Elastic collision Study guides, Revision notes & Summaries

What equation can be used to directly calculate an object's momentum, ρ? CORRECT ANSWER ρ = mv What are the SI units for momentum? CORRECT ANSWER Kg x m/s What equation can be used to directly calculate the change in an object's momentum? CORRECT ANSWER ∆P = mvf - mvi ΔP = FΔt Example of something going through a significant change in Momentum CORRECT ANSWER Someone running into a brick wall The impulse experienced by a body is equivalent to the body's change in what? CORRE...

Edexcel IGCSE Physics, question and answer average speed = distance / time v = d / t Standard Unit for mass (m) kilogram (kg) Standard Unit for distance (d) or displacement (s) metre (m) Standard Unit for speed (s) or velocity (v) metre/second (m/s) Standard Unit for acceleration (a) metre/second² (m/s²) Standard Unit for Force (F) Newton (N) Standard Unit for time (t) Second (s) Standard Unit for gravitational field strength (g) ...

AP Physics 1 Unit 5 Progress Check A&B Questions (Answered Correctly) AP Physics 1 Unit 5 Progress Check A Block X and block Y are tied together by a rope. The system containing block X and block Y is released from rest on a ramp, as shown in the figure. Block Y has a smaller mass than block X. Which of the following claims is correct regarding the momentum of the system containing only block X and the system that contains block X and block Y? An experiment is conducted in which a cart ...

Technician A says suspension systems must tolerate huge amounts of force when the car is driven. Technician B says these forces occur when cornering, stopping, and accelerating. Who is correct? a. Technician A b. Technician B c. Both Technician A and Technician B d. Neither Technician A nor Technician B - ANSWER-c. Both Technician A and Technician B Technician A says the two main types of auto body construction are full-frame and unibody. Technician B says a common type of full...

1. An alert 18 year old female is found trapped in her car after a single motor vehicle crash. The air bag deployed and she denies any head or neck pain, but she complains of hip and left leg pain. When she is finally extricated from the car, her vital signs begin to collapse. What shock is she transitioning from? A. neurogenic shock to hypovolemic shock. B. decompensated shock to compensated shock. C. compensated shock to decompensated shock. D. decompensated shock to hypovolemic shock. ...

Straighterline PHY 250 Exam Questions and Answers - Latest 2023/2024 (GRADED) Would an object precess faster if it had more angular momentum? Select one: a. Yes, because the change in angular momentum depends on its magnitude b. Yes, because the energy of the system has increased c. No, because precession only depends on the amount of applied gravitational force d. No, because the angular velocity of precession is inversely proportional to the magnitude of the gyroscope’s angular momentu...

AP Physics 1 Unit 5 Progress Check A&B Questions (Answered Correctly) AP Physics 1 Unit 5 Progress Check A Block X and block Y are tied together by a rope. The system containing block X and block Y is released from rest on a ramp, as shown in the figure. Block Y has a smaller mass than block X. Which of the following claims is correct regarding the momentum of the system containing only block X and the system that contains block X and block Y? An experiment is conducted in which a cart travels a...

Physics MCQ Key - Questions and Answers (Complete Solutions) A ball of mass 0.4 kg is initially at rest on the ground. It is kicked and leaves the kicker's foot with a speed of 5.0 m/s in a direction 60° above the horizontal. The magnitude of the impulse imparted by the ball to the foot is most nearly 2 N*s A force of constant magnitude F and fixed direction acts on an object of mass m that is initially at rest. If the force acts for a time interval Δt over a displacement Δx , what is the ...

NR 509 Final Exam Questions with Answers and Rationale 2022/2023 A young man feels something in his scrotum and comes to you for clarification. On your examination, you note what feels like a "bag of worms" in the left scrotum, superior to the testicles. Which of the following is most likely? A) Hydrocele of the spermatic cord B) Varicocele C) Testicular carcinoma D) A normal vas deferens Varicocle Varicoceles are common in normal men. They are often found in the left scrotum or bilate...

AP Physics 1 Unit 5 Progress Check A&B Questions (Answered Correctly) AP Physics 1 Unit 5 Progress Check A Block X and block Y are tied together by a rope. The system containing block X and block Y is released from rest on a ramp, as shown in the figure. Block Y has a smaller mass than block X. Which of the following claims is correct regarding the momentum of the system containing only block X and the system that contains block X and block Y? An experiment is conducted in which a cart travels a...