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A block with a coefficient of kinetic friction μk =0.4 slides down a 30 degree inclined plane. Estimate what acceleration does it experience?
A box has a partition with 10% of its volume one side. The larger section of the box contains 500 Ar atoms and the smaller 100He atoms. A small hole is put into the partition. At equilibrium, what is the mean number of atoms of each type?
A spherical capacitor is formed from two concentric spherical conducting shells separated with vacuum. The inner sphere has a radius of 12.4 cm, and the outer sphere has a radius of 15.0 cm. A potential dissimilarity of 120 V is applied to the capaci..
A uniform hoop and a uniform solid disc are located side by side at the top of an incline of height h. calculate their speeds at the bottom of the incline
A jogger is running around a circular track of circumference 400m. If the jogger has a speed of 12 km/h, what is the centripetal acceleration of the jogger
A parachutist with mass 86.0 kg jumps from an airplane traveling at a speed vi=112 km/hr at a height H=2570 m. He lands with a speed of vf=5.21 m/s.
An oil droplet with 13.0 excess electrons is observed between two parallel electrodes spaced 11.0mm apart. What is the radius of the droplet
a bat flies toward a wall emitting a steady sound with a frequency of 20.0 khz. this bat hears its own sound plus the
Evaluate the magnitude of the acceleration of each mass. What percentage of error in would be made if the moment of inertia of the pulley were ignored? Ignore friction in the pulley bearings.
how do the temperature of combustion and the temperatures of collant and exhaust affect the efficiency of automobile
A 290-N sphere 0.20 m in radius rolls without slipping 6.0 m down a ramp that is inclined at 25° with the horizontal, What is the angular speed of the sphere at the bottom of the slope
A golf ball of mass 0.045 kg is hit off the tee at a speed of 34m/s. Find the impulse imparted to the golf ball
a 4.20-g bullet embeds itself in a 20.0-kg block which is attached to a horizontal spring with a force constant of 950
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