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In a circus performance, a monkey on a sled is given an initialspeed of 3.8 m/s up a 25° incline. Thecombined mass of the monkey and the sled is 19.0 kg, and the coefficient of kinetic frictionbetween the sled and the incline is 0.20. How far up the incline does the sled move?
A steel ball of mass m1 = 1.1 kg and a cord of length of L =1.8 m of negligible mass make up asimple pendulum that can pivot without friction about the pointO, as in the figure below.
What is the wavelength of the reflection minimum?
A jet airplane flying over Chyenne, Wyoming, has an air speed of 260 m/s in a direction 5.0 degrees south of west. What is the velocity of the airplance relative to the earth
X-rays having an energy of 280 keV undergo Compton scattering from a target. The scattered rays are detected at 36.0° relative to the incident rays. Find the Compton shift at this angle
Assume that a low-density gas has only one resonant frequency, ?0, and show that n ? Nq^2 / (2?0me(?0^2-?^2) ) starting with n^2 = Nq^2 / (2?0me(?0^2-?^2) ). Fully justify any mathematical expansion you employ.
A charge of -2.85 µC is fixed at the center of a compass. Two additional charges are fixed on the circle of the compass, which has a radius of 0.105 m. The charges on the circle are -3.8 µC at the position due north and +4.55 µC at the position du..
in a long solenoid the density of the wire is 180 turnscm. if the current in the wire is 0.680a what is the strength of
A small steel ball bearing with a mass of 11g is on a short compressed spring. When aimed vertically and suddenly released, spring sends the bearing to a height of 1.21 m. compute the horizontal distance the ball would travel if the same spring we..
A cylinder is fitted with a piston that is connected to the bottom by a spring. Find the work done by pressure in compressing the spring
a swimmer heads directly across a river swimming at 1.5 ms relative to the water. she arrives at a point 42 m
During a rain storm, rain comes straight down with a velocity Vi = -15 m/s, find the average force exerted by the rain on the roof during a 3 second time interval
Consider an RC circuit in which the capacitor is beingcharged by a battery connected in the circuit. After a time equalto four time constants, what percentage ofthe final charge is present on the capacitor?
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