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A runner moving at a constant speed of 11.5 m/s rounds a curve of radius 6.15 m. Compute the acceleration of the runner. (State the magnitude of this acceleration.)
Two runners start simultaneously from the same point on the circular 200 m track and run in opposite directions. One runs at a constant speed of 6.14 m/s and the other runs at a constant speed of 5.43m/s. When they first meet, for how long a time ..
Three liquids are at temperatures of 5.0°C, 21°C, and 33°C, respectively. Equal masses of the first two liquids are mixed, Find the equilibrium temperature when equal masses of the first and third are mixed
The catapult on an aircraft carrier can take an aircraft from 0 to 216 mph in 8 seconds, at which time the aircraft launches
The plates of a parallel-plate capacitor have a separation of 4.04mm , and each has an area of 15.4cm2 . Each plate carries a charge of magnitude 6.65×10?8C, What is the potential difference between the plates
A bumper car with mass m1 = 102 kg is moving to the right with a velocity of v1 = 4.9 m/s. A second bumper car with mass m2 = 90 kg is moving to the left with a velocity of v2 = -3.3 m/s, What is the velocity of the center of mass of the system
must include free body diagrams with applications of newton's 2nd law 1) a 3.0 kg ball is attached to two pieces of string, compute the tension in the upper string
On a workday the average decibel level of a busy street is 65 kb, with 121 cars passing a given point every minute. If the number of cars is reduced to 33 cars every minute on a weekend, what is the decibel level of the street.
The maximum torque experienced by a coil in a 0.85 T magnetic field is 8.4 10-4 N · m. What is the length of the wire from which the coil is made
An empty parallel plate capacitor is connected between the terminals of a 2.8-V battery and charged up, what is the new voltage between the plates of the capacitor
assume you are 90 cm from a plane mirror. What area of the mirror is used to reflect the rays entering one eye from a point on the tip of your nose if your pupil diameter is 5.5 mm.
Suppose Fuzzy, a quantum-mechanical duck, lives in a world in which h = 2?J · s. What is the minimum uncertainty in the duck's speed
A wrecking ball (weight = 5680 N) is supported by a boom, which may be assumed to be uniform and has a weight of 2520 N. compute the tension in the support cable
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