what horizontal force has to be applied to a wheely bin if it is to be wheeled to the street on a horizontal path against a frictional force of 20N at a constant 1.5m s-¹ ?

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explanation:

current and voltage can both be different in different parts of a circuit so it matters where you place the ammeter and voltmete

the earths atmosphere is made up of nitrogen and oxygen. solids can turn into gasses through a process called sublimation. sublimation is the transition of a substance directly from the solid to the gas phase, without passing through the intermediate liquid phase.

hope this : d