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A 1000 kilogram car rounds a curve of radius 70 meter banked at an angle of 12 degree. If the car is traveling at 84 km/h, find will a force be required?
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A 10 kilogram block is placed on an ideal vertical spring that has been compressed 20 centimeter from its equilibrium length. Find the speed of the block as it leaves the spring
In an amusement park ride called The Roundup, passengers stand inside a 18.0 m-diameter rotating ring. What is the longest rotation period of the wheel that will prevent the riders from falling off at the top
what must the charge sign and magnitude of a particle of mass 1.47 g. be for it to remain stationary when placed in a
A child tries to swing an adult size baseball bat without choking up on it. She can manage only 180 °/s of angular velocity with a radius of 75 cm. Compute the linear velocity of the endpoint of the bat in each case
a carnot engine whose low-temperature reservoir is at 19.7degc has an efficiency of 26.8. by how much should the
what are some of the benefits of matrix organizational
A railroad car of mass 2.46 multiply.gif 104 kg, is moving with a speed of 4.13 m/s. What is the speed of the four cars after the collision
A sinusoidal wave travels along a string. The time for a particular point to move from maximum displacement to zero is 0.14 s. What are the (a) period and (b) frequency? (c) The wavelength is 2.5 m; what is the wave speed?
A black, totally absorbing piece of cardboard of area A = 3.0 cm2 intercepts light with an intensity of 3.9 W/m2, What radiation pressure is produced on the cardboard by the light
An opening of area 0.264 cm2 in an otherwise closed beverage keg is 48.4 cm below the level of the liquid (of density1.05 g/cm3) in the keg. Find the speed of the liquid flowing through the opening
A 1560kg car is travelling with a speed of 14.20 m/s. What is the magnitude of the horizontal net force that is required to bring car to a halt in a distance of 52.10 m.
Suppose that the hail comes straight down at a mass rate of m/?t = 0.030 kg/s and an initial velocity of v0 = -10 m/s, calculated the force exerted by the hail on the roof
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