Master Physics with Fun Quizzes & Brain Teasers!

The following equation shows the position of a particle in time t, x=ati + btj where t is in second and x is in meter. A=2m/s, b=1m/s. Find A, the average velocity of the particle in the time interval t=2sec and t=3sec B, the velocity and acceleration at any time t. C, the average acceleration in the time interval given in part (a)
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letterA., please see attachment
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A vehicle of mass 2000 kg travels at a speed of 72 km/h. Determine your kinetic energy?
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How does mass change in life?
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a motorcycle travels 450 km in 5 hours. What is the average speed of this motorcycle?
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How do you calculate the resultant velocity of the object in this image?
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What is the kinetic energy of 0.01kg bullet traveling at a velocity of 700m/s ?
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Is constant velocity same as constant acceleration?
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A train accelerated from 20km/hr to 80km/hr in 4 minutes. How much distance doesit cover in this period? Assume that the tracks are straight?
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How can older adults avoid polypharmacy? what is the nurses role in preventing polypharmacy?.
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All 2023 ariya ac synchronous drive motors produce ____% torque at 0 mph for impressive off-the-line acceleration and smooth cruising.
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how does migration decrease the population.
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The solar mass of the Sun is 1. The orbital period of Jupiter is 11.9 Earth years.Based on Keplers work, which best describes the orbit of a planet around the Sun?a circle with the Sun at the very centeran ellipse with the Sun at the very centera circle with the Sun at one edgean ellipse with the Sun at one focus
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Which pair does NOT have an electric force between them?O a positive object and negative objectOtwo positive objectsO two neutral objectsOtwo negative objects
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20kVA, 300/240 V, 50Hz singal phase transformer has 80 turns on secondary winding. calculate number of primary winding turns, full load primary & secondary currents & maximum value of flux in the core.[tex] \\ \\ \\ \\ \\ \\ \\ \\ \\ [/tex]Thank uh !
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why am i so hard right now
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What are the available motor sizes for 2023 ariya ac synchronous drive motor systems in kw?.
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You are watching a television show about Navy pilots. The narrator says that when a Navy jet takes off, it accelerates because the engines are at full throttle and because there is a catapult that propels the jet forward. You begin to wonder how much force is supplied by the catapult. You look on the Web and find that the flight deck of an aircraft carrier is about 90.0 m long, that an F-14 has a mass of 22300 kg, that each of the two engines supplies 27000 lb of thrust, and that the takeoff speed of such a plane is about 169 mi/h. Estimate the average force on the jet due to the catapult. Please answer in kN
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Find the magnitude of the sum of these two vectors: B 101 m 60.0 85.0 m A
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An object of the same mass has three different weights at different times.
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An object of the same mass has three different weights at different times.
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it is not good to burn agricultural waste
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Engineers are using computer models to study train collisions to design safer train cars. They start by modeling an elastic collision between two train cars traveling towards each other. Car 1 is traveling north at 20 m/s and has a mass of 12,745 kg. Car 2 is traveling south at 15 m/s and has a mass of 4,125 kg. After the collision, car 1 has a final velocity of 3 m/s north. What is the final velocity of car 2?
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5. Which of the following factors is NOT an influence on reaction speed?A. Temperature of moleculesB. Color of the substanceC. Concentration of moleculesD. The presence of a catalyst
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