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A motorcycle accelerates uniformly from rest and reaches a linear speed of 22.2 meter per second in a time of 8.73 second. The radius of each tire is 0.304 meter. Obtain the magnitude of angular acceleration of each tire?
What was the arrow's initial speed. A small sphere with a mass of 2.00×10^-3g and carrying the charge of 4.80×10^-8C hangs from a thread near a very large, charged insulating sheet. The charge density on the sheet is -2.90×10^-9C/m^2 .
a train traveling at a constant speed rounds a curve radius 275 meters. a chandelier suspended from the ceiling swings
Two free point charges +q and +4q are a distance l apart. Find the location, magnitude, and sign of the third charge
A playground carousel is free to rotate about its center on frictionless bearings. Find the resulting angular speed of the carousel and person
The area of a typical eardrum is about 5.0 × 10?5 m2. (a) Calculate the sound power (the energy per second) incident on an eardrum at the threshold of hearing. W (b) Calculate the sound power incident on an eardrum at the threshold of pain. W
A radio receiver can detect signals with electric field amplitudes as small as 210?V/m. What is the intensity of the smallest detectable signal
Determine the force (in N) of the car on truck all through the impact. Call this force positive if it points to the east, and negative if it points to the west.
During 5 successive 0.93 min intervals, a runner moves at the following constant speeds: 0.440 km/min, Compute the total distance traveled and the average speed
question1a student has two ramps both of that are at an angle 25deg. ramp 1 is frictionless and ramp 2 has friction.
A pendulum is made by letting a 3 kg object swing at the end of a string that has a length of 2.0m. The max angle the string makes by vertical as the pendulum swings is 30degrees. What is the speed of the object when it’s at 15degrees?
A bullet of mass 22 g is fired horizontally from a gun with a velocity of 1150 m/s into a wooden block of mass 8.0 kg sitting on a horizontal table
A film of MgF2 (n = 1.38) having thickness 1.68 10-5 cm is used to coat a camera lens. What are the three longest wavelengths that are intensified in the reflected light
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