Question 1
A projectile is launched from flat ground with initial velocity u at an angle of 45° to the horizontal. What is the relationship between its maximum height H and its horizontal range R?
Correct Answer:
R = 4H
Question 2
A car negotiates a curved horizontal track of radius 40 m at a speed of 20 m/s without relying on friction. Taking g = 10 m/s², what is the required banking angle θ of the road?
Correct Answer:
45°
Question 3
A block of mass 5 kg rests on a rough horizontal floor with coefficient of kinetic friction μₖ = 0.2. If a horizontal pulling force of 20 N is applied to the block, what is its acceleration? (Take g = 9.8 m/s²)
Correct Answer:
2.04 m/s²
Question 4
If the linear momentum of a moving body is increased by 50%, by what percentage does its kinetic energy increase?
Correct Answer:
125%
Question 5
What is the ratio of the radius of gyration of a uniform solid sphere of mass M and radius R to that of a uniform solid cylinder of the same mass and radius, both rotating about their standard central axes?
Correct Answer:
2 : √5
Question 1
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About this Exam

Prepare with the DU Ka Unit (Science Unit) Practice Questions - Dhaka University 'Ka' Unit (Science Unit) Undergraduate Admission Test Exam practice quiz. This question bank includes 100 questions covering radius, velocity, horizontal, energy, and standard. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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DU Ka Unit (Science Unit) Practice Questions - Dhaka University 'Ka' Unit (Science Unit) Undergraduate Admission Test Exam

This practice set contains 100 questions from the matching question bank and focuses on radius, velocity, horizontal, energy, and standard. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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