60 m^2. 1.)Write as system...

A landscape designer has to design a rectangular pad of concrete at the centre of a rock garden. The lenght must be less than or equal to twice the width; the perimeter must be less than or equal to 40 m; and the area must be greater than or equal to 60 m². 1.)Write as sy...

English
I need to identify the gerund or gerund phrase and identify it as a subject, a predicate noun, a direct object, or an object of a preposition. Or identify the sentence as one with no gerund. I need help with the following sentences. 1. It was time for sleeping. 2. But tossing ...