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Problem: Unless otherwise stated, all objects are located near the Earth's surface, where g = 9.80 m/s2. A block is projected with a speed of 2.5m/s on a horizontal surface.
Part I: If the block comes to rest in 1.3m, what is the coefficient of kinetic friction between the block and the surface?
I need help to calculate the coefficient of kinetic friction between the block and the surface.
If 3.65 x 10-4 J of work are required to move 26.2 µC of charge from one point to another, What is the electric potential difference between the two points
In starting an exercise, a 1.61 m tall personlifts a 2.18 kg book on the ground so it is 2.26m above the ground. What is the work done bythe person's head
A 110kg crate, starting from rest, is pulled across a floor with a constant horizontal force of 350N. For the first 15.00 m the floor is frictionless and for next 15 m the coefficient of friction is 0.30. What is the final speed of the crate.
An electromagnetic wave with frequency 56.0 Hz travels in an insulating magnetic material that has dielectric constant 3.72, What is the speed of propagation of the wave
A rock is thrown vertically upward with an initial speed of 100 ft/s. At the same instant another rock is thrown vertically downward from the top of a 280 ft cliff with an initial speed of 40 ft/s. Find the time when the rocks pass each other
A sound wave in air has a frequency of 500 Hz and a wavelength of 0.68 m. What is the air temperature
A 120 Volt to 220 Volt step-up transformer consumes 10 Amp current in the primary coil, which has 600 turns. Determine the power of the transformer
A car of mass 1490 kg rests on a hydraulic lift with a piston of radius 0.26 m that is connected to a second piston of radius 0.031 m. what is the force at the second piston
Two blocks of masses M and M3 are placed on a horizontal, frictionless plane. Determine is momentum conserved in the bursting process
A square pool with 100-m-long sides is created in a concrete parking lot. The walls are concrete 72 cm thick and have a density of 2.5 g/cm3. The coefficient of static friction between the walls and the parking lot is 0.43. What is the maximum possib..
A 54.0 KG ice-skater moving at 6.4 m/s glides to a stop. Assuming the ice is at 0degrees celsius and that 50% of the heat generated with friction is absorbed by the ice, how much ice melts?
a 32.0 kg child slides down a long slide in a playground. she starts from rest at a height h1nbsp of 21.00 m. when she
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