This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Physics (Part I) Chapter 2 Kinematics – Quiz 19 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Physics (Part I) Chapter 2 Kinematics Quiz 19 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. V A) Displacement. B) Time. C) Initial velocity. D) Final velocity. E) Acceleration. Show Answer Correct Answer: D) Final velocity. 2. On Planet X gravity is 8 m/s/s. You throw a rock upward at 40 m/s. What is its velocity 4 seconds later? (Show Work #6) A) 8 m/s, rising. B) 8 m/s, falling. C) 5 m/s, rising. D) 5 m/s, falling. E) 0 m/s, at highest point. Show Answer Correct Answer: A) 8 m/s, rising. 3. An astronaut travels at a speed of 400 m/s for 250 seconds, what is the total distance he traveled? A) 0.625 m. B) 100, 000 m. C) 1.6 m. D) 650 m. Show Answer Correct Answer: B) 100, 000 m. 4. If you increase the force on an object, its acceleration A) Decreases. B) Stays the same. C) Also increases. D) Stops. Show Answer Correct Answer: C) Also increases. 5. Which of the following correctly describes what happens during a free fall? A) Kinetic energy is converted to potential energy. B) Velocity is constant. C) Acceleration is constant. D) Acceleration increases with the fall. Show Answer Correct Answer: C) Acceleration is constant. 6. Simplified description that contains only those elements necessary to describe the physics of a physical situation A) Model. B) Scientific. C) Law. D) Theory. Show Answer Correct Answer: A) Model. 7. A rock slides across an ice covered lake for a fixed distance. Starting speed, finishing speed and time taken are measured.Which equation is best? A) $v=u+at$. B) $s=ut+\frac{1}{2}at^2$. C) $v^2=u^2+2as$. D) $s=\frac{1}{2}\left(u+v\right)t$. Show Answer Correct Answer: D) $s=\frac{1}{2}\left(u+v\right)t$. 8. An object is kicked at an angle with a velocity of 40 m/s. The initial horizontal velocity component is 25 m/s. What is the time it takes to reach the top of its arc?Solve the problem. A) 1.6 s. B) 2.55 s. C) 3.19 s. D) 4.08 s. E) 5.79 s. Show Answer Correct Answer: C) 3.19 s. 9. An engineer is designing the runway for an airport. Of the planes that will use the airport, the lowest acceleration rate is likely to be 5 m/s$^{2}$. The takeoff speed for this plane will be 50 m/s. All airplanes will start from rest. Assuming this minimum acceleration, what is the minimum allowed length for the runway? A) 5 m. B) 2500 m. C) 250 m. D) 1250 m. Show Answer Correct Answer: C) 250 m. 10. An object is falling under gravity with terminal velocity. What is happening to its speed? A) It is decreasing to a lower value. B) It is decreasing to zero. C) It is increasing. D) It is staying constant. Show Answer Correct Answer: D) It is staying constant. 11. A spool of thread has an average radius of 1.00 cm. If the spool contains 62.8 m of thread, about how many turns of thread are on the spool? "Average radius" allows us to not need to treat the layering of threads on lower layers. A) 100. B) 1000. C) 10, 000. D) 10. Show Answer Correct Answer: B) 1000. 12. An object is shot from the ground (at 25 m/s) at 25 degrees and 65 degrees. Which is in the air for longer? (assume no air resistance) A) 25 degrees. B) 65 degrees. C) Same for both. D) None of the above. Show Answer Correct Answer: B) 65 degrees. 13. A car traveling at a speed of 20.0 m/s increases its speed to 30.0 m/s in 5.0 seconds. What is the acceleration of the car? A) -2 m/s/s. B) 2 m/s/s. C) -0.5 m/s/s. D) 0.5 m/s/s. Show Answer Correct Answer: B) 2 m/s/s. 14. A ball is thrown upwards and caught when it comes back down. In the absence of air resistance, the speed of the ball when caught would be A) Less than the speed it had when thrown upwards. B) More than the speed it had when thrown upwards. C) The same as the speed it had when thrown upwards. D) None of the above. Show Answer Correct Answer: C) The same as the speed it had when thrown upwards. 