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An unstretched spring has a force constant of 1260N/m.
A) How large a force is required to stretch the spring by 1.6m from its unstretched length.
B) How much work is required to stretch the spring by 1.6m from its unstrected length.
C) How large a force is required to stretch the spring by 1.6m beyong the length reached in part A?
D) How much additional work is required to stretch the spring by 1.6m beyond the length reached in part A?
A microwave oven of mass 12.5kg is pushed a distance 8.00m up the sloping surface of a loading ramp inclined at an angle of 36.2? above the horizontal, What is the work done on the oven by the force
A diver springs vertically upwards from a 4.5-m board with an initial speed of 4.2 m/s. What is her acceleration when she is at this maximum height
A spherical mirror is polished on both sides. when you use aconvex mirror the magnification is +1/6. What is the magnification when used as a concave mirror the object remaining the same distance form the mirror?
The 1.48cm3 volume betweenthe plates of a 111 pF parallel-plate capacitor is filled with adielectric. The area of each plate is 0.00222 m2 and the plates are0.666 mm apart. Find the permittivity of the dielectric.
A 5000kg satellite orbits earth at a distance of 35,000km above the surface of the earth. Calculate its velocity and its period
Two converging lenses, each of focal length 13.1 cm, are placed 61.1 cm apart, and an object is placed 28.5 cm in front ofthe first. Where is the final image relative to the second lensformed? What is the magnification of the system?
The Enterprise has entered a standardorbit (circular orbit 500 km above the surface)about Earth. what is the period of her orbit
The index of refraction for a diamond for red light of wavelength 652 nm is 2.35, while that for blue light of wavelength 433 nm is 2.26. Assume white light is incident on the diamond at33.5?. Discover the angle of refraction for red light.
Jack and John are standing 6m apart from each other playing soccer. Jack kicks the ball to John and John kicks it back immediately. What is the speed of the ball when it's kicked back to Jack
A string has a linear density of 5.60 10-3 kg/m and is under a tension of 245 N. The string is 1.9 m long, is fixed at both ends, and is vibrating in the standing wave pattern shown below in the drawing. (a) Determine the speed of the traveling wave...
During an adiabatic expansion the temperature of 0.500mol of argon (Ar) drops from 48.0?C to 15.0?C. What is the change in internal energy of the gas
A woman on a rocket traveling at 0.85c (by respect to Earth) observes a meteor come towards her and pass her at 0.79c. How fast is the meteor moving with respect to Earth?
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