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A 2.20 kg bucket containing 10.0 kg of water is hanging from a vertical ideal spring of force constant120 N/m and oscillating up and down with an amplitude of 3.00 {\rm cm}. Suddenly the bucket springs a leak in the bottom such that water drops out at a steady rate of 2.00 {\rm{ g/s}}.
a) When the bucket is half full, find the period of oscillation.
b) When the bucket is half full, find the rate at which the period is changing with respect to time.
c) What is the shortest period this system can have?
A rookie quarterback throws a football with an initial upward velocity component of 15.33 and a horizontal velocity component of 20.4. Overlook air resistance.
protons are projected with an initial velocity v0 = 10410m/s into a region where a uniform electric field E = 710 N/C is present. The protons are to hit the target that lies a horizontal distance of 1.27mm from the point where protons are launched..
In the system shown in the figure below, a horizontal force F with arrowx acts on an object of mass m2 = 8.60 kg. The horizontal surface is frictionless. Consider the acceleration of the sliding object as a function of Fx.
A sound wave traveling at 341m/s is emitted by foghorn of a tugboat. An echo is heard 3.30s later.
given the following vectors a is 25lbs at an angle of 30 degrees clockwise from the x-axis and b is 42lbs at an angle
What is its velocity at impact? What will its average velocity be? What will its average speed be.
question1two cars drive on a straight highway. at time t0 car 1 pass mile marker 0 travelling due east with a speed of
A 110 volt hair dryer has 2 settings: 850 watts and 1250 watts. Determine the resistance of the dryer for both settings
A 54-kg pole vaulter running at 11 m/s vaults over the bar. Her speed when she is above the bar is 1.7 m/s, determine her altitude as she crosses the bar
A bullet moving horizontally with a speed of 500 m/s strikes a sandbag and penetrates a distance of 10 cm. What is the average acceleration of the bullet while it is in the sand bag
A 3.07 kg particle has a velocity of (3.10 i hat - 4.04 j hat) m/s. Find the magnitude and direction of its momentum
If 45 g is suspended at 25 degree, 105 g is suspended at 85 degree, and 65 g is suspended at 330 degree, what mass must be suspended at what angle to balance these three forces?
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