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A person exerts a tangential force of 37.2 N on the rim of a disk-shaped merry-go-round of radius 2.70 m and mass 158 kg. If the merry-go-round starts at rest, what is its angular speed after the person has rotated it through an angle of 32.5°?
At a particular instant of time a light beam traveling in the positive x direction, find the direction of the electric field and explain
Two disks, (Disk A and Disk B) each having the same mass and Inertia of I=1/2MR^2 are rolling on the floor and then up ramps. The ramp for Disk A has friction, How much farther does it roll
an object can be hung from a string with a linear mass density of 0.00200 kg/m that passes over a light pulley. What is the frequency of the vibrator
Two steel guitar strings have the same length. String A has a diameter of 0.60 and is under 450.0 of tension. Find the ratio of the wave speeds
Sam's speed at the bottom is 35.0. Illustrate what is the coefficient of kinetic friction of his skis on snow?
A reflecting telescope has a main mirror with fM = 620 mm. If an eyepiece with a magnification of 15 is used, what is the total magnification of the telescope
A loudspeaker of mass 19.0 is suspended a distance of = 2.00 below the ceiling by two cables that make equal angles with the ceiling. Each cable has a length of = 3.30. Illustrate what is the tension in each of the cables?
A motorist drives south at 30.0 m/s for 3.00 min, then turns west and travels at 25.0 m/s for 2.80 min, and finally travels northwest at 30.0 m/s for 1.00 min. For this 6.8 min trip, how do you find the total vector, average speed and average velo..
A satellite is in a circular orbit around an unknown planet. The satellite has a speed of 1.60 104 m/s, and the radius of the orbit is 5.00 106 m. What is the orbital speed of the second satellite
this is all the data i hve so Consider the following film speed data: n1 = 8, n2 = 8, s1 = 0.11, s2 = 0.09. Determine the test statistic
A solid, rectangular iron bar measures .40cm by 1.0cm by 30cm. Find the resistance between each of the three pairs of opposing faces, assume the faces in question are quipotentials.
A heat engine runs in the cycle A to B to C and back to A. The pressure at C is 200 kPa. The volume at C is 20 liters.
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