Podcast
Questions and Answers
The time rate of change of linear momentum of a body is equal to:
The time rate of change of linear momentum of a body is equal to:
MLT represents the dimension of:
MLT represents the dimension of:
A car slows down its motion from 10 m/s to 6 m/s in 2 seconds. How far did the car travel during this time interval?
A car slows down its motion from 10 m/s to 6 m/s in 2 seconds. How far did the car travel during this time interval?
A moving object slows down from 12 m/s to rest at a distance of 20 m. What is the acceleration of the object?
A moving object slows down from 12 m/s to rest at a distance of 20 m. What is the acceleration of the object?
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The gravitational constant G is used to calculate which of the following?
The gravitational constant G is used to calculate which of the following?
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Study Notes
Physics 1210: Mechanics
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Constants:
- Gravity (g) = 10.0 m/s²
- Gravitational Constant (G) = 6.67 x 10⁻¹¹ Nm²/kg²
Question 1: Time Rate of Change of Linear Momentum
- The time rate of change of linear momentum of a body is equal to the applied force.
- Linear momentum is the product of an object's mass and velocity.
- The change in momentum is calculated as the mass times the change in velocity.
Question 2: Dimensional Formula MLT
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Momentum has the dimensional formula MLT.
- M = mass, L = length, T = time.
- Momentum is calculated as mass times velocity.
Question 3: Constant Acceleration
- A car decelerates from 10 m/s to 6 m/s in 2 seconds.
- Determining the acceleration (a) using the formula: a = (vf - vi) / t = (6 - 10) / 2 = -2 m/s².
- Calculating the distance traveled (s) using the formula: s = vi*t + (1/2)at² = 10 * 2 + (1/2) * -2 * 2² = 16 meters.
Question 4: Constant Acceleration
- An object decelerates from 12 m/s to rest (vf = 0 m/s) over 20 meters.
- Calculating the acceleration (a) using the formula: a = (vf² - vi²) / 2s = ( 0² - 12²) / (2 * 20) = -3.6 m/s².
Question 5, 6, 7, 8, 9, 10, 11, 12, 13-24
- Please provide the full question details and the related text because the full questions are needed for an accurate analysis and note-taking.
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Description
Test your understanding of the fundamental concepts in Mechanics covered in Physics 1210. This quiz includes questions about linear momentum, dimensional formulas, and constant acceleration calculations. Challenge yourself and solidify your knowledge of these essential physics principles.
