last name duarte first name ileen period 4b date 1 - 6 - 23\ndirections for annotation: as you read each…

last name duarte first name ileen period 4b date 1 - 6 - 23\ndirections for annotation: as you read each paragraph, use these marks to help you understand and remember.\ncircle key words or phrases\n★ star sentences that explain important ideas\n? question mark next to phrases or sections you dont understand or want to explore\n→ arrow, you make connections to\nclose reading activity: acceleration\nparagraph 1\nacceleration is an important idea in physics that explains how an objects velocity changes over time.\nvelocity means both how fast something is moving and the direction its moving in. when an objects\nvelocity changes, we say it is accelerating. acceleration happens whenever the speed changes - whether\n the object is speeding up, slowing down, or changing direction. acceleration is a vector, which means it\n has both magnitude (how much) and direction. the direction of acceleration depends on whether the\n object is speeding up or slowing down compared to the way its moving. in straight - line motion,\n acceleration can be positive or negative. for example, if an object speeds up, its acceleration points in\n the same direction as its movement. if it slows down, the acceleration points opposite to its movement.\n for example, when a car speeds up to get onto a highway, it has positive acceleration. when the driver\n brakes, the car slows down, showing negative acceleration. even turning the steering wheel causes\n acceleration because the direction changes, even if the speed stays the same.\nname of your partner:\none - sentence summary:\nparagraph 2\nthe slope of a velocity versus time graph shows acceleration, which tells us how quickly velocity changes\n over time. if the line on the graph goes up from left to right, the slope is positive, meaning the objects\n velocity is increasing and it is speeding up. if the line goes down, the slope is negative, meaning the\n object is decelerating and the object is slowing down. if the line is flat and horizontal, the velocity stays\n the same, so the acceleration is zero. imagine a car starting from rest and gradually speeding up over 10\n seconds. on a velocity - time graph, the line would rise from zero to a higher velocity, showing positive\n acceleration. if the car then brakes and slows down to a stop, the line would slope down toward zero,\n showing negative acceleration. while cruising at a steady speed, the line would be flat, indicating zero\n acceleration. by looking closely at how steep the slope is and which way it goes, we can tell not just if the\n object is speeding up or slowing down, but also how fast those changes happen. understanding the\n connection between slope and acceleration helps us analyze motion more clearly using graphs.\nname of your partner:\none - sentence summary:\nparagraph 3\nunderstanding acceleration helps us explain many everyday experiences and natural phenomena, from\n sports to space travel. in physics, acceleration is measured in standard si or metric units - meters per\n second squared (m/s²). the formula for acceleration is a=\frac{delta v}{delta t}, where delta v (read as delta v) is the change in velocity and delta t (read as delta t) is\n the time it takes for that change in velocity. the symbol delta means \change in\. by carefully reading\n this formula, you can see that acceleration depends both on how much the velocity\n changes and how quickly that change happens.\nname of your partner:\none - sentence summary:\nquestions for discussion: answer the questions in complete sentences.\n1. what is acceleration? is acceleration the same as velocity? explain.\nname of your partner:\nanswer:\n2. why does changing direction cause acceleration even if speed stays the same?\nname of your partner:\nanswer:\n3. in what si or metric units is acceleration measured, and what do those units mean?\nname of your partner:\nanswer:\n4. what is the formula for acceleration, and do the symbols delta v and delta t represent?\nname of your partner:\nanswer:\n5. what is positive acceleration and negative acceleration? provide an example for each.\nname of your partner:\nanswer:\n6. what does the slope of velocity versus time represent? what does a positive slope, a negative slope,\nor flat slope indicate in a velocity versus time graph?\nname of your partner:\nanswer:\n3 - 2 - 1 exit ticket:

