Physics, 26.03.2020 05:26 ramirezdolores
(NEED IMMEDIATE HELP/OFFERING 20 POINTS) You use a wedge that has a width of 1.1 in and a slope length of 3.3 in. What is the mechanical advantage of this wedge?
A. 2.2
B. 3
C. 4.5
D. 0.33
Answers: 3
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The energy of a photon was found to be 3.38 × 10–19 j. planck’s constant is 6.63 × 10–34 j • s. which color of light corresponds to this photon?
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Give one example to show that when substances are mixed,it may result in a chemical or a physical change depending on the conditions.
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Abasketball star covers 2.65 m horizontally in a jump to dunk the ball. his motion through space can be modeled precisely as that of a particle at his center of mass. his center of mass is at elevation 1.02 m when he leaves the floor. it reaches a maximum height of 1.90 m above the floor and is at elevation 0.910 m when he touches down again. (a) determine his time of flight (his "hang time"). (b) determine his horizontal velocity at the instant of takeoff. (c) determine his vertical velocity at the instant of takeoff. (d) determine his takeoff angle. (e) for comparison, determine the hang time of a whitetail deer making a jump with center-of-mass elevations yi = 1.20 m, ymax = 2.45 m, and yf = 0.750 m.
Answers: 1
(NEED IMMEDIATE HELP/OFFERING 20 POINTS) You use a wedge that has a width of 1.1 in and a slope leng...
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