A bus drives along a flat road. Its engine produces a forward driving force of 7000 N. Drag forces, D also act on the bus.
The bus has an acceleration of 1.2 m/s2 and a mass of 2500 kg.
1
DE
> 7000 N
(a) Determine the resultant force.

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Um vetor representa um deslocamento cujo módulo é 20 m. se v faz um ângulo de 60 graus com a horizontal, qual é o valor das componentes horizontal e vertical deste vetor?

Which of the following situations is impossible? a) an object has velocity directed east and acceleration directed east. b) an object has zero velocity but non-zero acceleration. c) an object has constant non-zero velocity and changing acceleration. d) an object has velocity directed east and acceleration directed west. e) an object has constant non-zero acceleration and changing velocity.

Match each scenario to the form of energy it represents