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Two forces are applied to a block of mass M = 14.0 kg that sits on a horizontal, frictionless table. One force Fs 1 has a magnitude of 10.0 N and is directed at an angle u1 equal to 37.0° from the x direction as labelled in Figure 4-27. As a result of the forces, the block experiences an acceleration an equal to 0.500 m>s2 in the x direction only. (a) What are the x and y components of the second force?
A satellite in Earth orbit has a mass of 106 kg and is at an altitude of 1.94 106 m.(Assume that U = 0 as r ? infinity), What is the potential energy of the satellite-Earth system
Experiments show that the ground spider Drassodes cupreususes one of its various pairs of eyes as a polarization detector. Find the intensity transmitted by the other polarizing eye
A 3800 kilogram open railroad car coasts along with a constant speed of 8.60 m/s on a level track. Find the speed of the car after 90 minute
The drawing shows an A-shaped ladder. Both sides of the ladder areequal in length. This ladder is standing on a frictionlesshorizontal surface, and only the crossbar (which has a negligiblemass) of the “A” keeps the ladder from collapsing. Theladder ..
The filament of a light bulb has a temperature of 3.48 x 103 °C and radiates 60.0 W of power. The emissivity of the filament is 0.253. Find the surface area of the filament
the facing surfaces of two large parallel conducting plates separated by 10.0 cm have uniform surface charge densities
A place kicker must kick a football from a point 34 m (about 37 yd) from the goal, and the ball must clear the crossbar, which is 3.05 m high. When kicked, the ball leaves the ground with a speed of 23 m/s at an angle of 55 to the horizontal. By how..
How much power is needed to push a 85kg chest at 0.72m/s along a horizontal floor where the coefficient of friction is 0.76
An electron has a kinetic energy of 2.3*10-17 J. It moves on acircular path that is perpendicular to a uniformed magnetic fieldof magnitude 4.9*10 -5 T. Determine the radius of the path
A nail projects 25.0 mm horizontally outward from a wall. A 400 N picture is hung from the end of the nail, what is the diameter of the nail
How much work is done by an applied force that moves two charges of +6.8 µC that are initially very far apart to a distance of 5.3 cm apart?
A web page designer creates an animation in which a dot on a computer screen has a position of r? =[ 4.2cm +( 2.3cm/s2 )t2]i^+( 4.5cm/s )tj^
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