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A spring with spring constant k = 400 N/m is used to launch a mass m = 2.0 kg up a frictionless inclined plane having an angle of elevation θ= 37o. What is the maximum vertical height reached above the starting elevation (the ground) of the mass during the motion of the mass if the spring is compressed a distance d = 0.2m before the launch? Assume no friction during the motion and use g = 10 m/s2.
A compound microscope has an objective lens with a 2.2 cm focal length and an eyepiece with a 5.4 cm focal length. what magnification does the microscope produce
Imagine that you have a solid cylinder (M = 2 kg, R = 0.1m, I =12MR2) and have wound a very light wire around it many times. You then attach a block of mass m = 1kg to the end of the wire, and allow the block to fall (starting from rest), unwinding t..
At a large business, employees must report to work at 7:30 A.M. The arrival times of employees is approximately symmetric and mound-shaped with mean 7:22 A.M. and standard deviation 4 minutes.
A red ball is thrown down with an initial speed of 1.2 m/s from a height of 25.0 meters above the ground. Then, 0.6 seconds after the red ball is thrown, What is the maximum height the blue ball reaches
A 78 person sits on a 3.6 chair. Each leg of the chair makes contact with the floor in a circle that is 1.0 in diameter. Find the pressure exerted on the floor by each leg of the chair
A jetliner is moving at a speed of 274 m/s. The vertical component of the plane's velocity is 54.0 m/s. Conclude the magnitude of the horizontal component of plane's velocity.
One car has twice the mass of a second car, but only half as much kinetic energy. When both cars increase their speed by 6.0m/s, What were the original speeds of the two cars
A 60.0 cm long organ pipe is filled with air and is open at both ends. What is the wavelength of the fundamental frequency
an electron is accelerated from rest through a potential difference 1200 v. give the electrons kinetic energy after
an object is moving with velocity 18.8 ms along a line making an angle of 218deg measured counterclockwise from the x
A 24.0 g copper ring at 0.000°C has an inner diameter of D = 2.54000 cm. An aluminum sphere at 103.0°C has a diameter of d = 2.54508 cm. What is the mass of the sphere
orb spiders make silk with a typical diameter of 0.15. a typical large orb spider has a mass of 0.50 .a if this spider
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