Basic Physics Questions and Answers

The proper term for stylistic choices a director tends to employ consistently throughout a certain film or over their body of work is Osalient techniques O technical motifs cinematic patterns

erences This question has multiple parts Work all the parts to get the most points In the opening scenes of the movie Raiders of the Lost Ark Indiana Jones tries to remove a gold idol from a booby trapped pedestal He replaces the idol with a bag of sand of approximately equal volume Density of gold 19 32 g cm density of sand 2 g cm a Did he have a reasonable chance of not activating the mass sensitive booby trap yes no Submit

Electrons are ejected from a metallic object when it is frequency greater than 1 08 10 15 Hz Note h 6 63 x 10 14 J s What is the element within the metallic object Element Calcium Magnesium Aluminum Silver Zinc Copper magnesium aluminum Ozinc copper Work Function eV 3 00 3 70 4 30 4 32 4 47 4 70 calcium

O newton kg m sec O m sec2 18 When two forces act on an object in the same direction the resultant 3 points force is equal to the sum of the forces the difference of the forces O the product of the forces the ratio of the forces

30 What type of simple machine is being used to raise the box O pulley O lever O wedge O inclined plane

side of subs the products must weigh more than the reactants ces on either REACTANTS PRODUCTS energy is neither absorbed nor released by the reaction the substances on either side of the equation must be the same the number of atoms on either side of the equation must be the same 3 points 5 The total number of atoms in one molecule of the compound below is 3 points

Add and using Mayan notation Write your answers as simply as possible Choose the correct sum below SOA B www O C O D

4 A baseball is hit horizontally It leaves the bat with a speed of 40 m s The batter hit the ball at a height of 1 m above the ground What distance does it travel before it hits the ground 5 A car traveling at 24 5 m s runs over a cliff and lands 41 m away from the base How high is the cliff

If we model the vocal tract as a tube which is closed at one end and is open at the other end and has a length of 16 cm calculate the formant fundamental resonant frequency Fr given a velocity of sound c 344 m s Hint Which equation will you use to calculate this Here is a calculator you can use to determine the answer https www online calculator com a 5 38 Hz Ob 21 5 Hz O c 538 Hz d 2150

In general what beliefs are held by most right wing voters Select three correct options O Federal regulation can protect the environment and citizens from corporate greed The government needs to have a broad role within society The nation requires a powerful military to provide a strong defense The government should be limited in its activities Unemployment benefits Social Security and food benefits have helped improve society Voters are conservative minded in tradition and values

Problem 17 Please Show Work 20 points A 0 700 cm diameter plastic sphere used in a static electricity demonstration has a uniformly distributed 40 0 pC charge on its surface What is the potential near its surface

Which of the following velocity of a sports car population of Chicago displacement of aboat dock relative to your house wind velocity U weight of a sports car

Exercise 12 14 Show that the condition pRQ p p is also sufficient to be able to correct errors on the subsystem Q

12 Under what condition is average velocity equal to the average of the object s initial and final velocity O This can only occur if there is no acceleration The acceleration must be constantly decreasing The acceleration must be constantly increasing This can occur only when the velocity is zero The acceleration is constant

Diagram right and slowing down to a stop at a stop sign a b C d t 0 sec t 2 sec t 0 sec a O b best matches the motion diagram of a car traveling to the C P t 4 sec a a t 4 sec t 2 sec a t 2 sec t 4 sec t 4 sec t 2 sec t 0 soc t 0 sec

The threshold of human hearing is 1 x10 W m What is the sound intensity of a jet flying over at distance of 300 m with a sound intensity of 1 x10 W m 1 Point 10 000 000 000 dB 100 dB 0 dB 10 dB

1 Which statement about wave characteristics is true 1 Point Wavelength is the maximum distance a vibrating particle moves from its equilibrium point The phase shift is the distance between two similar points in successive identical cycles in a wave Wave characteristics are based on both wave shape and the behaviour of a wave in time Frequency refers to the amount that one waveform is displaced along the x axis from an otherwise identical wa form

