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A 200 g ball attached to a spring by spring constant 2.70 N/m oscillates horizontally on afriction less table. Its velocity is 20.0 cm/s when x=-5.00 cm.
a. What is the amplitude of oscillation?
b. What is the speed of the ball when x=3.00 cm?
0.0024 J of energy are stored in a parallel-plate capacitor whose plates each have area 0.30 m2 and are 1.5 mm apart. What is the electric field energy density between the plates
An object with total mass mtotal = 14.5 kg is sitting at rest when it explodes into three pieces. Calculate the increase in kinetic energy of the pieces during the explosion
A highway curve of radius 440 is designed for traffic moving at a speed of 85.0 . What is the correct banking angle of the road
A constant magnetic field of magnitude 0.45 T is directed along the +y axis. The length of each rod is L = 1.3 m, and the speeds are the same, vA = vB = vC = 2.7 m/s. For each rod, find out the magnitude of the motional emf, and indicate which end..
Two particles each weigh 1.03 N. Find the magnitude of their mutual gravitational force when they are separated by a distance of 21.1 cm
A 0.65 percent C hypoeutctoid plain carbon steel is slowly cooled from about 950°C to a temperature just slightly above 723°C. calculate the weight percent austenite and weight percent proeutectoid ferrite in this steel. Explain it.
A 1200 kg ore cart is rolling at 10.8 m/s across a flat surface. A crane dumps 888 kg of ore (vertically) into the cart. How fast does the cart move after being loaded with ore
The top of Mt. Everest is 8750 m above sea level. Assume that sea level is at an average Earth radius of 6.38×10^6 m. What is the magnitude of gravitational acceleration at the top of Mt. Everest? Mass of the Earth is 5.97×10^24 kg.
a base for a building column measures 18.0 in. by 18.0 in. on a side and 12 in. high. compute the cross-sectional area in both square inches and square millimeters. compute the volume in cubic inches, cubic feet, cubic millimemters, and cubic mete..
An electric ceiling fan is rotating about a fixed axis with an initial angular velocity magnitude of 0.230rev/s . The magnitude of the angular acceleration is 0.893rev/s^2 . Both the the angular velocity and angular accleration are directed clockw..
an x-ray photon of wavelength 150.0 pm is absorbed by a stationary helium atom.a what is the momentum of the photon?b
Phobos is a moon of mars with a diameter of 22.5 km and a mass of 1.08 x 10^16 kg. It is located at a distance of 9,377 Km from Mars. what is the center of mass for the Mars-Phobos System
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