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Two long, straight wires are separated by a distance of 14.3 cm. One wire carries a current of 2.94 A, the other carries a current of 4.48 A.
a) Calculate the force per meter exerted on the 2.94 A wire.
b) Calculate the force per meter exerted on the 4.48 A wire.
As observed on earth, a certain type of bacteria is known to double in number every 22.9 hours. Two cultures of these bacteria are prepared, how many bacteria are in the culture on the rocket
A marble (radius 1.5 cm and mass 5.0 g) rolls without slipping down a ramp of vertical height 26 cm. What is the speed of the marble
A ball is dropped from the top of a 6.10m tall building, falls straight downward, collides inelastically with the ground and bounces back up. How many bounces can the ball make
Suppose that while moving into an apartment you move a refrigerator into place by sliding it across the floor. What is the least force you could exert on the refrigerator to move it
After impact, the block slides 7.5 m before coming to rest. If the coefficient of kinetic friction between block and surface is 0.650, illustrate what was the speed of the bullet immediately before impact?
The second harmonic sinusoidal standing wave in a pipe with both ends open has a wavelength of 2m. The sound speed is 340 m/s. What is the frequency of the fundamental mode in this pipe
John measured the thickness of a book using a measuring stick. Calculate the mean thickness of the book
A block of mass M1=3.5kg moves with velocity v1=6.3m/s on a frictionless suface.It collides with block of mass M2=1.7kg which is initally stationary. What is the coefficient of kinetic friction on the rough surface
What is the sound level of a sound whose intensity is 6.5 × 10-8 W/m2, What is the intensity of a sound whose sound level is 30 dB
The water in a deep underground well is used as the cold reservoir of a Carnot heat pump that maintains the temperature of a house at 296 K. Determine the temperature of the well water
Find the acceleration of gravity on the surface of Mercury and find the acceleration of gravity on the surface of Venus.
Suppose that a 1.00 cm3 box in the shape of a cube is perfectly evacuated, except for a single particle of mass 1.23 10-3 g. Find the average pressure on the other walls
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