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A bug of mass m crawls with a constant speed v' along the spoke of a wheel that is rotating with angular velocity ?. The plane of the wheel is horizontal.
a) Find all apparent forces acting on the bug if the spoke of the wheel is directed radialy outward from the center. Indicate clearly the direction of all of these forces.
b) Find how far the bug can crawl from the center of the wheel before it starts to slip. The coefficient of static friction between bug and spoke is µ_s.
A 70 ball of clay traveling at speed hits and sticks to a 1.2 kg block sitting at rest on a frictionless surface. What is the speed of the block after the collision
Sewage at a certain pumping station is raised vertically by 5.30 m at the rate of 1 920 000 liters each day. The sewage, of density 1 050 kg/m3, Find the output mechanical power of the lift station
A box is sliding down an incline tilted at an angle 14.0° above horizontal. The box is sliding down the incline at a speed of 1.70 m/s. How far does the box slide down the incline before coming to rest
A 92 kg man standing on a surface of negligible friction shoves a 73 g stone lying at his feet, giving it a velocity of 4.0 m/s. What velocity does the man acquire as a result.
A copper wire and an aluminum wire of the same length have the same resistance. What is the ratio of the diameter of the copper wire to that of the aluminum wire
A hockey puck is hit on a frozen lake and starts moving with a speed of 13.4 m/s. Five seconds later, its speed is 5.40 m/s. What is its average acceleration
A container is filled to a depth of 19.0 cm with water. On top of the water floats a 32.0-cm-thick layer of oil with specific gravity0.600
A 65 kg hiker has fallen down a hole. One rescuer attaches a rope to the injured hiker and then a second rescuer pulls the injured hiker straight up out of the hole at a steady rate. How much force would the second rescuer need to exert on the rope t..
An 8.0g bullet is shot into a 5.0kg block, at rest on a frictionless horizontal surface. Find the speed of the bullet
Assume the system rotates in the yz plane about the x axis with an angular speed of 2 rad/s. Find out the moment of inertia of the system about the x axis.
Calculate the vertical distance a water ballon dropped from rest covers in 99.88 seconds of free fall
If the blocks move determine the magnitude of their acceleration. If the blocks move determine the magnitude of the tension in the string. If the blocks do not move evaluate the sum of the magnitude of the forces of friction acting on the blocks...
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