Determine the direction of the acceleration for an object rotating in a circle at a constant speed. Explain your reasoning.
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Determine the direction of the acceleration for an object rotating in a circle at a constant speed. Explain your reasoning.
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- Please answer the question to the right by using the info on the left. Need to find the maximum height first. Please circle both the maximum height answer and time in the air answerPROBLEM 4 A hula hoop, with a radius of r, is attached to the ceiling and can rotate about the pin that attaches it to the ceiling. A spider, who used to walk on a DJ Roomba, has now decided to walk on this hanging hula hoop. Find the acceleration of the spider, point P, with respect to a fixed frame using the magic formula. You must use the magic formula to solve this problem and draw and label the reference frames used in the diagram below.A motorcycle begins at rest at t0 = 0 seconds. The motorcycle starts moving, and eventually covers a distance d = 840 m, in a time tf = 189 s. In a coordinate system with north being the positive x-direction, the motorcycle's motion is in the northern direction (see figure). 1. What was the motorcycle's average velocity in in the northern direction vavg,N, in this period in meters per second? 2. If the motorcycle's final velocity at tf was 12 m/s, what was the motorcycle's average acceleration in the northern direction, aavg,N, during this period in m/s2?
- X2, X1 V1 pointing up and to the left (as shown in the diagram). When the object is at point x2 it has velocity v2 pointing up and to the right (also shown in the diagram). The circular track has a radius of 5.93 meters and the object is moving with a constant speed of 5.9 The diagram above shows an object going around a circular track at constant speed. When the object is at point x1 it has velocity meters per second. The diagram also shows two lines: one from the point x1 to the center of the circle, and the other from from the point x2 to the center of the circle. The angle between these lines is theta = 107 degrees, also as shown in the diagram. What is the magnitude, in units of meters per second, of the change in velocity between the time the object has velocity v1 and the time it has velocity v2 ?how to do?A rocket is fired from the ground at an angle of 1.04 radians. Suppose the rocket has traveled 485 yards since it was launched. Draw a diagram and label the values that you know. a. How many yards has the rocket traveled horizontally from where it was launched? yards Preview b. What is the rocket's height above the ground? yards Preview
- please help with that question , I have tried it many many time but it doesn't give me the right answerInstructions:You will be given one description of motion (words, motion diagram, graph of position x, velocity v, or acceleration a) and asked to complete the other descriptions of motion. For the paragraph response, select the choices from the drop-down menus that best complete the description of motion. For the position, velocity, and acceleration graphs, you will need to enter the number of the graph from the illustrated chart that best depicts the correct curve. Problem #4 a. At the beginning, the object is located {to the left of/ to the right of/ at} the origin. The object then moves to the {left/ right} with {increasing/ decreasing/ constant} speed and {increasing/ decreasing/ constant} {positive/ negative} acceleration. b. What is the number of the graph that best represents the velocity v? c. What is the number of the graph that best represents the acceleration a?A new car is tested on a 270-m-diameter track. Part A If the car speeds up at a steady 1.2 m/s², how long after starting is the magnitude of its centripetal acceleration equal to the tangential acceleration? Express your answer with the appropriate units. At = Submit μÅ Value Request Answer Units
- Landing with a speed of 71.4 m/s, and traveling due south, a jet comes to rest in 917 m. Part A Assuming the jet slows with constant acceleration, find the magnitude of its acceleration. Express your answer to three significant figures. a = m/s? Submit Request Answer Part B Assuming the jet slows with constant acceleration, find the direction of its acceleration. O to the south O to the north Submit Request Answerq3 You are riding a galloping horse around a circular track at a constant speed. Does the horse's velocity change? Briefly explain why or why not. Hint: In your answer, make sure that the explanation is related to a physics principle covered in this unit. Question 3 options:Background: A full non-uniform circular motion We are going to have an object completing a full circle. A smart-cart was swiveled in the vertical (i.e. in front of us). The cart’s mass is ~240 grams and is hanging from a 0.5 m inextensible light string. In this experiment, the time in seconds and force of tension in Newtons for the smart-cart was measured. a) Find an algebraic equation that relates the minimum/maximum tension to the minimum/maximum linear speed so that the speed magnitudes may be estimated. b) What would be a good way to approximate the linear acceleration at a given time? (i.e. ~3.25 s, which is approximately halfway between the minimum and maximum tension values)