In the Figure shown below, a small ball of mass m1=0 and a block of mass m 2kg are connected by a light string passing ov er a light smooth pulley. The block lies on a smooth inclined plane of angle 0–53°. Given g-10 ms2. The magnitu de of the acceleration of the block in ms2 equals
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- cht3 8, A ball with a mass of 0.250 kg is tied to a weak string with a breaking strength of 20.0 N. It is spun in a horizontal circle on a tabletop in a circle of radius 0.950 m. At what speed will the string break?Pls help ASAPCrates A and B have equal mass. Crate A is at rest on an incline that makes and angle of theta = 22.22 degrees horizontal, while crate B is at rest on a horizontal surface. Write an expression for the ratio fo the normal forces, A to B in terms of theta?
- The washer launched on the ice surface with a speed of v = 30 m / s stopped after a time t = 50 s. Determine the force of resistance to movement and the coefficient of friction μ, if the mass of the washer m = 500 g.A toy rocket engine is securely fastened to a large puck that can glide with negligible friction over a horizontal surface, taken as the xy plane. The 5.60-kg puck has a velocity of 2.00î m/s at one instant. Eight seconds later, its velocity is (6.00î + 6.0ĵ) m/s. (a) Assuming the rocket engine exerts a constant horizontal force, find the components of the force. (i+j) (b) Find its magnitude.B of mass Car A of mass m is driving with a speed 2v on a road with radius of curvature R. Car 2m is driving with a speed v on the same road. Assume that the only force in the normal direction is the force of friction. By what factor does the required force of friction vary from car A to car B so that the cars do ot slide out?
- A 2-kg hanging mass (m,) is connected by a string over a pulley to a 20-kg block (m,) that is sliding on a 30° fixed inclined plane (see the figure below). If the pulley's mass and the mass of the string are negligible, and all surfaces are frictionless, the magnitude of the acceleration (in m/s?) of the moving system is: A. 7.14 В. 9.8 С. 5.93 D. 3.56 E. 0.48A toy rocket engine is securely fastened to a large puck that can glide with negligible friction over a horizontal surface, taken as the xy plane. The 5.40-kg puck has a velocity of 1.20l m/s at one instant. Elght seconds later, its velocity is (6.0oi+ 8.0) m/s. (a) Assuming the rocket engine exerts a constant horizontal force, find the components of the force. 3375 (b) Find its magnitude. 527Figure 1 В А Three blocks, labeled A, B, and C, are connected by essentially massless strings that run over essentially massless and frictionless pulleys (as shown in Figure A above). Block A hangs straight down. The string from block A connects to block B which is sliding up and to the left along an inclined plane. The plane is inclined at an angle of theta = 0 = 52 degrees away from vertical. The coefficient of kinetic friction between block B and the plane is 0.38. Block B is connected by a different string to block C which hangs straight down. Block A has a mass of 4.1 kg. Block B has a mass of 3.7 kg. Block C has a mass of 2.5 kg. Block A is moving down and block C is moving up (the strings do not stretch). The only significant forces acting on the blocks are friction acting on block B, normal forces, tension forces, and gravity (with g = 9.81 m/s²). Calculate the %3D acceleration (in units of meters per second squared) of block A. For block A, a downward acceleration is…