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(a) A bathroom scale has a spring that is compressed by 1.50 cm when a 155 kg person stands on the scale. Assuming the spring is described by Hooke's law, find its force constant. (b) How much would it be compressed if a 94.0 kg person stands on the scale in an elevator that is accelerating upward at 1.25 m/s2?
A 2.00 kilogram package is released on a 53.1 degree incline, L =4.14 meter from a long spring with force constant 120 N/m that is attached at the bottom of the incline. Find the speed of the package just before it reaches the spring
A shell of mass m and speed v explodes into two identical fragments. If the shell was moving horizontally with respect Earth, and one of the fragments is subsequently moving vertically with speed v, find the velocity of the other fragment immediat..
An engraver uses a magnifying glass (f = 8.80 cm) to examine some work, as in the drawing. What is the distance between the work and the magnifying glass
A proton moving freely in a circular path perpendicular to a constant magnetic field takes 1.00 μs to complete one revolution. Evaluate what the magnitude of the magnetic field
A particle's acceleration is described by the function ax =(10-t)m/s^2, where t is in s. At what time is the velocity again zero
If you start with two sinusoidal waves of the same amplitude traveling in phase on a string and then somehow phase-shift one of them by 12.50 wavelengths
A concave mirror has a radius of curvature of 55 centimeter. If an object is 35 centimeter from the mirror, find what is the distance of the image formed
The displacement vector for a 15 s interval of a jet airplane's flight is (2850, -2430) meter. Evaluate the magnitude of the average velocity
To strech a spring 6.00cm from its unstreched length, 16.0J of work must be done. What is the force constant of this spring
A person jumps from a platform to the ground. The platform is 3 m high and the person's initial takeoff velocity is 10m/s at an angle of 45 degrees with respect to the horizontal. How long does it take when the person's feet touch the ground
A spring is compressed by 0.0592 m and is used to launch an object horizontally with a speed of 3.21 m/s. If the object were attached to the spring, at what angular frequency (in rad/s) would it oscillate?
Illustrate what is the maximum vertical displacement that he ball reaches during its trajectory?
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