Q. A ball is thrown upwards with a speed of 20 m/s. How long will it take to reach the maximum height? (Take g = 10 m/s²) (2023)
A.
1 s
B.
2 s
C.
3 s
D.
4 s
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Solution
Time to reach maximum height = initial velocity / g = 20 / 10 = 2 s.
Correct Answer:
B
— 2 s
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Q. A ball is thrown upwards with a speed of 25 m/s. How long will it take to reach the maximum height? (Assume g = 10 m/s²)
A.
2.5 s
B.
3 s
C.
4 s
D.
5 s
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Solution
Time to reach maximum height = initial velocity / g = 25 / 10 = 2.5 s.
Correct Answer:
A
— 2.5 s
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Q. A ball is thrown upwards with an initial velocity of 20 m/s. How long will it take to reach the maximum height? (g = 10 m/s²)
A.
1 s
B.
2 s
C.
3 s
D.
4 s
Show solution
Solution
Using the formula: t = v/g = 20/10 = 2 s.
Correct Answer:
B
— 2 s
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Q. A ball is thrown vertically upwards with a speed of 15 m/s. How high will it rise before coming to a stop? (2023)
A.
11.25 m
B.
15 m
C.
22.5 m
D.
30 m
Show solution
Solution
Using the formula: height = (initial velocity^2) / (2 * g), where g = 9.8 m/s². Height = (15^2) / (2 * 9.8) = 11.25 m.
Correct Answer:
A
— 11.25 m
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Q. A car moving at 30 m/s applies brakes and comes to a stop in 6 seconds. What is the distance covered during braking? (2023)
A.
90 m
B.
120 m
C.
150 m
D.
180 m
Show solution
Solution
Using the formula: distance = initial velocity * time + 0.5 * acceleration * time^2. Here, acceleration = (0 - 30) / 6 = -5 m/s². Distance = 30 * 6 + 0.5 * (-5) * 6^2 = 180 - 90 = 90 m.
Correct Answer:
B
— 120 m
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Q. A cyclist travels at a speed of 10 m/s for 5 seconds. What distance does he cover? (2023)
A.
25 m
B.
50 m
C.
75 m
D.
100 m
Show solution
Solution
Distance = speed * time = 10 m/s * 5 s = 50 m.
Correct Answer:
B
— 50 m
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Q. A cyclist travels at a speed of 15 m/s for 2 minutes. How far does he travel?
A.
1800 m
B.
1200 m
C.
900 m
D.
600 m
Show solution
Solution
Distance = speed * time. Time in seconds = 2 * 60 = 120 s. Distance = 15 m/s * 120 s = 1800 m.
Correct Answer:
A
— 1800 m
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Q. A cyclist travels at a speed of 15 m/s for 2 minutes. How far does the cyclist travel?
A.
1800 m
B.
1200 m
C.
900 m
D.
600 m
Show solution
Solution
Distance = speed * time. Time in seconds = 2 minutes = 120 seconds. Distance = 15 m/s * 120 s = 1800 m.
Correct Answer:
A
— 1800 m
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Q. A cyclist travels at a speed of 15 m/s for 20 seconds. What distance does he cover?
A.
200 m
B.
300 m
C.
400 m
D.
500 m
Show solution
Solution
Distance = speed * time = 15 m/s * 20 s = 300 m.
Correct Answer:
C
— 400 m
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Q. A cyclist travels at a speed of 15 m/s for 20 seconds. What distance does the cyclist cover?
A.
150 m
B.
300 m
C.
400 m
D.
600 m
Show solution
Solution
Distance = speed * time = 15 m/s * 20 s = 300 m.
Correct Answer:
B
— 300 m
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Q. A projectile is launched at an angle of 30 degrees with an initial speed of 20 m/s. What is the maximum height reached? (g = 10 m/s²)
A.
5 m
B.
10 m
C.
15 m
D.
20 m
Show solution
Solution
Maximum height h = (u^2 * sin²θ) / (2g) = (20² * (1/2)²) / (2 * 10) = 5 m.
Correct Answer:
B
— 10 m
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Q. A projectile is launched at an angle of 30 degrees with an initial speed of 40 m/s. What is the maximum height reached? (g = 10 m/s²)
A.
80 m
B.
60 m
C.
40 m
D.
20 m
Show solution
Solution
Maximum height = (u^2 * sin²θ) / (2g) = (40^2 * (1/2)) / (2 * 10) = 80 m.
