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a) when a 0.350 kg mass is hung on the end of a spring, the spring is observed to stretch by an amount of 12.0 cm in coming to a new equilibrium position. what is the force constant of the spring?
b) the mass is then pulled down a further 8.0 cm and released, and oscillates up and down in simple harmonic motion. what would be the frequency of the motion in Hz, and what is the maximum acceleration?
c) what would be the displacement from equilibrium at time t=1.0 s after release?
A small plane is flying directly west with an airspeed of 34.0 m/s. The plane flies into a region where the wind is blowing at 11.0 m/s at an angle of 33° to the south of west. what is the ground speed of the airplane
Two narrow slits are illuminated by a laser with a wavelength of 537 nm. The interference pattern on a screen located x = 5.50 m away shows that the second-order bright fringe is located y = 6.00 cm away from the central bright fringe. Calculate the ..
A 66-g ice cube at 0°C is placed in 865 g of water at 26°C. What is the final temperature of the mixture
A person drives a car around a circular cloverleaf with a radius of 64 m at a uniform speed of 10 m/s. What is the acceleration of the car
Water is flowing through a V-shaped weir, which has a 30° vertex. What is the distance from the surface of the water to the vertex
A negatively charged ball having a mass of 10 grams falls from rest in vacuum from a height of 3 meters in a uniform vertical electric field of 104 N/C. find Is the electric field pointing up or down
A solenoid made out of 3500 turns of a fine silver wire about a tube 1cm in radius has a potential drop of 3.2V at a current of 2A in the lab. What is the cross-sectional area of the wire
find the net rate of radiation by a pot at 35.7°C that has been placed in a -23.9°C freezer. The pot's surface area is 0.111 m2 and its emissivity is 0.655.
An iron bolt is used to connect two iron plates together. The bolt must withstand shear forces up to about 3150 N. Calculate the minimum diameter for the bolt
a block is at rest on the incline shown in the figure. the coefficients of static and kinetic friction are mus 0.75
A certain circuit consists of an inductor of 50 mH in series with a resistor of 180 ?. How long will it take for the current to fall to 7.6 A
A football player kicks a 0.41-kg football initially at rest;and the ball flies through the air. what is the football's change in momentum
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