Physics G11 adv T1 Ch3 -Motion 2+3 D

Quiz
•
Physics
•
12th Grade
•
Hard
Taher Taher
Used 2+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
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
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
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
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
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
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
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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