Magnitude and direction Study guides, Revision notes & Summaries

Position Correct Answer-Where the object is located Velocity and speed Correct Answer-How fast the object is going Velocity includes the magnitude and direction Speed is like mph, etc. Acceleration Correct Answer-The rate at which the velocity is changing, or any change in velocity (increase in speed, decrease in speed, or change in direction) Force and Net Force Correct Answer-Force = a push or pull on an object Net Force = Overall force; the sum of all the forces acting on an ...

AP Physics Final Exam Quiz Bank | Questions and Verified Answers | Grade A (2023/ 2024 New Update) Q: A 50. kg girl on ice skates, initially at rest, pushes against a wall, extending her arms 0.25m for 0.10s causing her to accelerate. Find the magnitude of the force applied by the girl to the wall. Answer: 2500 N Fg=ma x= (1/2) a t2 + v0t a = 2 x / t2 a = 2*0.25 / 0.12= 50 m/s2 Fg=ma = 50 kg * 50 m/s2 = 2500N Third Law Fg=Fw=2500N Q: Assume an astronaut, including his spac...

Vector - correct answer A quantity that involves both magnitude and direction Scalar - correct answer A quantity that does not involve direction; Only has magnitude Magnitude of a Vector - correct answer |A| or ||A||=√((Ax)^2+(Ay)^2) Angle or Direction of a vector - correct answer θ=tan⁻¹(Ay/Ax) Dot product - correct answer The multiplication of two vectors which results in a scalar. A·B=|A||B|cosθ=AxBx+AyBy Cross product - correct answer The multiplication of two vectors ...

SPCE 630 FINAL EXAM PREPARATION QUESTIONS AND ANSWERS 2024 GRADED A+. 2 / 30 1. visual analysis of graphed data: is the cornerstone of and most frequently used data analysis method in SCD research, particularly for determining whether a study demonstrates experimental control. involves systematic procedures used to evaluate specific characteristics of data patterns and evaluate the presence of a functional relation. 2. advantages of visual analysis: -can be used to evaluate data of indiv...

When imaging a geriatric patient, while performing a PCA MRA sequence, what imaging parameter might the operator adjust? A. Field of view B. Presaturation band location C. Slice thickness D. VENC E. Contrast injection rate - Answer- VENC As the number of phase encodings is increased from 256 to 512, SNR (signal to noise ratio): A. Increases B. Decreases C. Doubles D. Does not change E. Quadruples - Answer- Decreases A magnetic vector possesses attributes of both _______...

SPCE 630 Final EXAM LATEST ACTUAL EXAM 55 QUESTIONS AND CORRECT ANSWERS (VERIFIED ANSWERS) |ALREADY GRADED A+ All phases should be long enough to ensure that successive changes in a therapeutic direction are not naturally occurring and due to historical, matrimonial or measurement issues - CORRECT ANSWER All phases should be long enough to ensure that successive changes in a therapeutic direction are not naturally occurring and due to historical, matrimonial or measurement iss...

VR - ANSWER Equal to R/r and D/d Load /Effort - ANSWER Equal to R/r Scalar - ANSWER A physical quantity that has magnitude but no direction Vector - ANSWER A quantity that has magnitude and direction Space Diagram - ANSWER Illustrates a system of vectors Co-planar Vectors - ANSWER Vectors that are all in the same plane Concurrent Vectors - ANSWER Vectors whose lines of action meet at one point Resultant - ANSWER A vector that represents the sum of two or more vectors Abso...

ARRT MRI Mock Registry Questions and Answers (2022/2023) Already Graded A When imaging a geriatric patient, while performing a PCA MRA sequence, what imaging parameter might the operator adjust? A. Field of view B. Presaturation band location C. Slice thickness D. VENC E. Contrast injection rate VENC As the number of phase encodings is increased from 256 to 512, SNR (signal to noise ratio): A. Increases B. Decreases C. Doubles D. Does not change E. Quadruples Decreases A magnetic vect...

PLTW Principles of Engineering Latest Updated Graded A+ 1st class lever fulcrum in the middle; see-saw, hammer, scissors 2nd class lever fulcrum at the end, load in the middle; wheel barrow, car-jack 3rd class lever fulcrum at the end, effort in the middle; tweezers, baseball bat 5 Recycling & Material categories -Organics -Metals -Polymers -Ceramics -Composites 6 Types of Simple Machines -Inclined plane -Lever -Pulley -Screw -Wedge -Wheel and Axle Absolute pr...

NIFE Aero Latest Version with Certified Solutions Define Vector A quantity that expresses both magnitude and direction. A vector quantity is represented by an arrow that displays direction and has a length proportional to magnitude Moment Force applied at some distance from an axis or fulcrum F x d (Distance: from the point of rotation that is perpendicular to force, "moment arm") Equilibrium Flight When the sum of all FORCE and all MOMENTS around the COG are equal to zero ...