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A 1.5 kg mass attached to ended of a spring moves as a simple harmonic oscillator. If the mass has a speed of 2.6 m/s, when the spring is at it's equilibrium position, and has a maximum displacement of 11 cm, obtain what is its period of oscillation?
a truck moving at 13.3 m/s hits a concrete wall. what is the average force exerted on the wrench by the wall
A bedroom bureau with a mass of 57 kg,including drawers and clothing, rests on the floor. If the coefficient of static friction between the bureau and the floor is 0.45, what is the minimumhorizontal force a person must apply to start the bureaumov..
A pendulum hangs from an inclined wall. Suppose that this pendulum is released at an initial angle of 10 degrees and it bounces off the wall elastically when it reaches an angle of -5 degrees
the electric potential at a position located a distance of 18.9 mm from a positive point charge of 6.80x10-9c and 13.3
Light in air enters a diamond (n= 2.42) at an angle of incidence of 48 degrees. What is the angle of refraction inside the diamond
consider a point charge with a charge q located at the origin in an empty space. let the electric potential be zero at
a 10.5-kg uniform board is wedged into a corner and held by a string at a 50 degree angle. calculate the tension in the
The position of a particle moving along the x axis is given in centimeters by x = 9.75 + 3.50t 3, where t is in seconds. Calculate the average velocity
Consider a system of two bound particles (e.g., two nucleons bound by the weak force), of spins S1, S2, with s1 = s2 = 1/2. In an external magnetic field, the interaction Hamiltonian is H = µB · S, with S = (S1 + S2). A random distribution (contai..
70 grams of water at 85°C are mixed with an equal amount of water at 15°C in a completely insulated container. How much heat is gained by the cold water
A helium balloon ride lifts up passengers in a basket. Assume the density of air is 1.28 kg/m3 and the density of helium in the balloon is 0.18 kg/m3. What is the magnitude of the buoyant force on each person
a find the speed at which superman mass87.0 kg must fly into a train mass 19348 kg traveling at 70.0 kmhr to stop it.b
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