Please show all work and answer all completely, thank you. Jack and Jill ran up the...
Jack and Jill ran up the hill at 3.1 m/s. The horizontal component of Jill's velocity vector was 2.0 m/s. Part A What was the angle of the hill? Express your answer in degrees. O AQ R O 2 ? Submit Request Answer Part B What was the vertical component of Jill's velocity? Express your answer with the appropriate units. Ii ? uÅR 0,= Value O 2 Units Vy = Submit Request Answer A velocity vector 45 above the positive...
Q11.Velocity in XY-plane: Select any one of the options as answer When Jeff ran up a hill at velocity 1V1=7.0 m/s, the horizontal component of his velocity vector was (Vx)=5.1 m/s. What was the vertical component of Jeff's velocity (Vy)=? A) 4.8 m/s B) 4.3 m/s C) 3.8 m/s D) 3.4 m/s Q12.Velocity in XY-plane: Select any one of the options as answer When rolled down a mountainside at VI=7.0 m/s, the horizontal component of its velocity vector was (Vx)=1.8...
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SHORT ANSWER # 27: Draw a full mechanism for the following transformation and predict the product. Show all the elementary step(s) being sure to include all arrows, important electron pairs and any formal charges if needed. (8 points) H H+ HO hemiacetal product
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SHORT ANSWER # 28: Draw a full mechanism for the following transformation Aldol condensation reaction and predict the product. Show all the elementary step(s) being sure to include all arrows, important electron pairs and any formal charges if needed. (8 points) O NaOH, H2O heat Aldol condensation product H
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5) If a ball is thrown with a velocity of 25 m/s at an angle of 37° above the horizontal, what is vertica componentof the velocity? A) 12 m/s B) 15 m/s C) 19 m/s D) 25 m/s
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Problem 1: The velocity of a particle traveling in a straight line is given by v- (6t 3t) m/s, where t is in seconds. If x-0 when t = 0, (a) determine the particle's deceleration and position when t = 3s. b) How far has the particle traveled during the 3-s time interval, and what is its average speed?
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by what traction of its kinetic energy is rotational? Problem 6: Stoplight A 21 kg stoplight hangs at the end of a 6.0-m-long aluminum beam AB, which has a mass of 12 kg. DAB 3.00 m a) What is the tension in the horizontal massless cable CD? b) What are the vertical and horizontal components of the force exerted by pivot A on the aluminum beam?
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6) A butterfly moves with a speed of 12.0 m/s. The x component of its velocity is 8.00 m/s. The angle between the direction of its motion and the x axis must be A) 30.0°. B) 41.8° C) 48.2°. D) 53.0°
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10) A projectile is launched with an initial velocity of 60.0 m/s at an angle of 30.0° above the horizontal. How far does it travel? A) 152 m B) 160 m C) 184 m D) 318 m D) 318 m