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podryga [215]
3 years ago
15

Gina is driving her car down the street. She has a teddy bear sitting on the back seat. A dog runs in front of Gina's car, so sh

e quickly applies the brakes. The force of the brakes causes the car to stop, but the teddy bear continues to move forward until it hits the car's dashboard.
The teddy bear did not stop at the same time as the car because
Computers and Technology
2 answers:
kiruha [24]3 years ago
5 0
Newton's 1st Law of Motion- an object (bear) will stay in motion until acted upon by an unbalanced force
Nonamiya [84]3 years ago
3 0

Newton's first law of motion explains why the teddy bear in Gina's car did not stop at the same time as the car itself. The car was in motion until an external force caused the car to stop. The brakes did not act on the objects inside the car, they acted on only the car. The teddy bear, therefore, continued to stay in motion, even after the car had stopped. The teddy bear continued to move forward until it hit the dashboard of the car. The dashboard provided an outside force that stopped the motion of the teddy bear.

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MrRa [10]

Answer:

<?php

abstract class Student {

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 public $Lastname; // field for student last name

 public $Tuition; // field for annual tuition

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 }

 // get id number

 public function getId() {

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 }

   // set lastname

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  return $this->Lastname = $lastname;

 }

 // get lastname

 public function getLastname() {

  return $this->Lastname;

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   //the setTuition() method is abstract

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  return $this->Tuition;

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}

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class UndergraduateStudent extends Student {

 public function setTuition($amount) {

  return $this->Tuition = $amount;

 }

}

class GraduateStudent extends Student {

 public function setTuition($amount) {

  return $this->Tuition = $amount;

 }

}

class StudentAtLarge extends Student{

 public function setTuition($amount) {

  return $this->Tuition = $amount;

 }

}

   // create an instance of the class

$Undergraduate = new UndergraduateStudent(1,"Anyadike");

   // call all required methods

   echo '<span> id: </span>'.$Undergraduate->getId();

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 echo "<br>";

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   echo "<span> Tution:</span>".$StudentAtLarge->setTuition("$2000");

?>

Explanation:

explanations are detailed in the comment (//)

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