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A mineral
a. has a chemical formula.
b. occurs naturally
c.
d.
has a characteristic internal structure.
All of the above.
Please select the best answer from the choices provided
A
B

С
D

Porque crees que el agua no podia subir mas de 10 m de altura con ese tipo de bomba

The x-coordinate of a particle in curvilinear motion is given by x = 3.1t3 - 4.9t where x is in feet and t is in seconds. the y-component of acceleration in feet per second squared is given by ay = 2.3t. if the particle has y-components y = 0 and vy = 5.0 ft/sec when t = 0, find the magnitudes of the velocity v and acceleration a when t = 1.8 sec. sketch the path for the first 1.8 seconds of motion, and show the velocity and acceleration vectors for t = 1.8 sec. answers: v = ft/sec a = ft/sec2

Could someone . i have tried to solve myself but my calculation is off