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A box of sand (initially at rest) is pulled along a horizontal floor by a cable with a breaking strength of 1020.0 N. The coefficient of static friction between the box and the ground is 0.42. What should the angle between the cable and the floor be in order to move the greatest amount of sand?
A spherical balloon is made from a material whose mass is 3.00 kg. The thickness of the material is negligible compared to the 1.6-m radius of the balloon. Find the absolute pressure of the helium gas
A "spinout" type carnival ride has a diameter of 4.0-m and rotates 3.0 times every 5.0 seconds. Find the linear speed of the rider
A river ?ows at a speed vr = 5.85 km/hr with respect to the shoreline. A boat needs to go perpendicular to the shoreline to reach a pier on the river's other side, determine the width of the river
A 6000-kg truck is accelerating at 0.5 m/s2 up a slope of 5 degrees. calculate the driving force needed for the truck to accelerate up the incline
A string is wrapped around the disk of mass m = 1.8 kg and radius R = 0.11 m. Starting from rest, you pull the string with a constant force F = 8 N along the nearly frictionless surface. At an instant when the center of the disk has moved a distan..
A bullet of mass 4.3 g is fired horizontally into a 8.60 kg wooden block at rest on horizontal surface. The coefficient of kinetic friction between block and surface is 0.13.
A box slides down a frictionless 6.02 m high hill, starting from rest. How far from the bottom of the hill does the box come to rest
Calculate the pressure at the center of pipe A. Suppose T = 10?C.
An object with total mass mtotal = 14 kg is sitting at rest when it explodes into three pieces. One piece with mass m1 = 4.6 kg, What is the magnitude of the velocity of the center of mass of the pieces after the collision
A 1.02 kg mass is suspended from a wire changes the length of the wire by 1.20 mm. find the stress in the wire due to the suspended mass
a 2.0kg ball traveling at 2.0m/s collides head on with a 1kg ball intially at rest. Fraction of initial kinetic energy lost during the collision
A boxcar of mass 5.32 x 10^4 kg is rolling south at 3.49 m/s when it collides and couples with another boxcar that is rolling north at 5.12 m/s. Find the mass of the boxcar
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