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est particle of soil - Googie x Farris Rafiques Quiz History: Ho x G work equation - Google S e.com/courses/162718/quizzes/144982/history2version-1 Question 7 0/0.2 pts How much work in joules was done to increase the velocity of a 3 kg ball from 7 m/s to 18 m/s? HINT: Use the Work-Kinetic Energy Theorem formula Wnet KEy - KE 137.5 0/0.08 pts rect Question 8 Complete the following statements by choosing the correct answer from the
oog ×: G smallest particle of soil. Google 。Farris Rafiques QuzHstory:He × G work equation. Google Search x X onroeisd.instructure.com/courses/162718/quizzes/144982/history?version-1 0/0.08 pts First The diagram above is a frictionless roller coaster. If a 100 kg car were released from rest at the top of the first hill, its speed at point A would bem/s. (h 20 meters) HINT: Think about conservation of mechanical energy 19.81 0.2/0.2 pts Questio 14 A machine does 353 J of work in 16 seconds. Calculate power in watts search
oogG smallest particle of soil-Googlex 0Farris Rafiques Quiz Historys Hor X G work equation-Google Search conroeisd.instructure.com/courses/162718/quizzes/144982/history2version-1 Question 20 0/0.2 pts At the Houston Museum of Natural Science, a 50 kg pendulum is released from rest at its starting point 1.7 m above the ground. A short time later, it is 0.6 m above the ground. How fast in m/s is the pendulum traveling at this instant? (Assume there is no energy lost due to friction) 9.81 HINT Use d。Conservation of Energy Eaation ME, = ME, Think of the wealME as the highest point with PEgj and the final with PEr KE. And then solve for v 28592 to search
G smallest particle of soil-Google O Farris Rafiques Quiz History: Ho × G work equation-Google Search x X nstructure.com/courses/162718/quizzes/144982/history?version-1 0/0.2 pts Iincorrect Question 22 An object is lifted vertically 3.4 m and held there. If the object weighs 15.6 N, how much work in joules was done lifting it? HINT: Plug and chug Use the Work equation 46.8 Incorrect Question 23 0/0.08 pts Horizontal
G smallest particle of soil -Googlex Farris Rafiques Quiz Historys Hor x G work equation - Google Searchx tructure.com/courses/162718/quizzes/144982/history?version- 1 ncorrect Question 29 0/0.5 pts H2 Hi 3.13 A 7.9 kg box is held against a spring which is compressed 1.3 m as shown on top of an incline which is 4.2 m (H1). Find the minimum spring constant k (N/m) so that the box just makes it to the top of the 11.1 m (H2) high second incline. All surfaces are frictionless except the crosshatched surface where d 13.7 m and 1 -0.2 and the incline where H2-04 9-9.81 HINT: Use the Conservation of Energy Equation ME ME Think of the initial ME as gravitational potential energy plus elastic potential energy And then subtract the work lost due to friction on the flat surface. And then subtract the work lost due to friction on the incline plane. Next. set this initigLME equal to final ME which is all eravitational potential at the stopping point Finally. solve for k 1286.1977
Goog | G smallest particle of soil-Googl. x Far Raiques Quiz History Ho X Gwork equation - Google Search >< //conroeisd.instructure.com/courses/162718/quizzes/144982/history/version- 1 Question 30 0/0.5 pts initial velocity 36 87 A 3 kg block, whose initial speed is 53 m/s, slides across a frictionless floor and then up a 36.87, incline with friction where μ-02. How fast (m/s) is the block moving when it is 9 m up (along) the plane? 9-9.81 HINT: Use the Conservation of Energy Equation ME MEr Think of the initial ME as initial kinetic energy (with an initial velocity). And then subtract the Work lost due to friction due to the surface of the incline plane. Set this initial ME equal to the final ME. The final ME is gravitational potential energy plus firal kinetic energy (with an unknown final velocity). Finally, solve for final velocity 63.33 e圈曲芯廁 e to search
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