A Racing Car Accelerates Uniformly from Rest Along a Straight

question 7

Multiple Choice

A racing car accelerates uniformly from rest along a straight track. This track has markers spaced at equal distances along it from the start, as shown in the figure. The car reaches a speed of 140 km/h as it passes marker 2. Where on the track was the car when it was traveling at half this speed, that is at 70 km/h?

• A)Before marker 1
• B)At marker 1
• C)Between marker 1 and marker 2

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Definitions:

Quantum Meruit

A legal principle allowing one to recover reasonable value of services rendered when no contract exists or when a contract is unenforceable.

Gratuitous Promise

A promise made without expecting anything in return, lacking the legal enforceability of a contract due to the absence of consideration.

Binding Contract

An agreement that is legally enforceable in a court of law, holding parties to their promises.

Authenticate

The process of proving or validating the authenticity of something, often through verification of its origin or identity.