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What is the natural frequency in (a) rad/ sec and (b) hertz of a spring- mass system if the spring constant id 25 N/m and a 100g mass is abruptly added to one end and allowed to oscillate freely?
Calculate the angular and linear speed of the motion of the Moon about the earth. Hence calculate the centripetal force
Where does package hit the ground relative to the point
Suppose two parallel conducting plates are separated by 0.45 cm of air. Find the maximum potential difference between the two parallel conducting plates in kV
The suspension system of a 2400 kg automobile "sags" 11 cm when the chassis is placed on it. Also, the oscillation amplitude decreases with 48% each cycle. Estimate the values of (a) the spring constant k and (b) the damping constant b for the spring..
A 3.1 kg block of copper at a temperature of 87oC isdropped into a bucket containing a mixture of ice and water whosetotal mass is 1.2 kg. How much ice was in the bucket before the copper block was placed in it
A woman with a mass of 70 kg climbs a set of stairs that are h = 3 m high. How much gravitational potential energy does she gain
An electron in the hydrogen atom is in an excited state given by (n=4, l=3, ml=2, ms=1/2). List the possible final states the system could be in after the emission of photon. Include in the list the energies of the photon.
A physics student drops a vibrating 450 Hz tuning fork down the elevator shaft of a tall building. how far has the tuning fork fallen
A quarterback throws a pass at an angle of 40° above the horizontal with an initial speed of 22.0 m/s. Determine the initial vertical velocity Voy
Two masses m1 and m2 sit on a horizontal, frictionless table and are connected by a light string, Find the tension in each of the two strings
1 although all atoms have moving electric charges not all materials are magnetic for example copper or wood are not
A thermos contains 142 cm3 of coffee at 86.3°C. To cool the coffee, you drop two 10.1-g ice cubes into thethermos. The ice cubes are initially at 0 °C and meltcompletely. What is the final temperature of the coffee in degreesCelsius? Treat the coffee..
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