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The simulation kept track of the variables and automatically recorded data on object displacement, velocity, and momentum. If the trials were run on a real track with real gliders, using stopwatches a
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When a clock reads 4.0 seconds a cart's velocity in the positive x direction is 6.0 m/s. when the clock reads 7.0 seconds, the cart's velocity in the positive x direction is 7.0 m/s. what is the magni
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I NEED THE LAB REPORT PLZ READ CAREFULLY AND WRITE THE LAB REPORT
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Now the table is tilted at an angle of θ = 75° with respect to the vertical. find the magnitude of the new acceleration of block 1.
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If the speed of sound in air is 340 m/s, what is. approximately the length of a shortest air column closed at one end that will respond to a tuning fork of frequency 195 hz? answer in units of cm.
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An airplane starts from rest and accelerates down a runway uniformly at a rate of 4m/s^2 for 36.4s until it takes off. How far did it travel before lifting off the ground ?
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A hot-air balloon is rising upward with a constant speed of 2.13 m/s. When the balloon is 9.12 m above the ground, the balloonist accidentally drops a compass over the side of the balloon. How much ti
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A motorcycle has a constant acceleration of 3.08 m/s2. Both the velocity and acceleration of the motorcycle point in the same direction. How much time is required for the motorcycle to change its spee
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If the number of troughs that pass a point in a given time increases, what has increased? A) wavelength B) frequency C) intensity D) amplitude
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Your father gained 30 n, which caused his chair to break. What was his new mass? How much force was acting on the chair? How much force was reacting
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A large atom decays and emits a particle. After the reaction is complete, the atom’s mass has changed substantially. What kind of particle has most likely been emitted? alpha particle beta particle
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A 15-g ball is shot from a spring gun whose spring has a force constant of 600N/m. The spring can be compressed 5 cm. How high can the ball be shot if the gun is aimed vertically? Use kinetic energy o
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A 15-g ball is shot from a spring gun whose spring has a force constant of 600N/m. The spring can be compressed 5 cm. How high can the ball be shot if the gun is aimed vertically? Use kinetic energy o
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The reason that you can find your way inside your home without the lights on is due to the fact you have a(n)___ map of your physical surroundings
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The 4.5-ft concrete post is reinforced with six steel bars, each with a 11 8-in. diameter. knowing that es 5 29 3 106 psi and ec 5 4.2 3 106 psi, determine the normal stresses in the steel and in the
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Consider two protons (charge +e), separated by a distance of 2.04 x 10-15 m. the electric force between these protons is equal in magnitude to the gravitational force on an object of what mass near th
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A box is on Venus. The box weighs 104 lb and is in free fall. How much force is the box exerting on Venus and in what direction?
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The man attempts to pull down the tree using the cable and small pulley arrangement shown. The tension in AB is 75 lb and γ = 34 ∘
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Two rollerbladers face each other and stand at rest on a flat parking lot. Tracey has a mass of 32 kg, and Jonas has a mass of 45 kg. When they push off against one another, Jonas acquires a speed of
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Your uncle works at the railroad freight yard, and he has asked you to watch the yard hands couple 20,000-kg boxcars together. As he leaves to get a sandwich, he tells you, "Whatever you do, don't let
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An iron wire has length 8 m and diameter 0.50 mm. The wire has resistance R. A second wire gas length 2 m and diameter 1mm. What is the resistance of the second wire
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Four students measured the acceleration of gravity. The accepted value for their location is 9.78 m/s2. Which student's measurement has the largest percent error?
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A group of students constructs an experiment testing the effects of force on an object. Some of these materials they use are items produced from nonrenewable resources. What is the wisest choice for d
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If the mass of a material is 49 grams and the volume of the material is 10 cm^3, what would the density of the material be?
