Physics G11 adv T1 Ch3 -Motion 2+3 D

Physics G11 adv T1 Ch3 -Motion 2+3 D

12th Grade

15 Qs

quiz-placeholder

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Physics G11 adv T1 Ch3 -Motion 2+3 D

Physics G11 adv T1 Ch3 -Motion 2+3 D

Assessment

Quiz

Physics

12th Grade

Hard

Created by

Taher Taher

Used 2+ times

FREE Resource

15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

projectile

A ball is thrown off a 25 m-high cliff. Its initial velocity is 25 m/s, directed at an angle of 53° above the horizontal. What is the maximum height the ball will reach above the ground? (g = -9.8 m/s2)

قذفت كرة من أعلى جرف ارتفاعه (m(25). إذا كانت سرعتها الابتدائية m/s 25 وتصنع زاوية 53 مع الأفق. ما أقصى ارتفاع تصل اليه الكرة عن الارض m/s 9.8 = )

45m

20m

12m

37m

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

The figure shows the motion of a projectile object with an initial velocity (9) ,when ignoring air resistance. What angle (9) should an object be thrown at to ensure that its maximum height (H) and horizontal range (R) are both equal?

يبين الشكل حركة جسم مقذوف بسرعة ابتدائية (190) ، بإهمال مقاومة الهواء بأية زاوية (0) يمكن قذف الجسم ليتساوى مداه الأفقي (R) مع أقصى ارتفاع يصل اليه (H)

الارتفاع (height (H

13

30

45

60

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Consider an object that is released with some initial velocity and moves only under the influence of gravity neglecting air resistance, spinning, and other effects. What do we call such object?

فكر بجسم منطلق بسرعة ابتدائية ويتحرك تحت تأثير الجاذبية فقط مع إهمال مقاومة الهواء والدوران وأي تأثيرات أخرى. ماذا يسمى هذا الجسم؟

an ideal projectile

المقذوف المثالي

the origin

نقطة الأصل

a realistic projectile

المقذوف الواقعي (الحقيقي)

a stationary object

الجسم الساكن

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

A cannon launches balls with a constant initial speed vo. What should be the launch angle so that the range of the projectile is maximum?

(Hint: launched balls are in ideal projectile motion.)

يطلق مدفع الكرات بسرعة ابتدائية ثابتة مقدارها 20 بأي زاوية يجب إطلاق المقذوفات للوصول الى أقصى مدى؟ (الكرات المطلقة تتبع حركة المقذوف المثالي.)

45°

30°

60°

--

90°

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

A car, moving on the road, is described as being at rest if viewed from the reference frame of the driver inside the car. The same car is described as being in motion if viewed from the reference frame of a stationary observer standing on the pavement. This occurs because ........

توصف السيارة التي تتحرك على الطريق بأنها في حالة سكون بالنسبة إلى مناط الإسناد الخاص بالسائق داخل السيارة، وتوصف السيارة نفسها بأنها في حالة حركة (متحركة) بالنسبة إلى مناط الإسناد الخاص بمراقب ثابت يقف على الرصيف. يحدث هذا لأن .

the weather is not good

الطقس غير جيد

the observer has farsightedness

المراقب يعاني من طول النظر

the observer has nearsightedness

المراقب يعاني من قصر النظر

motion is relative

الحركة تكون نسبية

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

An ideal projectile is launched from the origin with an initial speed of (vo = 40 m/s at an angle of (60°) above the positive x-axis. Find the maximum height reached by the projectile. (use g=10 m/s2)

انطلق مقذوف مثالي من نقطة الأصل بسرعة ابتدائية مقدارها (40m/s = 20) بزاوية (60) فوق المحور x الموجب.

أوجد أقصى ارتفاع يصله المقذوف (استخدم g=10 m/s).

40 m

50 m

60 m

70 m

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

A stone is thrown horizontally and follows the path ABC shown. What the direction of the acceleration of the stone at point B?

يتم إلقاء حجر أفقيًا ويتبع المسار ABC الموضح ما اتجاه تسارع الحجر عند النقطة B؟

downward

upward

to the right

45 degree under the horizon

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