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consider a .10kg block being pushed horizontally along a tablewith a force of .10N so that the block moves 2.0m at a constantspeed in the same direction it is pushed.
How much work is done by the pushing force?
How much work is done by the frictionalforce that resists the pushing?
How much work is done by the force ofgravity acting on the book?
How much work is done by the normal forceof the table pushing on the book?
It takes a student t = 7.6 s to push a block m = 11 kg at a constant velocity over a distance of d = 8.2 m. Write an expression for the energy required to move the block along this path in terms of the variables provided
Presume the needle moves 7.5 mm from its highest to its lowest position and it makes 26 stitches in 9.1 s. What is the highest needle speed.
What's the advantage of launching space vehicles from high flying aircraft in place of from the ground.
Vector has a magnitude of 63 units and points due west, while vector B has the sasme magnitude and points due south. Find the magnitude and direction of a) A + B and b) A - B. Specify the directions relative to due west.
Determine the tension in each string
A car with mass of 1000.0 kg accelerates from 0 m/s to 40.0 m/s in 11.0 s. What is the average mechanical power output of the engine
Four identical charges (+2.5μC each) are brought from infinity and fixed to a straight line. The charges are located 0.40 m apart. Determine the electric potential energy of this group.
A 7.80-g bullet moving at 480 m/s penetrates a tree trunk to a depth of 4.5 cm. find the average frictional force that stops the bullet
A crate is hanging from a rope which is attached to a metal ring through which a second rope runs. What is the angle if the tension in rope 1 is 1.30 times the tension in rope 2
Two long wires carrying equal currents I are at right angles to each other, but don't quite touch. Describe the magnetic force one exerts on the other
A 20.0 cm long organ pipe is filled with air and is open at one end and closed at the other. What is the frequency of the third mode
A wire is 0.79 m long and 0.77 mm2 in cross-sectional area. It carries a current of 4.1 A when a 2.0 V potential difference is applied between its ends
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