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Dimensional kinematics equation: A biker first accelerates from 0.0ms to 6.0ms in 4.5s, then continues at this constant speed for another 4.5s. What is the total distance traveled by the biker?
A flask contains helium gas at 11K. The Flask is thermally isolated and the gas is allowed to escape slowly through a narrow tube until the pressure within the flask is 0,98 atm
A 11.1-kg cylinder rolls without slipping on a rough surface. At an instant when its center of gravity has a speed of 10.3 m/s, determine the following. (a) the translational kinetic energy of its center of gravity ____J (b) the rotational kinetic en..
A particle of mass 1.67×10-27 kg moves with a speed of 2.3×108 m/s relative to an observer. What is the kinetic energy of the particle in the rest frame
A block of mass m=3.15kg is pushed a distance d=2.05m along a frictionless horizontal table by a constant applied force of magnitude F=16.0N directed at an angle Theta=38.0 degrees below the horizontal
You drink a small glass of water that is 99.9999%pure water and 0.0001% some poison. Assume the glass contains about a 1,000,000 million trillion molecules, which is about 30mL. How many poison molecules did you just drink?
A large merry-go-round completes one revolution every 32.5 s. Calculate the acceleration of a child seated on it, a distance of 5.10 m from its center. What is the magnitude?
An isolated capacitor of unknown capacitance has been chargedto a potential difference of 100 V. Calculate the unknown capacitance
A small rock with mass 0.12 is fastened to a massless string with length 0.80 to form a pendulum, find the tension in the string as it passes through the vertical
A slingshot consists of a light leather cup attached between two rubber bands. It takes a force of 30 N to stretch the bands 1.2 cm. What is the equivalent spring constant of the rubber bands
A violin string 12.5 cm long and fixed at both ends oscillates in its n = 5 mode. The speed of waves on the string is 268 m/s, and the speed of sound in air is 348 m/s. What are (a) the frequency and (b) the wavelength of the emitted sound wave?
Three flat layers and transparent material are stacked upon one another. at what angle of incidence will a ray of light traverse the three layers in a single straight line
A stamp collector is viewing a stamp by a magnifying glass held next to her eye. Her near point is 25 cm from her eye.(a) What is the refractive power of a magnifying glass that has an angular magnification of 5.2 when the image of the stamp is locat..
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