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How much mass would have to be suspended from the vertical spring to stretch it the first 6.0 CM? How much more mass would have to be suspended from the vertical spring to stretch it the additional 2.
How much power must you exert to horizontally drag a 30.0kg table 12.0m across a brick floor in 25.0s at constant velocity, assuming the coefficient of kinetic friction between the table and floor
In a diesel engine, the piston compresses air at 309 K to a volume that is 0.0621 of the original volume and a pressure that is 48.3 times the original pressure. What is the temperature of the air a
A radius of 1.35 cm. a 255-g mass hangs from the other end of a string and is released. Write newtons second law for each of the three objects.
An unstable particle with a mass equal to 3.34 multiplied by 10-27 kg is initially at rest. The particle decays into two fragments that fly off with velocities of 0.981c and -0.864c, respectively. F
A wire carrying a 2-A current is placed at an angle of 60° with the respect to a magnetic field of strength 0.2 T. If the length of the wire is 0.6 m what is the magnitude of the magnetic forc
Explain how these two statements describe the 1st and 2nd law of thermodynamics.
The thermal expansion coefficient of copper is about 1.7 x 10-5 / oC. A copper cable has a length of 20 m early in the morning, when the temperature is 15 oC. What is the change in it's length (Lnew-L
Find the magnetic field at the center of a set of Helmholtz coils each with radius R=0.1m and each carrying a total current I=1.1A (so if there are N turns, each turn carries current I/N).
The electric field in an electromagnetic wave is given by the following (using the standard units) E=20cos(10^7x-wt) where x is the position along the x-axis.
Is it possible for both the pressure and volume of a monatomic ideal gas to change without causing the internal energy of the gas to change?
A healthy heart pumps about 70 ml of blood in one heart beat. The average pressure exerted is about 100 mm-Hg and there are 70 heartbeats in a minute. (a) What is the average power output of the hea
A wheel, starting from rest, has a constant angular acceleration of 1.2 rad/s^2 . In a 1.8-s interval, it turns through an angle of 75. How long has the wheel been in motion at the start of this
A 255-g mass hangs from the other end of the string and is released. Find the acceleration of the cart and the hanging mass.
Find the force acting on the electron as it revolves in a circular orbit of radius 5.18x 10-11 m.
What are the two smallest nonzero film thicknesses (in nm) for which reflected light undergoes constructive interference? Let (a) be the smaller of the two values.
A curve in a road forms part of a horizontal circle. As a car goes around it at constant speed 14.0 m/s, the horizontal total force on the driver has magnitude118N. What is the total horizontal forc
A space station, in the form of a wheel 121 m in diameter, rotates to provide an "artificial gravity" of 2.70m/s2 for persons who walk around on the inner wall of the outer rim. Find the rate of the
A 10 kg block of ice has a temperature of -8°C. The pressure is one atmosphere. The block absorbs 4.20 106 J of heat. What is the final temperature of the liquid water?
Light shines through a single slit whose width is 7.40 10-4 m. A diffraction pattern is formed on a flat screen located 3.2 m away. The distance between the middle of the central bright fringe and t
An aluminum baseball bat has a length of 0.81 m at a temperature of 20°C. When the temperature of the bat is raised, the bat lengthens by 0.00016 m. Determine the final temperature of the bat.
A series RLC circuit contains a 125.0 O resistor, a 35.0 µF capacitor and a 70.0 mH inductor. The circuit is attached to a 60 Hz oscillator with a peak voltage of 55.0 V. What is the peak vo
A diffraction pattern forms when light passes through a single slit. The wavelength of the light is 665 nm. Determine the angle that locates the first dark fringe when the width of the slit is each
A transparent oil with index of refraction 1.29 spills on the surface of water (index of refraction 1.33). Determine the thickness of the oil slick.
An unknown number of moles of an ideal monoatomic gas expand reversibly from Vi = 2.50 m3 to Vf = 3.20 m3, at a constant pressure of 2.11 atm. Find the final temperature of the gas K.