Answer:
.1 A1 = a1 A1 is amount at .1 %
.01 A2 = a2 A2 is the amount at .01%
a1 + a2 = 454 total of a1 and a2
A = 454 / .03 = 15133.33 tot amount needed
454 = .1 A1 + .01 A2
A2 = 15133.33 - A1
454 = .1 A1 + .01 (15133.33 - A1)
454 = .09 A1 + 151.33
A1 = 302.67 / .09 = 3363
A2 = 15133.3 - 3363 = 11770.3
Check:
.1 * A1 = 336.3
.01 * A2 = 117.7
total = 336.3 + 117.7 = 454
Answer:
the most important thing to do is STUDY and practice, practice, practice. dont give up
Explanation:
Answer:
6 m/s
Explanation:
used omni wavelength calculater
Solve for the time it will take to complete a revolution. That is,
0.510 s / 440 revolutions = 51/44000 s
The frequency in Hertz is the reciprocal of this value thus the frequency is approximately equal to 862.75 Hz.
Angular velocity expressed in radians/second
(440 rev / 0.510 s) x (2π rad / 1 rev) = 5420.787 rad/s
The period is the reciprocal of frequency which is approximately equal to 1.16x10^-3 s.
Answer:
Explanation:
Given
mass of box=60 kg
distance=7.9 m
Force is parallel to displacement
coefficient of kinetic energy 
Work done by Force
Work done by Friction force
negative sign indicates that force is opposite to displacement
Work due to Weight and Normal reaction is zero as the force is perpendicular to Displacement
