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A box of bananas weighing 44.0N rests on a horizontal surface. The coefficient of static friction between the box and the surface is 0.500, and the coefficient of kinetic friction is 0.300.
A) What is the magnitude of the friction force if a monkey applies a horizontal force of 7.10N to the box and the box is initially at rest?
B) What minimum horizontal force must the monkey apply to start the box in motion?
C) What minimum horizontal force must the monkey apply to keep the box moving at constant velocity once it has been started?
A proton with an initial velocity of (1.0x + 2.0y+ 3.0z) xe5 m/s enters an magnetic field of 0.5zT. Find the radius of the resulting helix
A large sponge has forces of magnitude 12 N applied in oppositedirections to two opposite faces of area 42 cm^2. What is theshear modulus of the sponge
An air bubble has a volume of 1.45 cm3 when it is released by a submarine 100 m below the surface of a lake. What is the volume of the bubble
a spherical ball hanging on a string on a smooth, frictionless wall. The mass of the ball is m, its radius is R, and the length of the spring is L. Find the normal force between the ball and the wall
At t = 0, a 755 g mass at rest on the end of a horizontal spring (k = 124 N/m) is struck by a hammer, which gives it an initial speed of 2.73 m/s. Determine the position as a function of time
A bullet of mass 10g and speed 500 m/s is fiered into a door and gets embeded exactly at the centre of the door, Calculate the angular speed of the door just after the bullet embeds into it
You pull downward with a force of 30N on a rope that passes over a disk-shaped pulley of mass 1.2kg and radius 0.075m, Find the linear acceleration of the 0.69kg mass.
two blocks are connected over a pulley. The mass of block A is 7.9 kg and the coefficient of kinetic friction between A and the incline is 0.24. What is the mass of block B
A uniform electric field exists everywhere in the x, y plane. This electric field has a magnitude of 6000 N/C, Find the magnitude of the net electric field at x = -0.18 m
A current of 1.3 A flows through a 55.8 resistor for 5.2 min. How much heat was generated by the resistor
A charge +8.2 ?C is placed at the center of the hollow spherical conductor with the inner radius 3.3 cm and outer radius 5.0 cm. What is the total charge on the interior surface
Consider three identical metal spheres, A, B, and C. Sphere A carries a charge of +3q. Sphere B carries a charge of -q. Sphere C carries no net charge.
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