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A 2.354 kg block is on a horizontal surface with ?k = 0.170, and is in contact with a lightweight spring with a spring constant of 526 N/m which is compressed. Upon release, the spring does 3.182E+0 J of work while returning to its equilibrium position. Calculate the distance the spring was compressed. (in m) What is the velocity of the mass as it breaks contact with the spring?
An 82-kg running back leaps straight ahead toward the end zone with a speed of 7.0 m/s, What change in the running back's momentum does the impulse produce
A sound pulse has a power of 948.5 watts. find the intensity of the sound at the time of observation
Evaluate the magnitude of the apparent weight of a 84 kg astronaut 4500 km from the center of the Earth's Moon in a space vehicle accelerating toward the Moon at 3.1 m/s^2?
throughout the process the mechanical device pushing the piston to compress gas is found to expend 4 kJ of energy. What is the magnitude of the heat flow between heat reservoir and the gas and in what direction does the heat flow occur.
Find the capacitance of a parallel plate capacitor that has two square plates both having a side length of 6 cm, where these plates are seperated by 15 mm
Describe the method used to measure the Sun's shadow and in the drawing on page 18 what are the letters b and d used for?
An astronaut on a strange planet finds that she can jump a maximum horizontal distance of 19.0 m if her initial speed is 2.80 m/s. What is the free-fall acceleration on the planet
In a conversion from military to peacetime use, a missile with a maximum horizontal range of 160 km is being adapted for studying the upper atmosphere
Approximately how much electricity is generated from nuclear power each year in the US? Given the average fuel burnup above, What is the energy input for enrichment (via centrifuge method) as a fraction of the electricity generated by the fuel produc..
The police officer, knowing that the coefficient of kinetic friction between tires and road is 0.80, compute the speed of the sports car at impact.
Two different simple harmonic oscillators have the same natural frequency (f=9.50 Hz) when they are on the surface of the Earth. Calculate the new frequency of the vertical spring and mass
If the golf club is in contact with the ball as it is accelerated over an interval of 1.11 cm, estimate the average force exerted on the ball by the club
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