In each of Problems 1-10, a position vector for a curve is given. Determine the velocity, speed, acceleration, cur- vature, and the tangential and normal components of the acceleration.
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A: c.
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- When the motorcyclist is at A, he increases his speed along the vertical circular path at the rate of v (0.3t) ft/s², where t is in seconds. Take p = 350 ft. (Figure 1) Figure 60° p 1 of 1 Part A If he starts from rest at A, determine the magnitude of his velocity when he reaches B. Express your answer to three significant figures and include the appropriate units. V = Part B _O Submit a = Value μA 7 Request Answer If he starts from rest at A, determine the magnitude of his acceleration when he reaches B. Express your answer to three significant figures and include the appropriate units. Submit μA Value Units Request Answer ? Units ?A car initially traveling eastward turns north by traveling in a circular path at uniform speed as shown in the figure below. The length of the arc ABC is 247 m, and the car completes the turn in 33.0 s. Need the answer for C in degree format not coordinates An x y coordinate axis is shown. Point A is located at a negative value on the y-axis, and an arrow points from point A to the right. A dotted line curves up and to the right in a quarter circle until it reaches point C on the positive x-axis. An arrow points directly upward from point C. Point B is on the dotted circle. A line drawn from the origin to point B makes an angle of 35.0° below the x-axis. (a) Determine the car's speed. ___________ (b) What is the magnitude and direction of the acceleration when the car is at point B? magnitude ___________ m/s2 direction _______________ ° counterclockwise from the +x-axisPhysics- VectorsSee attached picture for the question.
- Need help figuring out: Using the standard cartesian coordinate system, which of the following vectors have a NEGATIVE X-COMPONENT? Choose all that do.Problem 8: Consider two vectors A and B, expressed in unit vector notation as A= aji+ azj and B = bji+ bzj. A. Part (a) Enter an expression for the vector sum A + B in terms of quantities shown in the expressions above. A+B = B 7 8 HOME a i j k 4 5 6 a1 a2 bị 1 2 3 b2 d + END - h VO BACKSPACE CLEAR m DEL Submit Hint Feedback I give up! Hints: 0% deduction per hint. Hints remaining: 2 Feedback: 0% deduction per feedback. Part (b) Enter an expression for the difference vector A - B in terms of quantities shown in the expressions above. Part (c) Enter an expression for the square of the magnitude of the sum vector |A + B| in terms of quantities shown in the expressions above.needs complete typed solution with 100 % accuracy.
- Dr. B takes her dog ada on a walk. they start out heading south for 0.75 miles. then they turn left 30 degrees and they continue to walk for another 11 mile. Finally they turn right 9o degrees and they walk 1.9 miles. The whole walk takes 45 minutes. What is the average speed of Dr.B and Ada on their walk? give your answer in m/s. What is the direction of the total displacement vector?t path A in the figure. A city block is asquare of l = 105 m on each side. What is the total distance traveled on path A in meters? What is the magnitude of the displacement in meters? What is the angle of displacement, in degrees, measured east of north?He heads east 3 miles, turns and walks 1.5 miles north, and finally turns and walks 1.5 miles weat. What is his displacement?
- 9. The displacement vectors A T and B shown in Figure P3.9 both have of magnitudes 3.00 m. The direction of vec- 30.0°. Find gra- tor A is 0 phically (a) А+ В, (Ь) А - В (c) B- A, and (d) A – 2B (Report all angles counterclock- wise from the positivex axis.)Current Attempt in Progress A sailboat race course consists of four legs, defined by the displacement vectors A.B.C, and, as the drawing indicates. The magnitudes of the first three vectors are A = 3.10 km, B = 4.90 km, and C= 5.00 km. The finish line of the course coincides with the starting line. Using the data in the drawing, find (a) the distance of the fourth leg and (b) the angle . 23.0 Ď Finish- B 35.0⁰ Ā 40.0⁰ StartA speedy turtle walks 17 meters east in 30 minutes. The turtle decides to head toward the water and turns to the south and walks 5 meters which takes turtle 20 minutes. What is the displacement (magnitude and direction) of the turtle from where it started?