05/05/20

Kinematics Problem

In a 100 m race, a sprinter accelerates for the first 40.0 m at 2.56 m/s(squared). After this distance he reaches top speed and maintains this speed for the rest of the race.How long does it take... more

05/05/20

Need Help with this physics 2 questions?

In a certain region of space, the electric potential is given by V= Ax^2z − Bxz^2, were A= 8.00V/m^3 and B= 6.00V/m^3Calculate the electric field at coordinates x = - 2.00 m, y = 3.00 m, and z =... more

3x - 4y = 8 AND 9x + 4y = 4, solving by elimination

when I was solving this I think I messed up but I can't find my mistake, and it seems like I did it smoothly, can someone do a step-by-step so I can find my mistake?

05/05/20

what is the correct value

Cynthia runs around the track  times. The track is  of a mile long. How many total miles did Cynthia run?

05/05/20

Solving area and perimeter

The perimeter of a rectangular blanket is 232 inches. The length of the blanket is 76 inches. What is the width of the blanket?

05/05/20

Lines algebra 1

Find the equation of the line described. The line passes through the point (6,-9)(0,2)

05/05/20

The difference between a number n and −5 is 0.

05/05/20

The sum of twice a number and 1 is -3, find the number

05/04/20

The function of g is defined below. Find all values of that are NOT in the domain of g.

g(x)=x-2/x^2-9If there is more than one value, separate them with commas.

05/04/20

​(a) What is the height of the baseball when it is​ hit? ​(b) After how many seconds does the baseball reach its maximum​ height? ​(c) Determine the maximum height of the baseball.

A baseball is hit into the​ air, and its height h in feet after t seconds is given by h(t)=−16t2+128t+4

05/04/20

Write an exponential function in the form y=ab^x that goes through points (0,16) and (2,1296)

Exponential functionwritten in y=ab^x form

05/04/20

an equation perpendixulat to y=-1/3x+4 through (-4,2)

05/04/20

Physics Question - Gravitational Forces

Two spherical balls are placed so their centers are 255 cm apart. The force between the two balls is... 2.80 x 10-12 N. What is the mass of each ball if one ball is 3.00 kg more than the mass of... more

05/04/20

A line with a slope of -3 and a y-intercept of 2

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