What is the acceleration of a 20kg bike if its being pedaled in a northerly direction with constant unbalanced force of 10 nwhat is the acceleration of a 20kg bike if its being pedaled in a northerly direction with constant unbalanced force of 10 n

0.5m/s²

Explanation:

Given that,

acceleration of bike (a) = ?

Mass of bike (m) = 20kg bike

(Note that the displacement of the bike is in the northerly direction)

constant unbalanced force (f) = 10 N

According to Newton's second law of motion, the acceleration of the bike will be directly proportional to force acting on it but inversely proportional to the mass of the bike.

Hence, Force α mass x acceleration

f = ma

Make a the subject formula

a = f / m

Now find the acceleration of the bike

a = 10N / 20kg

a = 0.5m/s²

Thus, the acceleration of the bike pedaled in the northerly direction is 0.5m/s²

freezing

deposition

condensation

explanation;

melting also called fusion is the process where solid becomes liquid, sublimation is the process where solid becomes gaseous without first changing to liquid, deposition involves change from gaseous to solid state, freezing involves change from liquid to solid, boiling or evaporation involves change of liquid to gaseous state, while condensation is the change from gaseous state to liquid state.

endothermic reactions involves absorption of heat from the surroundings or the environment while exothermic reactions involves loss of heat energy to the surroundings.

in this case, sublimation, evaporation and melting are endothermic reactions (gain energy from the environment) while, freezing, deposition and condensation are exothermic (loss of energy to the surroundings) reactions.

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