PLEASE HELP ASAP a wave has an amplitude of 0.0800m and is moving 7.33m/s. one oscillator in the wave takes 0.115 to go from the lowest point in its motion to the highest point. find the wavelength of the wave. unit=m

weight of the box is given as

here this is placed on the inclined of angle 42 degree

now this weight will have two components one is along the incline other is perpendicular to it

so here we need to apply a force parallel to incline opposite to its component of weight

so here the component of weight is given as

here we have

so it requires 75 n force to move it upwards

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