A uniform plate of height 0.970 m is cut in the form of a parabolic section. | y H 1 The lower boundary of the plate is defined by: y =0.600x2. Find the distance from the rounded tip of the plate to the center of mass. Submit Aneuer Trie 0/13
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- To strengthen his arm and chest muscles, a 79-kg athlete 2.0 m tall is doing a series of push-ups as shown in the figure below (Figure 1). His center of mass is 1.20 m from the bottom of his feet, and the centers of his palms are 30.0 cm from the top of his head. Figure 1 of 1 > 20m -300 Review Find the force that the floor exerts on each of his feet, assuming that both feet exert the same force. Express your answerin newtons. 16] ΑΣΦ ? F-125.24 Submit Previous Answers Request Answer * Incorrect; Try Again; 4 attempts remaining Part B Find the force that the floor exerts on each of his hands, assuming both palms exert the same force. Express your answer in newtons. LIVE ΑΣΦΑ F-114 N Submit Previous Answers Request Answer * Incorrect; Try Again; 5 attempts remaining P Pearson NTwo pants of a balance are 26.6 cm apart the fulcrum of the balance has been shifted 0.752 cm away from the center by a dishonest shopkeeper. by what percentage is the true weight of the goods being marked up by the shopkeeper? Assume the balance has negligible mass. answer in units of percentageA ladder of length 2L and mass M is positioned on level ground leaning against a wall such that the angle between the ladder and the horizontal is a. The coefficient of static friction between the ladder and the wall and between the ladder and the ground is jistatic = 0.66. The centre of mass ofthe ladder is halfway along it. Draw a diagram indicating all the forces acting on the ladder, and state what each force represents. Also show the direction of the a- and y-axes you will use.
- As shown below, on Mars a beam of length L is leaning against a frictionless wall and is in static equilibrium. The center of mass of the beam is located 0.7L from the lower end of the beam and the wall is exerting a force of 56 N on the beam. 0.7 L 78° Determine the mass of the beam and the minimum coefficient of static friction between the floor and the beam. mass of the beam = Ms, min =.Please help me
- The forearm of length Larm = 35.2 cm shown in the figure is positioned at an angle with respect to the upper arm, and a 5.05-kg ball is held in the hand. The total mass motal of the forearm and hand is 2.75 kg, and their center of mass is located at Le 15.0 cm from the elbow. The biceps muscle attaches to the forearm at a distance Lbiceps = 4.5 cm from the elbow. What is the magnitude of the force Fbiceps that the biceps muscle exerts on the forearm for 0 = 27"? Foiceps 451.9 Fjoint Incorrect What is the magnitude of the force Fjoint that the forearm exerts on the elbow joint for 0= 27"? 375.4 N N AIA non-uniform beam extends from x = 0 m to x = 5.4 m. The linear mass density of the beam, as a function of x, is given by λ(x) = 415 x4 (kg/m). Calculate the x coordinate of the center of mass of the beam, in m. (Please answer to the fourth decimal place - i.e 14.3225)Body U with mass 5m is stacked on the top body W withmass m, and released. The bodies are in contact along thefrictionless interface at 45 to the vertical. The body U isin contact with the frictionless vertical wall. Body W lieson the floor with coefficient of friction u. Relevantdimensions are shown in the figure. Express the results interms of given quantities: m, g, h and u. Body U must stay in contact with the wall. Using the equations of motion for the two bodies compute the accelerations during the motion while in contact.