A Projectile Is Ejected from a 25-M High Tower with a Velocity

question 28

Multiple Choice

A projectile is ejected from a 25-m high tower with a velocity of 40 m/s at an angle of 30 degrees to the horizontal first on Earth and then on Mars.What is the ratio of the time taken to hit the ground on Mars compared to Earth? (Assume g_Mars = 0.38g_Earth)

• A)2.4
• B)2.6
• C)0.38
• D)6.9
• E)1.0

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Definitions:

Productivity Growth

An increase in the efficiency of production, often measured by the ratio of output to inputs in the production process over time.

Produce Goods

The process of creating, manufacturing, or growing products intended for consumption or use.

Services

Intangible products such as healthcare, education, and financial consultation that are consumed by buyers in an economy.

Power Of Population

Refers to the impact that a population size and growth rate can have on resources and environmental conditions.