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(a) What is the frequency of the motion?(b) What is the initial potential energy of the block-spring system?(c) What is the initial kinetic energy?(d) What is the amplitude of the oscillation?(e) Write down the equation: Please fill in the numerical values for A, ? and below, in SI units. Use a positive value.x(t) = ? · cos ( ? · t + ? )(f) What is the smallest possible NEGATIVE phase angle that could be used to describe this motion?
a magnetic field is perpendicular to .04 by .06 m a rectangular coil of wire that has one hundred turns in a time of .05s, Calculate the change in the magnetic field
q1. an airplane has a mass of 20000 kg and takes off under the control of a constant net force of 30000 n. what is the
A hydrogen atom is in the ground state. It absorbs energy and makes a transition to the n = 6 excited state.find the photon wavelengths of first and second transitions
At what height above the surface of the earth does the balloon have a speed of 7-m/s.
A ball is thrown vertically upward with a speed of 11.0 m/s. How long does it take to reach its highest point
(8c1p14) Time standards are now based on atomic clocks. A promising second standard is based on pulsars, which are rotating neutron stars, What is the mass of gasoline (? = 0.680 g/cm3) in a 94.6 L gasoline tank? (kg)
An advertisement claims that a centrifuge takes up only 0.127m of bench space but can produce a radial acceleration of 3000g at 5000 rev/min. Calculate the required radius of the centrifuge
A spherical balloon containing oxygen gas has a radius of 13.2 cm. what is the mass of oxygen in the balloon
A velocity selector has a magnetic field of magnitude 0.28 G perpendicular to an electric field of magnitude 0.43 kV/m. What energy must electrons have to pass through undeflected
A disk of radius 217 cm rotates about its axis. Points on the disk\'s rim undergo tangential acceleration of magnitude 2.31 m/s2. what is the tangential speed, v, of a point on the rim
A car starts from rest and travels for 5.0 s with a uniform acceleration of +1.8 m/s2. How fast is the car going at the end of the braking period
An airplane with a speed of 89.1 m/s is climbing upward at an angle of 31.5 ° with respect to the horizontal. Relative to the ground, determine the angle of the velocity vector of the package just before impact
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