15. A pumpkin is dropped from a 35 m building. What is its initial velocity (v$_{i}$)? A) 35 m. B) 0 m/s. C) All the above. D) None of the above. Show Answer Correct Answer: B) 0 m/s. 16. Which is not a scalar quantity? A) Velocity. B) Speed. C) Temperature. D) Time. Show Answer Correct Answer: A) Velocity. 17. Which of the following quantities is conserved in an isolated system undergoing rotational motion? A) Angular momentum. B) Angular velocity. C) Torque. D) Angular acceleration. Show Answer Correct Answer: A) Angular momentum. 18. You are standing 10 meters from your friend playing catch. If you throw the ball in such a way that it ends up taking 2.3s to reach your friend. Your friend is also conveniently catching the ball at the same height in which you threw it from. What is the initial velocity in the x direction, v$_{x0}$? A) 0.23m/s. B) 11.27m/s. C) 4.35m/s. D) 5.01m/s. Show Answer Correct Answer: C) 4.35m/s. 19. Compute the average angular acceleration and the angular displacement during the 5 seconds a rotating object speeds up from 0.25 rad/s to 0.85 rad/s. A) Accel = 0.12 rad/s$^{2}$; displ = 2.75 radians. B) Accel = 0.2 rad/s$^{2}$; displ = 0.5 radians. C) Accel = 0.12 rad/s$^{2}$; displ = 0.5 radians. D) Accel = 0.2 rad/s$^{2}$; displ = 2.75 radians. E) Accel = 0.35 rad/s$^{2}$; displ = 0.15 radians. Show Answer Correct Answer: A) Accel = 0.12 rad/s$^{2}$; displ = 2.75 radians. 20. A skier starting from rest skis straight down a slope 50 meters long in 5.0 seconds. What is the magnitude of the acceleration of the skier? What is the initial velocity of the skier in the above problem? A) 0 m/s. B) 50 m. C) 5.0 s. D) Unknown. Show Answer Correct Answer: A) 0 m/s. 21. A particle accelerates from rest at a uniform rate of 55 m/s$^{2}$ for a distance of 3 meters. How fast is the particle going at the 3 meter mark? A) 34.64 m/s. B) 11.55 m/s. C) 18.17 m/s. D) 0.33 m/s. E) 330 m/s. Show Answer Correct Answer: C) 18.17 m/s. 22. A fan blade, initially at rest, rotates with a constant acceleration of 0.025 rad/s$^{2}$. What is the time interval required for it to reach a 4.2 rad displacement after starting from rest A) 1.8 s. B) 2.0 s. C) 16 s. D) 18 s. Show Answer Correct Answer: D) 18 s. 23. What is the equation for average velocity? A) Average velocity = (final position + initial position) / (final time + initial time). B) Average velocity = (final position-initial position) / (final time-initial time). C) Average velocity = (final time-initial time) / (final position-initial position). D) Average velocity = (initial position-final position) / (initial time-final time). Show Answer Correct Answer: B) Average velocity = (final position-initial position) / (final time-initial time). 24. A hockey puck slides off the edge of a table with an initial velocity of 20.0 m/s. The height of the table above the ground is 2.0 m. What is the magnitude of the velocity of the puck just before it touches the ground? A) 21 m/s. B) 22 m/s. C) 24 m/s. D) 25 m/s. Show Answer Correct Answer: A) 21 m/s. 25. A car traveling at 22.4 m/s skids to a stop in 2.55 s. Determine the skidding distance of the car (assume uniform acceleration).What number represents time? A) T = 2.55s. B) T = 22.4m/s. C) T= 0m/s. D) T =?. Show Answer Correct Answer: A) T = 2.55s. ← PreviousNext →Related QuizzesClass 11 Physics (Part I) Chapter 2 Kinematics Quiz 1Class 11 Physics (Part I) Chapter 2 Kinematics Quiz 2Class 11 Physics (Part I) Chapter 2 Kinematics Quiz 3Class 11 Physics (Part I) Chapter 2 Kinematics Quiz 4Class 11 Physics (Part I) Chapter 2 Kinematics Quiz 5Class 11 Physics (Part I) Chapter 2 Kinematics Quiz 6Class 11 Physics (Part I) Chapter 2 Kinematics Quiz 7Class 11 Physics (Part I) Chapter 2 Kinematics Quiz 8Class 11 Physics (Part I) Chapter 2 Kinematics Quiz 9Class 11 Physics (Part I) Chapter 2 Kinematics Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books