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A 65kg Bicyclist rides 88kg bicycle with a speed of 40m/s. (a) How much work must be done by the brakes to bring the bike and rider to a stop? (b) how far does the bicycle travel if it takes 4.0 second to come to rest? (c) What is the magnitude of the braking force?
A nearsighted person wears glasses to correct the problem. How far in cm from the eyes is the person's far point located
a geothermal power plant is supplied with water at a well bottom temperature of 225 degrees c and a pressure of 8 mpa.
a 1400- car rounds a corner of radius 59 . the coefficient of static friction between the tires and the road is 0.80.
a train traveling at v0 25.0 ms begins to brake by applying a velocity-dependent instantaneous acceleration av alpha
An iron bolt of mass 60.0 g hangs from a string 33.1 cm long. The top end of string is fixed. Without touching it, a magnet attracts the bolt so that it remains stationary, displaced horizontally 27.0 cm to the right from the previously vertical l..
A charge of 140 µC is at the center of a cube of edge 60.0 cm. No other charges are nearby. (a) Find the total flux through each face of the cube. (b) Find the flux through the whole surface of the cube. N·m2/C (c) Would your answers to parts (a) ..
A 7.0kg hammer strikes a nail at a velocity of 8.6m/s and comes to rest in a time interval of 8.0 ms, estimate the average force acting on the nail
A forces of 16.88 N is applied tangentially to a wheel of radius 0.340 m and gives rise to an angular acceleration of 1.20 rad/s^2
A typical wall outlet voltage is 120 volts in the United States. calculate the number of turns on the secondary coil of the adapter transformer
A photon whose energy is 2.6 Ã- 10âˆ'14 J is scattered off an electron at an angle of 56â. What is the wavelength of the scattered wave
A particle is moving around in a circle and its position is given in polar coordinates as x = Rcos?, and y = Rsin?, derive the equation for centripetal acceleration
a soccer ball is kicked with an initial horizontal velocity of 14.0 ms and an initial vertical velocity of 13.0 ms.what
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