PROBLEM 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.
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- Find the magnitude of the instantaneous acceleration (in m/s2) of an object that moves at a constant speed around a circle if it takes 7.01 s to complete one revolution. The radius of the circle is 1.62 mA physics book slides off a horizontal table top with a speed of 1.20 m/s. It strikes the floor after a time of 0.450 s. Ignore air resistance. Part A Find the height of the table top above the floor. Express your answer with the appropriate units. h = Submit Part B Value x = Request Answer Find the horizontal distance from the edge of the table to the point where the book strikes the floor. Express your answer with the appropriate units. Units Value UnitsThe cliff divers of Acapulco push off horizontally from rock platforms about h = 41 m above the water, but they must clear rocky outcrops at water level that extend out into the water L = 4.1 m from the base of the cliff directly under their launch point (Figure 1). Part A What minimum pushoff speed is necessary to clear the rocks? Express your answer to two significant figures and include the appropriate units. ? Value Units Submit Request Answer Part B How long are they in the air? Express your answer to two significant figures and include the appropriate units. ? Figure Value Units %3D Submit Request Answer Provide Feedback P Pearson lyp NON- FOLLOW ME DESKTC WAVE ID
- Hey im stuck on this question You are on the plane neptune and want to determine the acceleration due to gravity, g. You have a stopwatch and a toy gun that can launch a ping pong ball vertically upwards with an initial velocity of 7.5 m/s. Describe, in words, how you would perform an experiment to determine the acceleration due to gravity. Be sure to describe the variables you would measure, the equations you would use and the assumptions you would make. Make sure to include a diagram of the physical situation, label know and unknown quantities with units, coordinate system. Please use grade 12 kinematics and label the variables as v1, v2, a (Acceleration), t (time), d (displacement) Thanks!A rocket rises straight up from rest with an acceleration of 1.50 m/s2 at which point its engine fails. For the rest of its flight it experiences only gravitational acceleration.1) Make a diagram showing the rocket's initial conditions (height, time and velocity), the conditions of the rocket when its engine fails, the conditions of the rocket at the peak of its flight,and the conditions of the rocket when it has returned to the ground.2) At the moment when the engine fails (50 m from the ground), what is the rocket's height? What is its velocity?3) At the peak of its flight, what is its height? What is its velocity? How much time has elapsedsince its launch?4) When the rocket returns to the ground, how long has it been in flight? How fast is it going?Answer on separate paper. Be sure to show all equations used in symbolic and substitutedform before doing calculationsIn the pulley shown, cylinder "A" has a downward velocity of 0.3 m/s. a) Write the displacement, velocity and acceleration dependent motion equations. b) Determine the velocity of “B" including units and direction c) Determine the velocity d) Determine the velocity of VA/B including units and direction VB/A including units and direction Ув
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