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A 3.00 kilogram block on a horizontal floor is attached to a horizontal spring that is initially compressed 0.0400 meter. The spring has force constant 895 N/m. The coefficient of kinetic friction between the floor and the block is 0.44. The block and spring are released from rest and the block slides along the floor.
Part A Find what is the speed of the block when it has moved a distance of 0.0200 m from its initial position?
a cannon fires a cannon ball at 954.4 ms in a straight line that passes directly over an observers head. if the
A charged particle of mass .0020kg is subjected to a 5.0T magnetic field that acts at a right angle to its motion. what is the magnitude of the charge on the particle
A fountain shoots a jet of water 10 m into the air. The fountain has a round nozzle of diameter 1.84 cm at ground level, fed by a pump located 6 m belowground through a round pipe of diameter 5.19 cm.
a plank 2.00 cm thick and 16.7 cm wide is firmly attached to the railing of a ship by clamps so that the rest of the
A 87.0-kg man is riding an escalator in a shopping mall. What is the work done on the man by the gravitational force
light of wavelength 657.9 nm is emitted by a star. the wavelength of this light as measured on earth is 659.3 nm.a. how
A small object with a mass of 330 mg carries a charge of 25.0 nC and is suspended by a thread between the vertical plates of a parallel-plate capacitor. what is the potential difference between the plates
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 muscle of 1cm2 cross section and 10.0 centimeter length is stretched to 11.0 centimeter by hanging a mass on it. Determine the work and specify the sign of the work
The gravitational force between two masses M and m seperated by a distance r is 40 N. What is the new force when this distance is halved
Equipotential surface A has a potential of 8350 V,while equipotential surface B has a potential of 16100 V. How much work is done by the outside force in moving the particle from A to B
Assume the light bulb in Figure 22.4b is replaced by a6.0Ω electric heater that consumes 15 W of power. The conducting bar moves to the right at a constant speed, the field strength is 2.4 T, and the length of the bar between the rails is1.2m.
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