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Suppose you have a mass m attached to a spring with constant k (N/m). The mass rests on a horizontal frictionless surface. Its equilibrium position is at x=0. It is pulled aside a distance A and released. a) What is its speed as it passes the position x=0? b) What is the net force on the mass at position x=A? c) Do you expect the mass to have SHM? d) What is it speed when x=A/4? Please show work for each part so I can understand the problem.
Dust particles are pulverized rock, which has density 2500 kg/m3. They are approximately spheres 20 ?m in diameter. what is the root-mean-square speed (thermal speed) of a dust particle at 60°C
A weather balloon filled with helium gas has a volume of 279 m3, What is the new volume of the balloon
A candle is placed 16.0 cm in front of a convex mirror. When the convex mirror is replaced with a plane mirror, the image moves 7.5 cm farther away from the mirror. Find out the focal length of the convex mirror.
A soccer player kicks a ball from ground level with an initial velocity of 25 m/s at an angle of 30° above the horizontal. What is the highest point in meters that the ball will reach
What frequency will hear after the train passes
Hexane (C6H14) burns with air (21 % O2, 79 % N2) in stoichiometric proportions. Also determine the mole fraction of each species in the product mixture
A crate is sliding down a ramp that is inclined at an angle of 25.2° above the horizontal. Find the acceleration of the moving crate
A decade before Einstein published his theory of relativity, J.J. Thomson proposed that the electron might consist of small parts, Find the total electric potential energy of this arrangement
The battery of a pocket calculator has a voltage of 4.0 V and devilers a current of 0.17 mA, How much energy does the battery deliver to the calculator circuit
q1. 1.76- block at rest on a ramp of height. while the block is released it slides without friction to the bottom of
During this process the arrow's deceleration has a magnitude of 1600 and the block's acceleration has a magnitude of 450. Explain how long does it take for the arrow to stop moving with respect to the block?
In a carnival they often have a large r = 16 m, cylinder which people stand against the outer wall while it rotates with some velocity, What is the minimum velocity of the cylinder to make someone "stick" to the wall in m/s
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