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Suppose a particle with mass m release from rest in a uniform gravity g. Suppose the drag force is proportional to speed square, Fdrag = bu^2. Assume the geometry, viscosity, and other properties are such that b = mg/c^2. Write down the relativistic equation motion and find an expression that gives the relationship between velocity and time.
What is the magnitude of the magnetic field. Evaluate this to the tension as the boat is raised and held at rest so the angle becomes 25 degrees.
A 43.0-N child is in a swing that is attached to ropes 1.60 m long. Find the gravitational potential energy associated with the child relative to her lowest position at the following times.
Starting from rest,a 10 cm diameter compact disk takes 3.0 s to reach its operating angular velocity of 2200 rpm. assume that the angular acceleration is constant.
A 3 kg object id released from rest at a height of a 5 meter curved frictionless ramp. At the foot of the ramp is a spring force constant of k= 400n/m the object slides down the ramp and onto the spring compressing it to the distance x before comi..
You are the science officer on a visit to a distant solar system. Prior to landing on a planet you measure its diameter to be 1.8x10^7m and its rotation period to be 22.3 hours, find the mass of the planet and star
How fast should the platform move, v_p, for the person to detect a beat frequency of 7.00 Hz ? Take the speed of sound to be 344 m/s. Express your answer numerically in meters per second.
a partice moves along the path y=-0.090x^6(-7)meters with a constant speed of 4 m/s. assume dx/dt>_0. Determine the cartisian components of velocity and acceleration at x= - 2m
a car with a mass 1865 kg is travelling west and slows down uniformly to 8.5 m/s over a distance of 108 m. calculate the initial speed of the car if the required braking force is 7525 N
A negative charge orbits a positive charge. The orbit is a perfect circle, What is the period of the orbit of the negative charge
What are the velocities of the two people after the snowball is exchanged? Disregard friction between skate and the ice.
If the piston has a cross sectional area of 0.0100 m^2 and negligible mass, how high would it rise when the temperature is raised to 250°C.
How much energy is necessary to place three charges, each of 3.0 micro Coulomb's, at the corners of an equilateral triangle of side 2 cm.
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