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A 6.0-kg block is at rest on a horizontal floor. If you push horizontally on the 6.0-kg block with a force of 24.0 N, it just starts to move.
(a) What is the coefficient of static friction?
(b) A 16.0-kg block is stacked on top of the 6.0-kg block. What is the magnitude F of the force, acting horizontally on the 6.0-kg block as before, that is required to make the two blocks start to move?
Water flows at 0.25L/s through a 7.0-m-long garden hose 2.0cm in diameter that is lying flat on the ground. What is the gauge pressure of the water where it enters the hose
A single strand of wire of adjustable length is wound around the circumference of a round balloon that has a diameter of 25.0 cm, what is the magnitude of the average value of the emf induced in the loop
Two objects attract each other gravitationally with a force of 2.5 x10-10 N while they are 0.33 m apart. Their total mass is 4-kg. Find out their individual masses.
There are two forces on the 2.13 kg box in the overhead view of the figure but only one is shown. For F1 = 26.7 N, a = 14.5 m/s2, and ? = 31.1°, find the second force in unit-vector notation
A 9.30 kg monkey is hanging by one arm from a branch and swinging on a vertical circle. Calculate the magnitude of the centripetal force acting on the monkey
Find out an effective coefficient of kinetic friction
A force vector has a magnitude of 590 newtons and points at an angle 44o of below the positive x axis. What is (a) x scalar component and (b) y scalar component of the vector.
As a engineer, you are designing a heat pump that is capable of delivering heat at the rate of 22 kW to a house. The house is located where, in January, the average temperature is 10°C.
A daring ranch hand sitting on a tree limb wishes to drop vertically onto a horse galloping under the tree. The constant speed of the horse is 12.0 m/s, and the distance from the limb to the level of the saddle is 4.00 m.
a 10,000kg open rail car rolls under a hopper at 1m/s. the hopper dispenses grain into the moving rail car, how much grain was loaded into the car
The bullet becomes embedded in the block. If bullet-block system compresses the spring by a highest of 88.0 cm, what was the speed of the bullet at impact with the block.
The temperature coefficient of resistivity for the metal gold is 0.0034 (C°)-1, and for tungsten it is 0.0045 (C°)-1. what is the percentage increase in the resistance in a tungsten wire
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