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A string that is under 47.0N of tension has linear density 5.80g/m. A sinusodial wave with amplitude 2.70cm and wavelength 2.40m travels along the string. What is the maximum velocity of a particle on the string?
A farsighted person can read printing as close as 25.0 cm when she wears contacts that have a focal length of 37.4 cm. What is the maximum angular magnification that the magnifying glass can provide for her
In order to pass a physical fitness test, Marcella must run 1000 m at an average speed of 3.90 m/s. How much time does she have to run the last 750 m
A bullet with a mass of 4.95 g and a speed of 940 m/s penetrates a tree horizontally to a depth of 6.15 cm. Calculate the magnitude of this frictional force
What should the charge (sign and magnitude) of a particle of mass 1.47 be for it to remain stationary when placed in a downward-directed electric field of magnitude 610.
A 10 kg block of ice has a temperature of -10°C. The pressure is one atmosphere. The block absorbs 4.17 106 J of heat. What is the final temperature of the liquid water
A 1.5kg weight hangs from a 8.0kg, solid wheel with a 20 cm circumfrence by a thin string wrapped several times around the circumfrence. How fast (in radians/second) is the wheel turning just before the weight hits the floor
A rectangle has an area of 28.14 cm2. When both the length and width of the rectangle are increased by 1.80 cm, Calculate the length of the longer of the two sides of the initial rectangle
A 9.4 resistor and a 6.3 resistor are connected in series with a power supply. Find the voltage output of the power supply
A meter stick with mass 90 grams has a 30 gram particle stuck to its center. What is the rotational inertia of the system
A 1500 kg Prius and a 2400 kg Ford F150 pickup truck are approaching an unmarked intersection. What is the speed of the Ford at the moment of impact
How much work is required to stretch the spring. A satellite is in a low circular orbit about the Eart.
The 3.10 kg, 34.0-cm-diameter disk is spinning at 350 rpm How much friction force should the brake apply to the rim to bring the disk to a halt in 2.20 s.
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