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A straight rod of polymer is 10mm in diameter (2r) and 1m long. The polymer behaves in a linear viscoelastic manner with a tensile creep compliance that can be well approximated by J(t) = (2-e^-0.1t)GPa-1, where t is in hours. The rod is suspended vertically and a mass M of 10 kg is hung from it. Find the change in length after 1) 1 hour 2) 10 hours
What is the acceleration due to gravity on this planet if the length of the pendulum is 1.00 m?
Entrance and exit ramps for freeways are often circular stretches of road. As you go around one at a constant speed, you will experience a constant acceleration. Suppose you drive through an entrance ramp at a modest speed and your acceleration is 2...
A parallel plate capacitor with adjustable plate separation d and adjustable area A is connected to a battery. The capacitor is fully charged to Q Coulombs and a voltage of V Volts. (C is the capacitance and U is the stored energy.) Give all correct ..
A water hose of internal diameter 12.5 mm is used to fill a bucket. It is noted that 8L of fresh water (about 2 gallons) is collected in 1 minute. what is the rate of flow expressed as m^3/sec
A refrigerator has a coefficient of performance equal to 6.00. The refrigerator takes in 150 J of energy from a cold reservoir in each cycle, Find the work required in each cycle
If the coefficient of kinetic friction between a 35.0 kg crate and the floor is 0.25, what horizontal force is required to move the crate at a steady speed across the floor
A 2.16 kg block on a horizontal floor is attached to a horizontal spring that is initially compressed 0.0320 m. The spring has force constant 840 N/m.
When a mass m is hung a spring the spring stretched 6.0cm. What is the period of vibration if it is then pulled down a little and released
A thin rectangular plate of uniform density is 2.81 kg/m2 has a length a = 32.1 cm and a width b = 21 cm. The lower left corner is located at the origin. Calculate the x coordinate of the object's centre of mass
A suction cup works by virtue of a vacuum that is created within the cup. When the cup is pressed against a flat surface, most of the air is forced out, what is the pressure inside the suction cup
1. an aluminum block weighs 12n in air and 8n in water. what is the mass of the block?2. how much energy would it take
bruce places a 2.0kg block over a small hole on a table. he then puts a gun under the table and shoots a 35.0g bullet
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