Correct Answer:
B
— 60 m
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Q. A runner completes a 400 m lap in 50 seconds. What is his average velocity?
A.
6 m/s
B.
7 m/s
C.
8 m/s
D.
9 m/s
Show solution
Solution
Average velocity = total distance / total time = 400 m / 50 s = 8 m/s.
Correct Answer:
A
— 6 m/s
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Q. A runner completes a 400 m lap in 50 seconds. What is the runner's average velocity?
A.
8 m/s
B.
6 m/s
C.
4 m/s
D.
2 m/s
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Solution
Average velocity = total displacement / total time. Since the runner returns to the starting point, displacement = 0. Average velocity = 0 m/s.
Correct Answer:
A
— 8 m/s
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Q. A stone is thrown horizontally from a height of 45 m. How long will it take to hit the ground? (Take g = 10 m/s²) (2023)
A.
3 s
B.
4.5 s
C.
5 s
D.
6 s
Show solution
Solution
Using h = 0.5 * g * t^2, we have 45 = 0.5 * 10 * t^2. Solving gives t^2 = 9, so t = 3 s.
Correct Answer:
A
— 3 s
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Q. A stone is thrown horizontally from the top of a cliff 45 m high. How long does it take to hit the ground? (Assume g = 10 m/s²)
A.
3 s
B.
4 s
C.
5 s
D.
6 s
Show solution
Solution
Using h = 0.5 * g * t^2, rearranging gives t = sqrt(2h/g) = sqrt(2 * 45 / 10) = sqrt(9) = 3 s.
Correct Answer:
B
— 4 s
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Q. A stone is thrown horizontally from the top of a cliff 45 m high. How long does it take to hit the ground? (g = 10 m/s²)
A.
3 s
B.
4 s
C.
5 s
D.
6 s
Show solution
Solution
Using h = 0.5 * g * t^2, rearranging gives t = sqrt(2h/g) = sqrt(2 * 45 / 10) = sqrt(9) = 3 s.
Correct Answer:
B
— 4 s
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Q. A stone is thrown horizontally from the top of a cliff 45 m high. How long will it take to hit the ground? (Assume g = 10 m/s²)
A.
3 s
B.
4 s
C.
5 s
D.
6 s
Show solution
Solution
Using the formula: h = 0.5 * g * t^2. Rearranging gives t = sqrt(2h/g) = sqrt(2 * 45 / 10) = sqrt(9) = 3 s.
Correct Answer:
B
— 4 s
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Q. A stone is thrown horizontally from the top of a cliff 80 m high. How long does it take to hit the ground? (g = 10 m/s²)
A.
4 s
B.
8 s
C.
10 s
D.
12 s
Show solution
Solution
Using the formula: h = 0.5 * g * t^2. Rearranging gives t = sqrt(2h/g) = sqrt(2 * 80 / 10) = sqrt(16) = 4 s.
Correct Answer:
A
— 4 s
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Q. A train moving at 72 km/h applies brakes and comes to a stop in 10 seconds. What is the acceleration of the train?
A.
-2 m/s²
B.
-3 m/s²
C.
-4 m/s²
D.
-5 m/s²
Show solution
Solution
First convert speed to m/s: 72 km/h = 20 m/s. Using the formula: a = (v - u) / t = (0 - 20) / 10 = -2 m/s².
Correct Answer:
C
— -4 m/s²
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Q. A train moving at 72 km/h applies brakes and comes to a stop in 5 seconds. What is the deceleration? (2023)
A.
2 m/s²
B.
3 m/s²
C.
4 m/s²
D.
5 m/s²
Show solution
Solution
First convert speed to m/s: 72 km/h = 20 m/s. Deceleration = (final velocity - initial velocity) / time = (0 - 20) / 5 = -4 m/s².
Correct Answer:
C
— 4 m/s²
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Q. A train moving at 72 km/h applies brakes and comes to a stop in 5 seconds. What is the acceleration of the train?
A.
-4 m/s²
B.
-5 m/s²
C.
-6 m/s²
D.
-7 m/s²
Show solution
Solution
First convert speed to m/s: 72 km/h = 20 m/s. Using the formula: acceleration = (final velocity - initial velocity) / time = (0 - 20) / 5 = -4 m/s².
Correct Answer:
B
— -5 m/s²
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Q. A vehicle travels 100 m in 5 seconds. What is its average speed?
A.
10 m/s
B.