Type the correct answer in the box Use numerals Instead of words Anne has a sample of a substance Its volume is 20 cm and Its mass is 100 grams What is the sample s density The sample s density is g cm

Scientists have found that the long slow moan produced by blue whales is almost consistently a B pitch at a frequency of 16 0 Hz The wavelength of this note is 97 5 m How long would it take for this sound from a blue whale to travel to a team of scientists that is tracking them from 11 km away 1 Point 7 1 s 140 s 17 000 000 s

11 Which of the following materials is most efficient at transferring vibrations 1 Point steel rod pillow air

12 Which statement s about mechanical waves is are true 1 Point Mechanical waves in less rigid materials last longer than in rigid materials Mechanical waves in rigid materials go farther than in less rigid media Mechanical waves in rigid materials are slower than in less rigid materials Rigidity of the material does not affect the speed of a mechanical wave

Which of the following explains why sound is quieter from a further distance 1 Point As the sound travels a longer distance it gets dampened because air does not transmit waves very effi ciently As you increase the distance from the source of the sound more of the sound wave ends up being re flected in different directions causing it to lose energy At farther distances sound waves interfere with other mechanical waves and lose energy As you increase the distance from the source of the sound the area in which the sound wave covers in creases and the energy is spread out more

A pendulum moves so that a swing in one direction corresponds with 1 s What is the frequency of the pendulum 1 Point 1 Hz 0 25 Hz 2 Hz 0 5 Hz

A wave has a frequency of 355 Hz and a wavelength of 4 0 m What is its speed 1 Point 1400 m s 360 m s 350 m s 89 m s

An artificial satellite circling the Earth completes each orbit in 109 minutes The radius of the Earth is 6 38 x 106 m The mass of the Earth is 5 98 x 1024 k a Find the altitude of the satellite m b What is the value of g at the location of this satellite m s

Consider a region of electric field as shown in the figure Work done by electric field in slowly moving a proton from point B to point A will be VA 10 V VB 20 V A B d 1 m 1 6 10 18 J 1 6 10 18 J 1 6 10 19 J 1 6 10 19 J

3 Which statement s about vibrations is are true 1 Point A vibration is a cyclical motion of an object about an equilibrium point All vibrations need a medium to transfer waves The particles of an elastic medium return to their original location after a wave passes through all of the above

Three charges will be moved from an infinite distance to the corners of a square as shown The square has sides d 0 2 m W C How much work is required to move the first charge charge A 60 mC from an infinite distance to its location W Joules W A How much work is required to move the second charge charge B 70 mC from an infinite distance to its location 0 2 meters away from charge A d Joules How much work is required to move the third charge charge C 50 mC from an infinite distance to its location 0 2 meters away from charge B Joules B lour What is the total Potential Energy preserved by the system of point charges

A rock sinks straight down from the surface of a pond starting from rest and accelerating at an average rate of 2 m s for the first 3 seconds of its motion At the 3 second mark the rock reaches its terminal speed and continues at that same speed for the remaining 30 meters of motion Which one of the following is closest to the total time it takes for the rock to sink from the surface to the bottom of the lake Elimination Tool Select one answer A B C D 5 0 seconds 6 2 seconds 8 0 seconds 8 5 seconds

What is the approximate speed of sound in the air at a temperature of 27 0 C 1 Point 315 m s 348 m s 358 m s 304 m s

Arnold decides to become a Boy Scout but first he must find the porta potty To prove his worth the other scouts give Arnold a map that leads him to it It tells him to walk 850 m in a direction 45 degrees North of East and then 725 m in a direction 60 degrees North of East to reach the porta potty How far is Arnold from the porta potty In what direction 1 217 8 m 37 3 degrees 1 362 6 m 43 1 degrees 1 561 6 m 51 9 degrees 927 m 92 6 degrees

A car initially traveling at 27 1 m s undergoes a constant negative acceleration of magnitude 1 50 m s after its brakes are applied a How many revolutions does each tire make before the car comes to a stop assuming the car does not skid and the tires have radii of 0 330 m 118 06 rev b What is the angular speed of the wheels when the car has traveled half the total distance rad s

