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Study bachelors and masters degree courses, online physics degree programs MCQs: angle that lies between two vectors a = 5 + 1 and b = 2 + 4 is with options 52, 51, 50 and 45 with online learning guide for international exams' preparation like ACT prep for good ACT percentiles. Free skills assessment test is for online learning physics equations quiz questions with MCQs, exam preparation questions and answers. Physics Equations Video

MCQ: Angle that lies between two vectors A = 5 + 1 and B = 2 + 4 is

1. 52
2. 51
3. 50
4. 45

A

MCQ: F = ma, this equation is referred to as newton's

1. second law
2. first law
3. third law
4. fourth law

A

MCQ: According to equation of continuity, product of area of pipe and speed of fluid along pipe is

1. 1
2. 0
3. constant
4. different

C

MCQ: If a body has 200 kg mass and its velocity gets reduced from 25 m s-1 to 20 m s-1 in 4 seconds, average retarding force on a body will be

1. −200 N
2. 200 N
3. −250 N
4. 250 N

C

MCQ: If a body moving with initial, constant velocity of 10 m s-1, accelerates for 2 seconds at a constant rate of 12 m s-2, final velocity of body will be

1. 30 m s-1
2. 34 m s-1
3. 40 m s-1
4. 45 m s-1

B