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A charge of 1.5 × 1015 coulombs moves from point A to a lower potential at point B. The electric field is uniform at 2.5 × 10-5 newtons/coulomb and the distance along the field lines between the two
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A cat leaps to catch a bird. If the cat's jump was at 60.0° off the ground and its initial velocity was 2.74m/s what is the highest point of its trajectory?
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A car driving on the turnpike accelerates uniformly in the positive x direction from 90.0 ft/s (61.4 mph ) to 121 ft/s (82.5 mph ) in 3.60 s .
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Which of the following statements is true of patients right to have errors corrected in their medical records
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The infrared thermometer was an invention that was made possible by _____. 1a Canadian physician 2research related to space travel 3 collaboration between doctors and nurses 4the internet
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A 200kg communications satellite is placed into a circular orbit around earth with a radius of 4.23 x 10^7 m (26,300 miles). A) find the gravitational force on the satellite. B) use the equation for
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Name a Unique trait about each planet in our solar system (Earth, Jupiter, Mars, Mercury, Neptune, Saturn, Uranus, Venus)
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1. SR LatchConstruct the circuit below. Draw all of the timing diagrams that depict the relationship of S, R and Q. Determine the truth table of the circuit.S R Qn+10 00 11
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You have a tall, open container filled with glycerine. at what depth below the surface of the glycerine is the pressure 2.85 × 103 pa greater than atmospheric pressure? the density of glycerine is 1.
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(7.) when you add a dhcp reservation for a printer, what two components should you include in the reservation? (choose two answers.)
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What phase difference between two otherwise identical traveling waves, moving in the same direction along a stretched string, will result in the combined wave having an amplitude 1.75 times that of th
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What is v(s) - v(p), the potentital difference between point p and point s, located at (x,y) = (22.75 cm, -16.5 cm)?
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What is the change in the electron's kinetic energy, in kiloelectron volts, if it is accelerated over a distance of 0.325 m?
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Water drips from the nozzle of a shower onto the floor 208 cm below. the drops fall at regular (equal) intervals of time, the first drop striking the floor at the instant the fourth drop begins to fal
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Two successive reactions, d → e and e → f, have yields of 10.0% and 67.0%, respectively. what is the overall percent yield for conversion of d to f?
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The time t required for one complete oscillation of a mass m on a spring of force constant k is t=2πmk−−√ find the dimensions k must have for this equation to be dimen-sionally correct. the tim
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The repetitive waveforms for the current into, and the voltage across a load in fig. p3-9 are shown by linear segments. calculate the average power p into the load
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The molecular mass of methyl ethanoate is 75.1 amu . calculate the molecular mass of propanoic acid, an isomer of methyl ethanoate. express your answer with the appropriate units.
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The frame is acted upon by three forces as shown below. determine the equivalent forcecouple system at the base o.
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The acceleration of an object as a function of time is given by a(t) = (3.00 m/s2)t, where t is in seconds. if the object has a velocity 1.00 m/s at time t = 1.00 s, what is the displacement of the ob
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Starting from rest at the top, a child slides down the water slide at a swimming pool and enters the water at a final speed of 4.85 m/s. at what final speed would the child enter the water if the wate
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Reparametrize the curve with respect to arc length measured from the point where t = 0 in the direction of increasing t. (enter your answer in terms of s.) r(t) = 2t i + (8 − 3t) j + (7 + 4t) kquest
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In this problem, the fact that the length of the string does not change imposes a constraint on relative accelerations of the two blocks. find a relationship between the x component of the acceleratio
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In a local bar, a customer slides an empty beer mug down the counter for a refill. the height of the counter is 1.22 m. the mug slides off the counter and strikes the floor 1.40 m from the base of the
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If the electric field strength in air exceeds 3.0 ✕ 106 n/c, the air becomes a conductor. using this fact, determine the maximum amount of charge that can be carried by a metal sphere 3.5 m in radiu
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If a pitcher throws a 89 mph fastball, how much time elapses from when the ball leaves the pitcher's hand until the ball reaches the batter?
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