PLEASE HELP!! An object 4 cm tall stands 10 cm in front of a converging mirror of focal length 5 cm. Using the concept of the three
principal rays, click on the smaller image below to show the correct location of the image.

answer: good job it's all correct !

explanation:

c because the action was the roller coaster reaches bottom of hill (action) reaction would be blood tends to drain away from head

hope this !

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