Increasing the inclination Angle: If we increase the inclination angle to 0 = 30.0°, what would the downward acceleration of the same block of mass m = 10.0kg be? m 9.80 m Use g =
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- 1. Complete the following if g = 9.81 and V = 10 m3 (Show your Solution) (kg' m(kg) W (N) kg \m m³ A 20 C 4. 100 E 100A thin rod of length L = 2.00 m has a variable mass density given by: A(x) = (16x² + 3) and lies on the x-axis with one end at the origin. Determine the total mass M of the rod. (note this is a variable mass density} O 21.5 kg 0 18.3 kg 048.7 kg O 16.0 kg 0 32.3 kg MacBook Air 8. D command commandAt an amusement park there is a ride in which cylindrically shaped chambers spin around a central axis. People sit in seats facing the axis, their backs against the outer wall. At one instant the outer wall moves at a speed of 2.72 m/s, and an 82.0-kg person feels a 276-N force pressing against his back. What is the radius of a chamber?
- Problem 9: A thin cylindrical ring starts from rest at a height hj = 75 m. The ring has a radius R = 46 cm and a mass M =2 kg. R h, h,The forces are in static equilibrium. The 140 lb force is directed along the x-axis and the 300 lb force is directed along the negative z- axis. Determine the magnitude of the unknown force, R. Z X R Ox лог 140lb A (-50, 80, 160) lb By 300 lb уa 5.0-kg block is taken to another planet that has the same mass as the Earth. What is the planet’s radius if the object weighs half on that planet as it would on Earth? Let R be the radius of Earth.
- 40K P A 40 kg weight is supported by a cord that is wrapped halfway around a cylinder. The coefficient of friction between the cord and the cylinder is 0.3. a) Determine the force, P required to raise the weight at a slow, steady speed.Each box weighs 10 Ib. The coefficient of static friction between box A and box B is 0.2, and the coeficient of static friction between box B and the inclined surface is 0.3. What is the largest angle delta, for which box B will not slip? * 38.7 36.5 40.4 45.0 40.0° What is the normal force (in pounds) between the two block? * 7.7 7.1 8.0 7.6 7.8 What is the normal force (in pounds) between block B and the inclined floor? 15.3 15.2 16.1 15.6 14.1An object weighs 100.0 N on the surface of the earth, the radius of which is R. If the object is raised through a distance R above the surface of the earth, it will weigh: A 25.0 N B 50.0 N C 200 N D 20 N 24.
- A sphere is placed over the three closely packed identical spheres on a horizontal plane. All the spheres are identical both in weight and size. If one sphere weighs 100-N, determine the contact reaction between the upper and bottom spheres in N. A 28.04 163.30 16.80 D 40.82 24.80 F 18.42 80.24 H) 42.08The slope of the 5.0 KN force F is specified as shown in the figure. Express F as a vector in terms of the unit vectors i and j. Assume a = 13, b = 6. Answer: F = ( F b i+ j) KNA skate park is formed by two semicircles of radius R1 = 8.3 m and R2 = 1.0 m and a flat central part, as shown in the following figure. The flat part has a length L = 3.6 m. The semicircles are tangent to the horizontal in B and C and to the vertical in A and D. There is no friction in the curved parts and in the flat part the coefficient of kinetic friction is μC = 0.2. A block with mass m = 3.2 kg is dropped from A. Suppose the acceleration due to gravity is 9.8 m / s2. What is the magnitude of the velocity of the block as it passes through point B the second time? Choose one: a. 45,4 m/sb. None of the other alternatives.c. 22,7 m/sd. 11,6 m/se. 12,0 m/sf. 5,7 m/sg. 7,6 m/sh. 129,0 m/s