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The position of a particle is given by + 0.25 cos (25.13 t) m,where t is in s and theta is in radians.
a. What are the frequency and the period?
b. What is the amplitude?
c. What is the maximum speed?
d. What is the maximum acceleration?
e. What is the first time after t = 0 that theparticle is at the equilibrium position?
f. What is the first time theparticle is at x = 0 and moving towards + x?
If the beam now strikes the top of a building standing directly at the water's edge, find out the height of the building.
Based on this information and what you learned in this chapter about the action potential, estimate the total number of sodium ion channels in the membrane of a nerve cell
A 0.69 cm high object generates an image that is 0.8 cm high. The lens has a focal length of 7 cm, Find the image and object distances
The SI units of mass density are kg/m3, but there are several other common units. One of the most commonly used units of mass density is gram per cubic centimeter, or g/cc. What is the buoyant force on the mass
A beam of 1 ev neutrons with beam density 10^3 cm^-3 strikes a 1 micron thick pure gold target. If the beam cross section projection on the target is 1mm^2 and the total interaction cross section is 99 b, what is the interaction rate in the target?
A coiled telephone cord forms a spiral with 56 turns, a diameter of 1.30 cm, and an unstretched length of 60.0 cm. Determine the self-inductance of one conductor in the unstretched cord.
Some object moves 220.0 m at an angle of 42° north of west. During this motion, a 68.0 N force acts on the same object, doing +5460.0 J of work on the object. what is this force's orientation
A 1.98 10-9 C charge has coordinates x = 0, y = ?2.00; a 2.73 10-9 C charge has coordinates x = 3.00, y = 0; and a -4.95 10-9 C charge has coordinates x = 3.00, y = 4.00, where all distances are in cm.
You are on a train traveling east at speed of 28.0 m/s with respect to the ground. what is your velocity with respect to your friend
a cylindrical cable with 2.49 x 10-8 m resistivity carries a current of 1500 a. there is a potential difference of 1.8
a charge q1 q is positioned on the x axis at x a. where should a charge q2 9q be placed to produce a net electric
A circus performer stretches a tightrope between two towers. He strikes one end of the rope and sends a wave along it toward the other tower. find the tension in the tightrope
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