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A young woman named Kathy Kool buys a sports car that can accelerate at the rate of 4.90 m/s2. She decides to test the car by dragging with another speedster, Stan Speedy. Both start from rest, but experienced Stan leaves the starting line 1.14 s before Kathy. If Stan moves with a constant acceleration of 3.22 m/s2 and Kathy maintains an acceleration of 4.90 m/s2, find the time it takes Kathy to overtake Stan.
A puck rests on a horizontal frictionless plane. A string is wound around the puck and pulled on with constant force. What fraction of the disk's total kinetic energy is due to the rotation?
A wheel of radius 2m (I=MR^2) has a rotational kinetic energy of 4800 J when rotating at 20 rev/s. What is the final angular speed of the system
A satellite consists of a sphere of mass 1.00 x 10^3 with two spherical "ears" on retractable booms. The ears each have a mass of 50.0 kg. what will be the angular speed
The Burj Khalifa in Dubai is the world\'s tallest building. The structure is 828 m (2,716.5 feet) and has more than 160 stories. how high is the hotel room from the ground
Two clarinets are sounding tones of 190 Hz and 192 Hz, respectively. What is the beat frequency between the third modes
The acceleration of a certain simple harmonic oscillator is given by a= -(15.8 m/s^2)cos(2.51t) what is the amplitude of the simple harmonic motion?
A thin, light wire is wrapped around the rim of a wheel, If the suspended object moves downward a distance of 3.40m in 1.86s, what is the mass of the wheel
A loudspeaker is generating sound in a room. At a certain point, the sound waves coming directly from the speaker (without reflecting from the walls) create an intensity level of 75.1 dB. What is the total intensity level
The real image of an object is located 45.0cm away from a concave mirror, which has a focal length of 10.0cm. How far is the object from the mirror
A wheel initially rotating at an angular speed of 1.4 rad/s turns through 30 revolutions during the time that it is subject to an angular acceleration of 0.40 rad/s2
Distinguish constructive conflict from socio emotional conflict and explain how to apply the former without having the latter become a problem.
A 2600-pF air-gap capacitor is connected to a 9.0-V battery. If a piece of Pyrex glass (K=5) is placed between the plates
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