An Engine with 75 KW of Power Can Accelerate a Car

question 68

Multiple Choice

An engine with 75 kW of power can accelerate a car from rest to 20 m/s during 6.0 s.What is the mass of the car (ignore friction and air resistance) ?

• A)1.25  10³ kg
• B)2.25  10³ kg
• C)3.25  10³ kg
• D)2.65  10³ kg
• E)1.85  10³ kg

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Definitions:

Pleural Cavity

The thin fluid-filled space between the two pulmonary pleurae of each lung.

Serous Membrane

A thin layer of tissue that lines certain internal cavities of the body, secreting a serous fluid to lubricate and reduce friction between internal organs.

Visceral

Relating to the internal organs.

Parietal Pleura

The outer membrane that lines the inner surface of the chest wall and diaphragm in the thoracic cavity, but does not cover the lungs directly.