Instant velocity Study guides, Class notes & Summaries

aqa as physics – mechanics exam questions and answers Weight - Answer- Mass x Gravitational Field Strength Vector - Answer- A quantity with size and direction Scalor - Answer- A quantity with size only Newton's 2nd Law - Answer- Resultant Force = mass x acceleration Displacement - Answer- Position of an object relative to an origin Average Speed - Answer- Distance Travelled / Time taken Instantaneous Speed - Answer- distance travelled in an instant / time duration of an instant Aver...

aqa as physics – mechanics EXAM QUESTIONS AND CORRECT ANSWERS Weight - ANSWER- Mass x Gravitational Field Strength Vector - ANSWER- A quantity with size and direction Scalor - ANSWER- A quantity with size only Newton's 2nd Law - ANSWER- Resultant Force = mass x acceleration Displacement - ANSWER- Position of an object relative to an origin Average Speed - ANSWER- Distance Travelled / Time taken Instantaneous Speed - ANSWER- distance travelled in an instant / time durati...

AQA A level Physics Mechanics Exam || All Questions & Answers (100% Correct) AQA A level Physics Mechanics Exam || All Questions & Answers (100% Correct) Explain what is meant by an inelastic collision - ANSWER - where kinetic energy is not conserved State, in words, the relationship between the force acting on a body and the momentum of the body - ANSWER - Force is the rate of change of momentum State two quantities that are conserved in an elastic collision - ANSWER - -momentum -kin...

Comprehensive CRNA Interview Review Accurate responses are given. Comprehensive CRNA Interview Review Norepinephrine Mechanism of Action (MOA) A1, A2, B1 agonist. Primary agent used in distributive shock because it's ability to recruit venous volume and augment preload, while increasing arterial tone, and increasing cardiac output. Alpha one causing peripheral smooth muscle contraction. (low dose venous, high dose venous and arterial). Alpha 2 adrenoreceptor agonism actually ant...

Question 1 Correct 5.00 points out of 5.00 A 0.200 kg dart is fired horizontally at a speed of 2.75 m / s when it hits a 0.700 kg block ofwood suspended by a string. The nose of the dart sticks into 0.00210 m the wood. Together the dart and block swing upwards from a height of 0.0500 m above a table to 0.128 m above the table. Which of the following is the average force the dart applies to the block during impact? Select one: a. 32.4 N b. 15.1 N c. 1.36 N d. 0.872 N Straighterl...

Speed - correct answer-The rate of change of distance Velocity - correct answer-The rate of change of displacement Displacement (mechanics) - correct answer-The vector measurement of distance in a certain direction Vector Quantity - correct answer-Has both magnitude and direction Scalar Quantity - correct answer-Has only magnitude Average speed - correct answer-Calculated by dividing the total distance for a journey by the total time for the journey Instantaneous speed - correc...

In an isolated system two equal masses of the same geometry approach one another along the same line of action with equal but opposite velocity. The collision between them is perfectly INELASTIC. The linear momentum of the system BEFORE the collision equals - ANSWERzero True/ False Let us consider the floor to be zero level of gravitational potential energy. When the ball is fired, it has a non-zero potential energy with respect to the floor. -- Because the ball is above the floor, it DOES ...

▪ Displacement - AnsThe distance traveled in a particular direction - it is a vector with magnitude and direction. ▪ Instantaneous Speed - AnsThe rate of change of distance at a specific moment in time - change in distance divided by an infinitesimal interval of time. ▪ Average Speed - AnsThe rate of change of distance calculated over a complete journey ▪ Velocity - AnsA vector quantity equal to the rate of change of displacement. ▪ Average Velocity - AnsThe change in displaceme...

AP Physics Unit 1 Progress Check MCQ Rock X is released from rest at the top of a cliff that is on Earth. A short time later, Rock Y is released from rest from the same location as Rock X. Both rocks fall for several seconds before landing on the ground directly below the cliff. Frictional forces are considered to be negligible. Which of the following graphs best represents the vertical displacement of Rock X as a function of time starting from immediately after the rock is released from rest? T...