Question

Assume an intercontinental ballistic missile goes from rest to a suborbital speed of $6.50 \mathrm{km} / \mathrm{s}$ in $60.0 \mathrm{s}$ (the actual speed and time are classified). What is its average acceleration in meters per second and in multiples of $\bar{g}$ $\left(9.80 \mathrm{m} / \mathrm{s}^{2}\right) ?$

Name: Problem 41, Chapter 3: University Physics Volume 1
Uploaded: 2020-06-30T01:15:32-08:00
Duration: 1 min 11 s
Channel: Surjit Tewari
Description: Assume an intercontinental ballistic missile goes from rest to a suborbital speed of 6.50 km / s in 60.0 s (the actual speed and time are classified). What is its average acceleration in meters per second and in multiples of g̅ (9.80 m / s^2) ?

   Assume an intercontinental ballistic missile goes from rest to a suborbital speed of $6.50 \mathrm{km} / \mathrm{s}$ in $60.0 \mathrm{s}$ (the actual speed and time are classified). What is its average acceleration in meters per second and in multiples of $\bar{g}$ $\left(9.80 \mathrm{m} / \mathrm{s}^{2}\right) ?$

University Physics Volume 1

Samuel J. Ling, Jeff… 1st Edition

Chapter 3, Problem 41

Instant Answer

Solved by Expert Surjit Tewari

06/30/2020

Step 1

We know that 1 km = 1000 m, so we multiply 6.50 km/s by 1000 to get 6500 m/s. Show more…

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Assume an intercontinental ballistic missile goes from rest to a suborbital speed of $6.50 \mathrm{km} / \mathrm{s}$ in $60.0 \mathrm{s}$ (the actual speed and time are classified). What is its average acceleration in meters per second and in multiples of $\bar{g}$ $\left(9.80 \mathrm{m} / \mathrm{s}^{2}\right) ?$

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Key Concepts

Average Acceleration

Average acceleration is defined as the change in velocity divided by the time over which the change occurs. It quantifies how quickly an object's speed increases or decreases. This concept is pivotal in kinematics when analyzing motions that involve uniform or non-uniform acceleration.

Unit Conversion

Unit conversion is an essential practice in physics to ensure that calculations are performed within a consistent system of units. Converting quantities, such as transforming kilometers per second to meters per second, is particularly crucial when using standard equations that assume SI units.

Acceleration Relative to g

Acceleration relative to g involves expressing an acceleration value as a multiple of the standard acceleration due to gravity (g ? 9.80 m/s²). This method provides a way to compare accelerations in everyday experiences with the force of gravity, making it easier to understand and contextualize magnitudes of acceleration.

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