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A mass-spring system has b/m = w(naught)/5, where b is the damping constant and w(naught) the natural frequency.
How does its amplitude when driven at frequencies 10% above w(naught) compare with its amplitude at w(naught)?
Express your answer using two significant figures.
You do 9.5J of work to stretch a spring with k=210N/m, starting with the spring unstretched. How far does the spring stretch
Explain how many pellets must be added to 450 g of water that is initially at 20.0°C to make the equilibrium temperature 25.0°C? Neglect any energy transfer to or from the container.
A supersonic jet passes directly overhead at an altitude of 13,265 m, traveling at 680 m/s, or mach 2. How much time elapses before you hear the sonic boom
A projectile is launched with a momentum of 200 kg • m/s and 1000 J of kinetic energy. What is the mass of the projectile
An electron initially at rest moves from one plate of a capacitor to another, through a potential di?erence of 2476 V, Find the speed with which the electron strikes the positive plate
two semicircular filament have a common diameter. one lies in the x-y plane and one in the x-z plane. the curved portion of each carries a uniform line charge density (rho). find the electric filed at the common cetner of the semicircles
A baseball thrown at an angle of 55.0 above the horizontal strikes a building 18.0 away at a point 8.00 above the point from which it is thrown. Find the magnitude of the initial velocity of the baseball
A 3.10 kg steel ball strikes a wall with a speed of 10 m/s at an angle of 60 ° with the surface. It bounces off with the same speed and angle. If the ball is in contact with the wall for 0.190 s, what is the average force exerted on the ball by th..
Find out vertical and horizontal components
The current-density magnitude in a certain circular wire is J = (3.10 × 1010 A/m4)r2, How much energy is converted to thermal energy in 2.00 h
An electron moves with a velocity of 5 x 10^5m/s at an angle of 60 degrees with an eastward B field. The electron experiences a force of 3.2 x 10^-18N directed into the paper. What are the magnitude of B and direction of the velocity?
A piece of wood is 0.600m long, 0.280m wide, and 7.00×10?2m thick. What is the mass of this volume of lead
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