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A man pulls a block of mass m = 23 kg up an incline at a slow constant velocity for a distance of d = 5.5 m. The incline makes an angle q = 29° with the horizontal. The coefficient of kinetic friction between the block and the inclined plane is µk = 0.1.At the top of the incline, the string breaks and the block, assumed to be at rest when the string breaks, slides down a distance d = 5.5 m before it reaches a frictionless horizontal surface. A spring is mounted horizontally on the frictionless surface with one end attached to a wall. The block hits the spring, compresses it a distance L = 0.5 m, then rebounds back from the spring, retraces its path along the horizontal surface, and climbs up the incline.d) How far up the incline d1 does the block rebound?
Suppose in the double-slit arrangement, d = 0.150mm, L =120cm, %u03BB =833nm, What is the path difference %u03B4 for the rays from the two slits arriving at point P
question1three identical 3.60 masses are hung by three identical springs. each spring has a force constant of 4.90 and
FM station KCOM transmits simultaneously, at a frequency of 99.9 MHz, from two broadcast towers placed precisely 31.5 m apart along a north-south line. What is the wavelength of KCOM's transmissions
A 180kg hoop rolls along a horizontal floor so that the hoop's center of mass has a speed of 0.130m/s. How much work must be completed on the hoop to stop it.
A gear train is to be designed to transmit power from shaft 1 to shaft 2 with the following condition: Shaft 1 (driven by an electric motor) rotates at 100 revs min%u20131. Determine the input power required at shaft 1
A person, with his ear to the ground, sees a huge stone strike the concrete pavement. A moment later two sounds are heard from the impact: one travels in the air and the other in the concrete, and they are 6.60s apart. How far away did the impact ..
The energy flow per unit time per unit area (S) of an electromagnetic wave has an average value of 601 mW/ m2
X-rays are scattered from a target at an angle of 15.2° with the direction of the incident beam. Find the wavelength shift of the scattered x-rays
River Pascal with a volume flow rate of 7.0×10^5 L/s joins with River Archimedes, which carries 1.07×10^6 L/s, to form the Bernoulli River. What is the speed of the water in the Bernoulli River
Object A is acted on by only object B. The mass of object A is 20.0 kg and its acceleration is 4.00 m/s2 west. Object B is acted on by two forces, the force of object A on object B and another unknown force.
The resonant frequency of a series RCL circuit is 10.2 kHz. The inductance and capacitance of the circuit are each doubled. What is the new resonant frequency
You want to produce a magnetic field of magnitude 5.50×10?4T at a distance of 4.00×10?2m from a long, straight wire. What current is required to produce this field
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