Friday
December 6, 2013

# Posts by Jenn

Total # Posts: 251

College Algebra
width = x length = 3x perimeter = 3x+3x+x+x > or = 48 8x > or = 48 divide by 8 x > or = 6

calculus
6x+7y-5=0 +5 +5 6x+7y=5 -6x -6x 7y=5-6x /7 /7 y=(5-6x)/7

calculus
Determine the exact value for the constant k such that the area of the region bounded by the curves y=x and y=kx^2 is equal to 2/3 sq units. Any help is appreciated.

calculus
a box has a length of 32 centimeters a width of 51 cm and a height of 19 cm. calculate the volume of the box.

math
the width of a basketball court is 1 m more than half the length. If the area of the court is 364 m squared, find the length and width. Sounds easy...but I do not know how to start off the problem.

physics
A freight train has a mass of 1.5 × 107 kg. If the locomotive can exert a constant pull of 4.9×105 N, how long does it take to increase the speed of the train from rest to 74 km/h? Answer in units of min.

physics
A 5.8 g bullet leaves the muzzle of a rifle with a speed of 306 m/s. What total constant force is exerted on the bullet while it is traveling down the 0.75 m long barrel of the rifle?

physics
thank you. I thought that but was not sure

physics
a satellite is in a circular orbit at a constant velocity around the earth. how much work is done on the satellite?

physics
two equal mass cars collide head to tail and their bumpers lock. One car has a velocity of 10m/s and the other is at rest. what is the velocity of the two cars after the collision?

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