15 m/s
C.
20 m/s
D.
25 m/s
Show solution
Solution
Average speed = total distance / total time = 100 m / 5 s = 20 m/s.
Correct Answer:
A
— 10 m/s
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Q. A vehicle travels with a uniform speed of 60 km/h. How far will it travel in 2 hours? (2023)
A.
80 km
B.
100 km
C.
120 km
D.
140 km
Show solution
Solution
Distance = speed * time = 60 km/h * 2 h = 120 km.
Correct Answer:
C
— 120 km
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Q. An object is dropped from a height of 80 m. How long will it take to reach the ground? (Take g = 10 m/s²) (2023)
A.
4 s
B.
8 s
C.
10 s
D.
12 s
Show solution
Solution
Using the formula: h = 0.5 * g * t^2. Rearranging gives t = sqrt(2h/g) = sqrt(2*80/10) = sqrt(16) = 4 s.
Correct Answer:
B
— 8 s
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Q. An object moves with a uniform acceleration of 2 m/s². If it starts from rest, what will be its velocity after 5 seconds?
A.
5 m/s
B.
10 m/s
C.
15 m/s
D.
20 m/s
Show solution
Solution
Using the formula: v = u + at, where u = 0, a = 2 m/s², t = 5 s. v = 0 + 2 * 5 = 10 m/s.
Correct Answer:
B
— 10 m/s
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Q. An object moves with a uniform speed of 10 m/s. How far will it travel in 15 seconds?
A.
100 m
B.
150 m
C.
200 m
D.
250 m
Show solution
Solution
Distance = speed * time = 10 m/s * 15 s = 150 m.
Correct Answer:
B
— 150 m
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Q. An object moves with a uniform speed of 20 m/s. How far will it travel in 15 seconds?
A.
200 m
B.
300 m
C.
400 m
D.
500 m
Show solution
Solution
Distance = speed * time = 20 m/s * 15 s = 300 m.
Correct Answer:
C
— 400 m
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Q. If a vehicle accelerates from 0 to 60 m/s in 12 seconds, what is its acceleration?
A.
2 m/s²
B.
4 m/s²
C.
5 m/s²
D.
6 m/s²
Show solution
Solution
Using the formula: a = (v - u) / t = (60 - 0) / 12 = 5 m/s².
Correct Answer:
B
— 4 m/s²
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Showing 1 to 29 of 29 (1 Pages)
Kinematics MCQ & Objective Questions
Kinematics is a crucial topic in physics that deals with the motion of objects. Understanding kinematics is essential for students preparing for school exams and competitive tests, as it forms the foundation for many advanced concepts. Practicing MCQs and objective questions on kinematics not only enhances conceptual clarity but also boosts exam performance by familiarizing students with important questions and formats.
What You Will Practise Here
Basic concepts of motion: distance, displacement, speed, and velocity
Acceleration and its types: uniform and non-uniform acceleration
Equations of motion for uniformly accelerated motion
Graphical representation of motion: distance-time and velocity-time graphs
Relative motion and its applications
Projectile motion: key principles and calculations
Concept of free fall and its implications in real-world scenarios
Exam Relevance
Kinematics is a significant part of the syllabus for CBSE, State Boards, NEET, and JEE. In these exams, students can expect questions that test their understanding of motion concepts, often presented in the form of numerical problems or conceptual MCQs. Common question patterns include calculations involving equations of motion, interpreting graphs, and solving problems related to projectile motion. Mastery of kinematics can greatly enhance a student's ability to tackle physics problems effectively.
Common Mistakes Students Make
Confusing distance with displacement and not understanding their differences
Misapplying the equations of motion, especially in non-uniform acceleration scenarios
Overlooking units while solving numerical problems, leading to incorrect answers
Failing to interpret graphs correctly, which can result in misunderstanding motion characteristics
Neglecting the effects of air resistance in projectile motion questions
FAQs
Question: What are the key formulas in kinematics?Answer: The key formulas include the three equations of motion: \(v = u + at\), \(s = ut + \frac{1}{2}at^2\), and \(v^2 = u^2 + 2as\).
Question: How can I improve my understanding of kinematics?Answer: Regular practice of Kinematics MCQ questions and solving objective questions with answers can significantly enhance your understanding and retention of the concepts.
Start your journey towards mastering kinematics today! Solve practice MCQs and test your understanding to excel in your exams. Remember, consistent practice is the key to success!
