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Suppose you have a mass m attached to a spring with constant k (N/m). The mass rests on a horizontal frictionless surface. Its equilibrium position is at x=0. It is pulled aside a distance A and released. a) What is its speed as it passes the position x=0? b) What is the net force on the mass at position x=A? c) Do you expect the mass to have SHM? d) What is it speed when x=A/4? Please show work for each part so I can understand the problem.
Science is about collecting data. What kind of data do you think you will collect in Physics 320 class? What kind of data will you collect about heat
A spider of mass m is sitting in a perfectly symmetric web (in a vertical plane with 45 angles between the web lines), where Ti's denote the tensions along the lines that are connected to the spider at the center with i = 1, 2, 3, 4, 5, 6, 7, 8. The ..
A proton is projected in the positive x direction into a region of uniform electric field Earrowbold = (-5.40 multiplied by 105) i hat bold N/C at t = 0. Determine the acceleration of the proton
A resonant circuit using a 220 nF capacitor is to resonate at 18.0 kHz. The inductor in the circuit is to be a solenoid, How many loops will the inductor contain?
The normal force equals the magnitude of the gravitational force as a roller coaster car crosses the top of a 59-m-diameter, What is the car's speed at the top
A tennis ball is hit with a vertical speed of 30 m/s and a horizontal speed of 25 m/s. How long will the ball remain in the air
What is the angular frequency in rev/s of combination.
In an experiment, 300 g of aluminum (with a specific heat of 900 J/kg·K) at 100°C is mixed with 54.0 g of water (4186 J/kg·K) at 20°C, What is the entropy change of the aluminum-water system
Assume a small child rolls off a bed that is 0.38m above the floor. If the floor is hardwood, the child's head is brought to rest in approximately 2.2mm. If the floor is carpeted, this stopping distance is increased to about 1.1cm.
A small piece of dust of mass m = 1.0 µg travels through an electric air cleaner in which the electric field is 500 N/C, What is the charge on the dust particle
As morning sunlight falls on a tethered helium balloon, it expands from a volume of 1.05 ×103 m3 to 1.15 ×103 m3. how much does the helium's internal energy increase
A certain lightbulb has a tungsten filament with a resistance of 18.0 when cold and 138 when hot. Find the temperature of the hot filament
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