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At what time is the water mass greatest, and (b) what is that greatest mass? What is the rate of mass change at(c) t = 1.9 s and (d) t = 5.0 s?
The block has a mass of 5 kg and rests on the smooth plane. Determine the unstretched length of the spring.
What are the horizontal and vertical components of the velocity of the package just after it is droped from the plane?
What is the fundamental frequency for this string? Find the mass per unit length of the string.
What is the period of the oscillation? Write out the position, velocity and acceleration equations for the box's motion.
If the ladder is on the verge of slipping when Skid is 9 m up the ladder, calculate the coefficient of static friction between the ladder and the ground.
What is the moment of inertia about the y-axis for the system as shown. The stick has a length of 2L and a mass of M.
Calculate the velocity of the center of mass of the Skid/Mitch system.
The block starts from rest and travels 30 m in 6 s. Calculate the tension in the rope.
What is the magnitude and direction of the initial velocity of the baseball?
Calculate the angle between the two vectors given by: b = 3i - 2j - 8k , c = i - 5j + 4k.
At t = 1 s the position of the object is at 10 m. Calculate the acceleration equation and position equation for the object.
Convert the following using your unit conversion sheet. For your answers, use correct scientific notation when appropriate.
He completely misses the rabbit he was shooting at and the arrow plunges into the ground 150 m away. Calculate the initial velocity of the arrow.
Explain how noise canceling foam or paneling works. Why does it have the shape that it does? Does it matter what material it would be made out of?
The angle of refraction is 35o. What is the index of refraction of the plastic?
Determine the normal force between the surface and the skateboard wheels if the combined weight of the person and the skateboard is 150 lb.
A 10 ohm resistor and a 20 ohm resistor are connected in parallel. What is the equivalent resistance of this setup?
How far from Grand Bahama is the hurricane 4.50 h after it passes over the island?
If the flow measured by this meter is 1.25 x 10-6 m3/s, calculate the limiting error in percent. Comment upon the results.
Calculate the initial energy density in the capacitor at t = 0, expressed in terms of the strength of the electric field in the capacitor E.
What is the Enthalpy of the steam discharged into the condenser and the thermal efficiency of the cycle.
Locate the initial and final states on a sketch of the ?? - ?? diagram. Determine the mass of vapor present at the initial and final states, each in kg.
Calculate the vertical hydrostatic load on the 5100-lb empty shipping container in Figure subjected to a tsunami inundation height of 3'.
The direction of the electric field is the direction connecting the center of the line to the point of measurement.