Inertial frame - Study guides, Revision notes & Summaries

A projectile is launched at 20m/s at 60 degree angle from the horizontal. How much time does it take for the projectile to land, assuming it lands on ground that is level with the launch site? - 3.6s Which of the following is not a unit of the metric system or Systeme International? - Yard A snow skier is at the top of a mountain trying to decide which ski run to take since they all have different slopes. He wants to slide down with a constant speed. If the coefficient of kinetic friction b...

TCFP Firefighter I and II Exam Questions With Answers Latest Updated 2024 (GRADED A+) A dry hydrant provides access to a: Select one: A. static water source. B. portable water tank. C. municipal water system. D. cistern or well. - A. static water source. An object in motion possesses which kind of energy as a result of that motion? Select one: A. Entropic B. Inertial C. Kinetic D. Potential - C. Kinetic Fire fighters may need to hold on to the ________ while filling a self-expanding ...

Edelman SPI review questions & Answers 2023. ______ is the distance covered by one cycle. a) pulse length b) wavelength c) cycle distance d) cycle duration ______ is the time to complete one cycle a) pulse duration b) pulse period c) period d) duration period ________ is a redirection of an ultrasound bean in many directions as a result of a rough boundary between two media: a) refraction b) Rayleigh Scattering c) scattering d) reflection _________ resolution is...

Two inertial observers are moving with relative speed v. An observer, O, measures the speed of an object in her reference frame to be u and notes O’s speed to be v. What is the speed of the object in the prime inertial frame according to O? Select one: a. b. c. d. If the radius of a pipe carrying water is doubled, the volume flow rate of the water____________. Select one: a. remains the same b. is quartered c. is halved d. is quadrupled Bernoulli’s equation does not include the ...

Question 1 Correct 6.00 points out of 6.00 The main pipe coming into a factory is 8 m in diameter, and the water in that pipe enters the building at 1 m / s. Once inside, however, the pipe divides into four pipes that are each4 m in diameter. Which of the following is the velocity of the water in the smaller pipes? Select one: a. 2 m / s b. 4 m / s c. 0.25 m / s d. The velocity in the smaller pipes is the same as the velocity in the larger pipe. Question 2 Correct 6...

A dry hydrant provides access to a: Select one: A. static water source. B. portable water tank. C. municipal water system. D. cistern or well. - correct answer -A. static water source. An object in motion possesses which kind of energy as a result of that motion? Select one: A. Entropic B. Inertial C. Kinetic D. Potential - correct answer -C. Kinetic Fire fighters may need to hold on to the ________ while filling a self-expanding portable tank. Select one: A. collar B. rope C...

2023 AQA A Level PHYSICS (7408/3BD) Paper 3 Section B Turning points in physics Question Paper & Mark scheme (Merged) June 2023 [VERIFIED] Explain how the electrons that form the beam are emitted. [1 mark] 0 1 . 2 Show that the maximum speed of the electrons in the beam is about 1.3 × 107 m s −1 . [1 mark] Do Do not not write outside the box 3 0 1 . 3 A student suggests that the apparatus can be used to demonstrate the wave properties of electrons in the beam, provided that the...

STRAIGHTER LINE PHYSICS 250 MIDTERM EXAM STRAIGHTER LINE PHYSICS 250 MIDTERM EXAM WITH GUARANTEED ACCURATE ANSWERS A projectile is launched at 20m/s at 60 degree angle from the horizontal. How much time does it take for the projectile to land, assuming it lands on ground that is level with the launch site? - Accurate Answer3.6s. Which of the following is not a unit of the metric ststem or Systeme International? - Accurate AnswerYard. A snow skier is at the top of a mountain trying t...

CLASSICAL MECHANICS correct and verified answers(graded A+} real What is friction? - correct answer-Friction works to oppose motion between surfaces, up to some maximum opposing force. - works AGAINST us e.g. wear and tear - works FOR us e.g. keeps car on road -An object will remain in constant motion unless a resultant force acts on it - 1st law=law of inertia - it is not always valid. When it is valid, it is called an inertial reference frame e.g. A plane travels at a constant s...

Why was the hypothesis of Luminiferous Aether introduced? - The Hypothesis of Luminiferous Aether was introduced to answer the question; "when light moves through a vacuum what is it that oscillates"? Since it was known that when acoustic waves move through a medium the wave is really the propagating disturbance of the medium whose particles ossicles as the wave moves. Therefore since physicists could not conceive of light waves propagating without a physical medium to do so, it was ...