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A small object of mass in is placed on a disk that is initially at rest. The disk is spun up in the direction shown with constant angular acceleration alpha 0. If the coefficient of static friction between the mass and the disk is μs. determine the angle through which direction of motion the disk will have rotated when the mass first starts to slip.
A 5.0 kg mass is held between two springs of unstretched length 0.1m so that the springs are horizontal. What angle do the springs make with the vertical at equilibrium
A 0.200 kg projectile is fired with a velocity of +745m/s at a 2.0kg wooden block that rests on a frictionless table. The velocity of the block, immediately after the projectile passes through it, is +45 m/s. Find out the velocity with which the p..
A wheel makes 78.3 rotations during 5.45 s. What is the average angular velocity in that time interval
Determine the power a car engine contributes to speeding the 1300 kilogram car up to a highway speed of 50.0 mi/h in 14.0 second
Charge q1 = 5.47*10^-8 is placed at the origin. Charges q2 =-1.45*10^-8 C and q3 = 1.95*10^-8 C, Determine the direction of the net electrostatic force on charge q3
Find resonant frequency of a circuit that has 400 mH inductor and 30NF capacitor connected in a series
An astronaut on a strange planet finds that she can jump a maxhorizontal distance of 16.0 m if her initial speed is 2.00m/s. What is the free- fall acceleration on the planet
Light inside an optical fiber tube hits the wall between the tube and air and is totally internally reflected. what is the index of refraction of the tube
A circular loop in the plane of the paper lies in a 0.55T magnetic field pointing into the paper. If the loop's diameter changes from 20 cm to 5 cm what is the magnitude of the average induced emf.
A 40.0 ball of clay travelling east at 6.00 collides and sticks together with a 20.0 ball of clay travelling north at 5.00. What is the speed of the resulting ball of clay.
An automobile has a total mass of 2200 kg. It accelerates from rest to 70 km/h in 40 s. Assume each wheel is a uniform 44 kg disk. find the total kinetic energy of the automobile
An object's velocity is V =ct^3i+dj, where t is time and c and d are positive constants with appropriate units. What is the object's acceleration
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