last name duarte first name ileen period 4b date 1 - 6 - 23\ndirections for annotation: as you read each paragraph, use these marks to help you understand and remember.\ncircle key words or phrases\n★ star sentences that explain important ideas\n? question mark next to phrases or sections you dont understand or want to explore\n→ arrow, you make connections to\nclose reading activity: acceleration\nparagraph 1\nacceleration is an important idea in physics that explains how an objects velocity changes over time.\nvelocity means both how fast something is moving and the direction its moving in. when an objects\nvelocity changes, we say it is accelerating. acceleration happens whenever the speed changes - whether\n the object is speeding up, slowing down, or changing direction. acceleration is a vector, which means it\n has both magnitude (how much) and direction. the direction of acceleration depends on whether the\n object is speeding up or slowing down compared to the way its moving. in straight - line motion,\n acceleration can be positive or negative. for example, if an object speeds up, its acceleration points in\n the same direction as its movement. if it slows down, the acceleration points opposite to its movement.\n for example, when a car speeds up to get onto a highway, it has positive acceleration. when the driver\n brakes, the car slows down, showing negative acceleration. even turning the steering wheel causes\n acceleration because the direction changes, even if the speed stays the same.\nname of your partner:\none - sentence summary:\nparagraph 2\nthe slope of a velocity versus time graph shows acceleration, which tells us how quickly velocity changes\n over time. if the line on the graph goes up from left to right, the slope is positive, meaning the objects\n velocity is increasing and it is speeding up. if the line goes down, the slope is negative, meaning the\n object is decelerating and the object is slowing down. if the line is flat and horizontal, the velocity stays\n the same, so the acceleration is zero. imagine a car starting from rest and gradually speeding up over 10\n seconds. on a velocity - time graph, the line would rise from zero to a higher velocity, showing positive\n acceleration. if the car then brakes and slows down to a stop, the line would slope down toward zero,\n showing negative acceleration. while cruising at a steady speed, the line would be flat, indicating zero\n acceleration. by looking closely at how steep the slope is and which way it goes, we can tell not just if the\n object is speeding up or slowing down, but also how fast those changes happen. understanding the\n connection between slope and acceleration helps us analyze motion more clearly using graphs.\nname of your partner:\none - sentence summary:\nparagraph 3\nunderstanding acceleration helps us explain many everyday experiences and natural phenomena, from\n sports to space travel. in physics, acceleration is measured in standard si or metric units - meters per\n second squared (m/s²). the formula for acceleration is a=\frac{delta v}{delta t}, where delta v (read as delta v) is the change in velocity and delta t (read as delta t) is\n the time it takes for that change in velocity. the symbol delta means \change in\. by carefully reading\n this formula, you can see that acceleration depends both on how much the velocity\n changes and how quickly that change happens.\nname of your partner:\none - sentence summary:\nquestions for discussion: answer the questions in complete sentences.\n1. what is acceleration? is acceleration the same as velocity? explain.\nname of your partner:\nanswer:\n2. why does changing direction cause acceleration even if speed stays the same?\nname of your partner:\nanswer:\n3. in what si or metric units is acceleration measured, and what do those units mean?\nname of your partner:\nanswer:\n4. what is the formula for acceleration, and do the symbols delta v and delta t represent?\nname of your partner:\nanswer:\n5. what is positive acceleration and negative acceleration? provide an example for each.\nname of your partner:\nanswer:\n6. what does the slope of velocity versus time represent? what does a positive slope, a negative slope,\nor flat slope indicate in a velocity versus time graph?\nname of your partner:\nanswer:\n3 - 2 - 1 exit ticket:

Answer

  1. Brief Explanations:
    • Aceleración es la manera en que la velocidad de un objeto cambia con el tiempo. La velocidad es la rapidez y dirección de movimiento, mientras que la aceleración se refiere a cambios en la velocidad (velocidad y/o dirección).

Answer:

Aceleración es cómo cambia la velocidad de un objeto con el tiempo. No es lo mismo que la velocidad. La velocidad es la rapidez y dirección de movimiento, mientras que la aceleración se refiere a cambios en la velocidad, ya sea en magnitud (rapidez) o dirección.

  1. Brief Explanations:
    • La aceleración es un vector, lo que significa que tiene magnitud y dirección. Cambiar de dirección significa que cambia el vector velocidad, por lo que hay aceleración, aunque la rapidez (magnitud de la velocidad) permanezca constante.

Answer:

Cambiar de dirección causa aceleración porque la aceleración es un vector y un cambio en la dirección del movimiento del objeto significa un cambio en el vector velocidad, aunque la magnitud de la velocidad (rapidez) no cambie.

  1. Brief Explanations:
    • En unidades SI, la aceleración se mide en metros por segundo al cuadrado ($m/s^{2}$). Esto significa que se está midiendo la cantidad de cambio en la velocidad (en metros por segundo) por cada segundo transcurrido.

Answer:

La aceleración se mide en metros por segundo al cuadrado ($m/s^{2}$). Estas unidades indican la cantidad de cambio en la velocidad (en metros por segundo) por cada segundo de tiempo.

  1. Brief Explanations:
    • La fórmula para la aceleración es $a=\frac{\Delta v}{\Delta t}$, donde $\Delta v$ es el cambio en la velocidad y $\Delta t$ es el cambio en el tiempo.

Answer:

La fórmula para la aceleración es $a = \frac{\Delta v}{\Delta t}$. El símbolo $\Delta v$ representa el cambio en la velocidad y $\Delta t$ representa el cambio en el tiempo.

  1. Brief Explanations:
    • La aceleración positiva ocurre cuando un objeto aumenta su velocidad en la dirección en que se está moviendo. Por ejemplo, un coche acelerando para entrar en una autopista. La aceleración negativa ocurre cuando un objeto reduce su velocidad o se mueve en dirección opuesta a su movimiento inicial, como un coche que frena.

Answer:

La aceleración positiva es cuando un objeto aumenta su velocidad en la dirección de movimiento, como un coche acelerando para entrar en una autopista. La aceleración negativa es cuando un objeto reduce su velocidad o se mueve en dirección opuesta, como un coche que frena.

  1. Brief Explanations:
    • En un gráfico de velocidad versus tiempo, una pendiente positiva significa que la velocidad del objeto está aumentando con el tiempo (aceleración positiva). Una pendiente negativa significa que la velocidad está disminuyendo (aceleración negativa). Una pendiente plana significa que la velocidad no cambia (aceleración cero).

Answer:

En un gráfico de velocidad versus tiempo, una pendiente positiva representa aceleración positiva (aumento de velocidad), una pendiente negativa representa aceleración negativa (disminución de velocidad) y una pendiente plana representa aceleración cero (velocidad constante).