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Four masses m1, m2, m3, and m4 are respectively 90,135,108 and 117kg. the corresponding radii of rotation are 225, 175, 250 and 330mm and the angles α, β and ϒ are respectively 45, 70 and 135 degrees. Find the position and magnitude of the balance mass required if the radius of rotation is 600mm.
for circular parallel plate capacitor whose radius is 0.1 m and which the separation between the plates is 2mm what is
If a sprinter running at a speed of 10 m/s could convert his kinetic energy into upward motion, determine how high could he jump
A person with a boat wants to cross a river 1 mile wide flowing with a current 8 mi/hr. Find what time will it take him to cross the river
A flywheel in a motor is spinning at 560 when a power failure suddenly occurs. The flywheel has mass 40.0 and diameter 75.0. The power is off for 34.0, and during this time the flywheel slows down uniformly due to friction in its axle bearings. Durin..
1. a mirror has a radius of curvature of 24 cm. mirror is convex. you look at the reflection of your eye while holding
Which of the following is not considered an elementary particle?
Here is a displacement-time graph of an object which is not moving with simple harmonic motion. But it is still an oscillation and it has a period. period of oscillation
A sled is initially given a shove up a frictionless 26.0° incline. It reaches a maximum verticalheight 1.45 m higher than where itstarted. What was its initial speed
A particle of charge q = -8.7µC has a velocity of 625 m/sthat lies in the x—y plane and makes anangle of 65° with respect to the x axis as shown inthe figure below.
A Michelson interferometer uses light from glowing hydrogen at 486.1 nm. As you move one mirror, 530 bright fringes pass a fixed point in the viewer. How far did the mirror move.
A low-power laser used in a physics lab might have a power of0.50 mW and a beam diameter of 3.0mm. calculate the average light intensity of the laser beam
Illustrate what is the angular velocity of the merry-go-round now? What if the people were on it initially and then jumped off in a radial direction (relative to the merry-go-round)?
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