A Block Is Placed in Oscillation on a Frictionless Horizontal

question 56

Multiple Choice

A block is placed in oscillation on a frictionless horizontal surface attached to a spring that requires 125 N for the block to be stretched 15 cm away from equilibrium.From this position it is released,and oscillates with a period of 0.25 s.What is the mass of the block?

• A) 0.66 kg
• B) 4.1 kg
• C) 1.3 kg
• D) 5.3 kg

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Definitions:

Ventricular Contraction

The phase of the cardiac cycle where the ventricles contract, pumping blood out of the heart into the pulmonary and systemic circuits.

Stroke Volume

The volume of blood pumped out by the left ventricle with each heartbeat.

Venous Return

The flow of blood back to the heart through the veins, crucial for maintaining circulatory system equilibrium.

Arterial Blood Pressure

The force exerted by circulating blood upon the walls of arteries, crucial for body function.