The length of a rectangle is four times its width. the perimeter of the rectangle is at most 130 cm. which inequality models the relationship between the width and the perimeter of the rectangle? 2w+2⋅(4w)> 130 2w+2⋅(4w)≥130 2w+2⋅(4w)≤130 2w+2⋅(4w)< 130

Eddy whose mass is 55kg climbs up the 1.50 meter high stairs in 2s. calculate eddy’s power rating

Acaterpillar tries to climb straight up a wall a meter high, but for every 2 cm up it climbs, it slides down 1 cm. eventually, it reaches the top. when it reaches the top, it does not pull itself over so it will slide down 1 cm. what is the total displacement traveled?

When the displacement of a mass on a spring is 12a the half of the amplitude, what fraction of the mechanical energy is kinetic energy? at what displacement, as a fraction of a, is the mechanical energy half kinetic and half potential?