Patient Jane Doe visited the doctor s office on January 2 March 15 April 22 and May 20 How many encounters will this patient have in her EMR a 1 b 2 c 3 d 4

A buoy starts at a height of 0 in relation to sea level and then goes up Its maximum displacement in either direction is feet and the time it takes to go from its highest point to its lowest point is 4 seconds Which of the following equations be used to model h the height in feet of the buoy in relation to sea level as a function of time t in seconds 3 Oh 4sin Oh 4sin sin 4 0 h 6s Oh 6sin

In any region if electric field is defined as 1 2 k V m then the potential difference between two points A 0 0 0 and B 2 3 4 in that region is O 6 V O 12 V O 8 V O 9 V

A satellite has a mass of 110 kg and is located at 2 01 x 106 m above the surface of Earth a What is the potential energy associated with the satellite at this location J b What is the magnitude of the gravitational force on the satellite

How long does it take Brooke to move Mayra s box of red vines 20 m 21 9 s 16 4 s 3 6 s 10 7 s

A truck accelerates from rest to a speed of 10 0 m s in 5 00 seconds at a uniform rate How far has it traveled during the 5 00 seconds Elimination Tool Select one answer A 2 00 m B 10 0 m C 25 0 m D 50 0 m

Which one of the following choices means that the software and data aren t stored on your own computer system a Encounter b HL7 c Cloud based d ISO

Giving incentives to providers who adopted meaningful use was one way that O a the government required installation of EMRs b physicians were encouraged not to use abbreviations c the CMS encouraged installation of EMRs d patients were provided reimbursement discounts

With her stimulus check Caroline decides to buy a Lamborghini Centenario Which has an acceleration of 9 9 m s 2 Caroline is driving on the 210 freeway at 65 mph 29 m s when a Brian pulls alongside her in his Camaro wanting to race Which makes Caroline laugh as she accelerates her Lamborghini to 217 mph 97 m s leaving Brian in her dust How far did Caroline s Lamborghini travel 354 9 m 432 7 m 19 3 m 101 6 m

Rachel throws a football with a speed 21 m s at an angle 45 degrees above the horizontal towards Lisa How far does Lisa need to be to catch the football 45 m 12 m 32 m 77 m

Use a graphing utility to graph the function and bounding curves for t 0 d 4e 0 25t sin 2 5t Select one O a O b C d 5 4 3 2 1 1 2 1 3 4 4 327 2 1 1 2 3 4 5 2 3 5fx 3 2 1 1 2 3 4 5 2 H 3 4 3 2 1 1 23 4 2 3 4 5 3 6 7 8 9 10 x 5 6 7 8 9 10 x

solid object is made of two materials one material having density of 2 000 kg m and the other having density of 6 000 kg m the object contains equal volumes of the materials what is its average density

What s one benefit of today s EMR systems a They re now relatively inexpensive to install Ob They automate reimbursement from third party payers c One system can meet a patient s needs across many different faciliti d Every EMR is the same across all organizations

Click to read Mus e des Beaux Arts by W H Auden Then answer the question Though they address the same subject how are Brueghel s painting of Icarus and Auden s poem Musee des Beaux Arts different OA One indicates the setting of the story the other does not B Each gives the story a different ending C One shows Icarus s point of view the other does not D Each uses a different medium to convey the story

An electron experiences a force of 1 6 x 10 16 N left from an electric field The electric field is A B C D E 1 6 x 103 N C 1 0 x 103 N C left 1 0 x 103 N C right 1 0 N right none of these

What s a valid concern when using a paper based medical record O a Paper medical records are more available than EMRs b Only one healthcare professional can use a paper medical record at a time c Paper medical records aren t legal documents d Abbreviations aren t allowed in paper records

Which one of the following choices is put in place to control who can change patient information in an EMR and when it can be changed a Training b Protocols c Encounters d Clinical decision support system

Which one of the following elements is a valid way of searching for a patient in a system to access a patient s EMR a Diagnosis b Physician c Date of birth d Co pay amount