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A 10-kg block is set moving with an initial speed of 6 m/s on arough horizontal surface. If the coefficient of friction(µ k) is 0.20, approximately how far does the block travel before it stops?
A rubber balloon is rubbed against a wool sweater and acquired a charge of -1.6 μC. How many electrons were transferred from the sweater to the balloon?
An electron is accelerated from rest by a potential difference of350V. It then enters a uniform magnetic field of magnitude 200mTwith its velocity perpendicular to the field.
A certain particle has a weight of 34 N at a point where the acceleration due to gravity is 9.80 m/s2. What are the weight and mass of the particle at a point where the acceleration due to gravity is 4.90 m/s2
A bubble with a volume of 1.00 cm3 forms at the bottom of a lake that is 40.0 m deep. What is the volume of the bubble just before it breaks the surface of the water
The position of an object as a function of time is given by x= bt + ct3, where b = 1.50 m/s and c = 0.640m/s3. calculate the averagevelocity of the object over time intervals
An optical system is designed so that an object for a convex spherical mirror of focal length f=15 cm is 20 cm behind the mirror, determine whether the image is real or vertual, erect or inverted
An airplane flies eastward and accelerates uniformly. At one position along its path it has a velocity of 33.3 m/s. Find the airplane\'s acceleration
A 2.0 mm diameter plastic bead is charged to - 1.0nC. A proton is fired at the bead from far away with a speed of 1.0x10^6 m/s, What is the impact speed
During a rain storm, rain comes straight down with a velocity Vi = -15 m/s, find the average force exerted by the rain on the roof during a 3 second time interval
2.2 mol of neon gas is initially at a pressure of 1.8 atm and a temperature of 253oc. i if the gas is cooled at
A 15 kg flywheel has all its mass around its outer rim. A string is wrapped around it and a m = 3.7 kg weight is hanging on the string. The flywheel has radius R = 0.25 m. What is the angular acceleration at this point?
the speed of an object amp the direction in which it moves constitute a vector quantity known as the velocity. an
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