Momentum Math Examples
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This document contains examples of momentum and impulse math problems. It warns that the upcoming test will have more math than previous tests, and encourages asking questions. It defines momentum as mass times velocity, and gives an example of finding the momentum of a 100kg football player traveling at 20 m/s. It also defines impulse as force times time, and gives examples of calculating force from impulse and time for an egg hitting a surface.
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This document contains 6 physics problems involving momentum, impulse, and force. It asks the learner to calculate: 1) the average momentum of a 50 kg runner moving 400m in 50s, 2) the force of impact on a 10,000 kg cement truck stopping from 15 m/s, 3) the speed of a player with 4000 kg m/s momentum and 100kg mass, 4) the impulse on an egg hitting the ground with 50N force over 0.1s, 5) the speed of a 0.25kg egg hitting the ground with 50N force over 0.15s, and 6) the change in momentum of a 100kg football player accelerating at 5 m/s/s over
Momentum Probs
This document contains 10 physics problems involving momentum and impulse calculations. The problems ask the student to calculate momentum and impulse values given mass, velocity, force and time information. They are also asked to determine unknown values like mass or velocity given other known momentum or impulse quantities. Solving these problems requires using and manipulating the fundamental equations that define momentum as mass times velocity and impulse as force times time.
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This document provides instructions for an activity where students measure out the fat in french fries and sugar in a Coke from McDonalds. It then asks students to plan three balanced meals within a 1800 calorie daily budget and identify the worst possible single meal combination from McDonalds. It concludes by explaining how to calculate the percentage of calories from fat using the nutrition information on food labels.
Respiration5beyondglucose
Cellular respiration digests a variety of fuels beyond just glucose, including other carbohydrates, proteins, and fats. These fuels enter glycolysis or the Krebs cycle at different points to generate energy. The cell regulates respiration through feedback inhibition, where final products in metabolic pathways inhibit earlier enzymes to balance energy production with the body's needs and prevent unnecessary accumulation of intermediates. Phosphofructokinase, a key regulatory enzyme in glycolysis, is controlled through this feedback mechanism.
Atp Teach Intro
1) Organisms require energy to carry out essential life functions like building biomolecules, reproduction, movement, and temperature regulation.
2) Cells obtain this energy through catabolic reactions that break down organic molecules from food, capturing the released energy in ATP.
3) ATP is an efficient way to store and transport energy within cells through its high-energy phosphate bonds, which are unstable and easily broken to fuel other energy-requiring cellular processes.
Respiration Part3
The document summarizes the process of cellular respiration, which occurs in three main stages. In glycolysis, glucose is broken down to produce pyruvate along with a small amount of ATP. Pyruvate then enters the mitochondria where it is further oxidized through a series of reactions to produce acetyl-CoA. This is fed into the Krebs cycle where it undergoes additional reactions to yield more electron carriers like NADH and FADH2. While the Krebs cycle directly produces only 2 ATP, it generates the electron carriers that will ultimately be used by the electron transport chain to produce the majority of ATP through oxidative phosphorylation.
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Momentum Math Examples
- 1. Momentum Math Examples…warning this test has more math than the others! *Hint expect a math momentum quiz soon. So ask questions if you’ve got em! Momentum – mass X velocity p=mv No special unit , usually kg*m/s/s Find the momentum of a 100kg football player traveling at 20 m/s? Find the velocity of a car if it has a momentum of 200kg*m/s/s and a mass of 200kg. Impulse….this one is trickier, Impulse = force X time It is also = to the change in momentum so mv = Ft Find the force of an egg that hits a surface with an impulse of 50Ns, over a time of . 1seconds? If the same egg was dropped on a surface with a little more “give”, and the impact takes 1 second, what is the new force? If an egg (.25kg) hits the ground with a 50N. If the impact occurs in .25 seconds, how fast is it moving? Momentum Math Examples…warning this test has more math than the others! *Hint expect a math momentum quiz soon. So ask questions if you’ve got em! Momentum – mass X velocity p=mv No special unit , usually kg*m/s/s Find the momentum of a 100kg football player traveling at 20 m/s? Find the velocity of a car if it has a momentum of 200kg*m/s/s and a mass of 200kg. Impulse….this one is trickier, Impulse = force X time It is also = to the change in momentum so mv = Ft Find the force of an egg that hits a surface with an impulse of 50Ns, over a time of . 1seconds? If the same egg was dropped on a surface with a little more “give”, and the impact takes 1 second, what is the new force?
- 2. If an egg (.25kg) hits the ground with a 50N. If the impact occurs in .25 seconds, how fast is it moving?