السلام عليكم ورحمة الله وبركاته ..
تحية واحترام .. وبعد ,,,
كيفكم يا اعضاء الساحة العمانية ؟؟
عساكم طيبين ..
انا طالب ادرس في كلية التقنية ,,, واحتاج الى مساعدتكم (حل اسئلة اختر) ..
أخواني واخواتي اريد منكم مساعدة في حل الأسئلة ( في مادة الفيزياء 1 )
فقط اختر ::
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Assignment May 12 - Attempt 1
تحية واحترام .. وبعد ,,,
كيفكم يا اعضاء الساحة العمانية ؟؟
عساكم طيبين ..
انا طالب ادرس في كلية التقنية ,,, واحتاج الى مساعدتكم (حل اسئلة اختر) ..
أخواني واخواتي اريد منكم مساعدة في حل الأسئلة ( في مادة الفيزياء 1 )
فقط اختر ::
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Assignment May 12 - Attempt 1
Question 1
The statement by Newton that "for every action there is an opposite but equal reaction" is regarded as which of his laws of motion?
Choose one answer.
The statement by Newton that "for every action there is an opposite but equal reaction" is regarded as which of his laws of motion?
Choose one answer.
Question 2
If point A is located at coordinates (5, 3) and point B is located at coordinates (-3, 9), what is the distance from A to B if the units of the coordinated system are meters?
Choose one answer.
If point A is located at coordinates (5, 3) and point B is located at coordinates (-3, 9), what is the distance from A to B if the units of the coordinated system are meters?
Choose one answer.
Question 3
Which formula is dimensionally consistent with an expression yielding a value for velocity? (a is acceleration, x is distance, and t is time)
Choose one answer.
Which formula is dimensionally consistent with an expression yielding a value for velocity? (a is acceleration, x is distance, and t is time)
Choose one answer.
Question 4
A man pulls a sled at a constant velocity across a horizontal snow surface. If a force of 80 N is being applied to the sled rope at an angle of 53° to the ground, what is the force of friction between sled and snow?
Choose one answer.
A man pulls a sled at a constant velocity across a horizontal snow surface. If a force of 80 N is being applied to the sled rope at an angle of 53° to the ground, what is the force of friction between sled and snow?
Choose one answer.
Question 5
The unit of power, watt, is dimensionally the same as:
Choose one answer.
The unit of power, watt, is dimensionally the same as:
Choose one answer.
Question 6
Marks: --/2
If the displacement of an object, x, is related to velocity, v, according to the relation x = Av, the constant, A, has the dimension of which of the following?
Choose one answer.
Marks: --/2
If the displacement of an object, x, is related to velocity, v, according to the relation x = Av, the constant, A, has the dimension of which of the following?
Choose one answer.
Question 7
The energy associated with the motion of an object is the potential Energy.
Answer:
True False
Question 8
A 15-kg block rests on a level frictionless surface and is attached by a light string to a 5.0-kg hanging mass where the string passes over a massless frictionless pulley. If g = 9.8 m/s2, what is the tension in the connecting string?
Choose one answer.
The energy associated with the motion of an object is the potential Energy.
Answer:
True False
Question 8
A 15-kg block rests on a level frictionless surface and is attached by a light string to a 5.0-kg hanging mass where the string passes over a massless frictionless pulley. If g = 9.8 m/s2, what is the tension in the connecting string?
Choose one answer.
Question 9
An automobile of mass 2 000 kg moving at 30 m/s is braked suddenly with a constant braking force of 10 000 N. How far does the car travel before stopping?
Choose one answer.
An automobile of mass 2 000 kg moving at 30 m/s is braked suddenly with a constant braking force of 10 000 N. How far does the car travel before stopping?
Choose one answer.
Question 10
Match the following definitions with the corresponding expressions;
Match the following definitions with the corresponding expressions;
Question 11
The net force acting on a 6.0-kg object is given by Fx = (10 - x) N, where Fx is in newtons and x is in meters. How much work is done on the object as it moves from x = 0 to x = 10 m?
Choose one answer.
The net force acting on a 6.0-kg object is given by Fx = (10 - x) N, where Fx is in newtons and x is in meters. How much work is done on the object as it moves from x = 0 to x = 10 m?
Choose one answer.
Question 12
A thrown stone hits a window, but doesn't break it. Instead it reverses direction and ends up on the ground below the window. In this case, we know:
Choose one answer.
A thrown stone hits a window, but doesn't break it. Instead it reverses direction and ends up on the ground below the window. In this case, we know:
Choose one answer.
Question 13
A 2 000-kg sailboat experiences an eastward force of 3 000 N by the ocean tide and a wind force against its sails with magnitude of 6 000 N directed toward the northwest (45° N of W). What is the magnitude of the resultant acceleration?
Choose one answer.
A 2 000-kg sailboat experiences an eastward force of 3 000 N by the ocean tide and a wind force against its sails with magnitude of 6 000 N directed toward the northwest (45° N of W). What is the magnitude of the resultant acceleration?
Choose one answer.
Question 14
The work done on a moving object equals to the change in its Kinetic Energy
Answer:
True False
Question 15
A train slowly climbs a 500-m mountain track which is at an angle of 10.0° with respect to the horizontal. How much altitude does it gain?
Choose one answer.
The work done on a moving object equals to the change in its Kinetic Energy
Answer:
True False
Question 15
A train slowly climbs a 500-m mountain track which is at an angle of 10.0° with respect to the horizontal. How much altitude does it gain?
Choose one answer.
Question 16
Fatma throws two stones from the top edge of a building with a speed of 20 m/s. She throws one straight down and the other straight up. The first one hits the street in a time t1. what is the time diffrence of the second to hit the street?
Choose one answer.
Fatma throws two stones from the top edge of a building with a speed of 20 m/s. She throws one straight down and the other straight up. The first one hits the street in a time t1. what is the time diffrence of the second to hit the street?
Choose one answer.
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الاسئلة : فقط اختر اجابة صحيحة
وسؤال رقم 7 صح او خطا..
بانتظار الرد منكم ...
ولكم جزيل الشكر...
الاسئلة : فقط اختر اجابة صحيحة
وسؤال رقم 7 صح او خطا..
بانتظار الرد منكم ...
ولكم جزيل الشكر...
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