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After fixing a flat tire on a bicycle you give the wheel a spin. (a) If its initial angular speed was 6.09 rad/s and it rotated 15.8 revolutions before coming to rest, what was its average angular acceleration? rad/s2 (b) For what length of time did the wheel rotate?
A high-voltage transmission line with the resistance of 0.30 /km carries a current of 950 A. The line is at a potential of 710 kV at the power station and carries the current to a city located 161 km from the station.
A series RLC circuit has a resonance frequency of 102.048 Hz. When it is operating at a frequency of w>wo, XL = 15.6 ohms, and Xc = 11.7 ohms. Calculate the inductance for the circuit in units of mH
A pendulum clock can be approximated as a simple pendulum of length 1.08 m and keeps accurate time at a location where g = 9.82 m/s2. what must be the new length of the pendulum
The 4.83- kg weight that drives the time mechanism of a grandfather clock descends 27 cm in exactly 24 hours.
A stone is thrown upward with an initial velocity of 6 m/s. What maximum height will the stone reach
A soccer player kicks a rock horizontally off a 34.0-m-high cliff into a pool of water. what was the initial speed given to the rock
A laser used to weld detached retinas emits light with a wavelength of 652{\rm nm} in pulses that are 20.0{\rm ms} in duration. What is the energy of one photon in electron volts
While surveying a cave, a spelunker follows a passage 190{rm m} straight west, then 210{rm m} in a direction 45.0^circ east of south, and then 260{rm m} at 30.0^circ east of north. After a fourth unmeasured displacement, she finds herself back whe..
What is the pressure change in water going from a 3.0- cm-diameter pipe to a 2.1- cm-diameter pipe if the velocity in the smaller pipe is 5.0 m/s
Both spacecraft are initially at rest. Explain how far does the starship move as it pulls the shuttlecraft aboard?
Suppose that you wish to fabricate a uniform wire out of 1.00 g of copper. Assume the wire has a resistance R = 0.700 %u03A9, What will be the length of the wire
A uniform 1.80m ladder of mass 6.30kg is leaning against a vertical wall while making an angle of 53.0%u2218 with the floor. How much work did this person do against gravity
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