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Question: If it takes 4.00 J of work to stretch a Hooke's-law spring 10.0 cm from its unstressed length,
Part A: Determine the extra work required to stretch it an additional 10.0 cm.
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A boat came to rest at the surface of the ocean before it started to sink. Due to the resistance of the seawater, the sinking boat reached a terminnal velocity of 10m/s for 30 s . Determine the average acceleration of the ocean liner during this peri..
A block of mass 2 kg travels along a horizontal frictionless surface with velocity 3 m/s. What impulse was delivered to mass m
Calculate the orbital period of Neptune (in yr) from knowledge of G, the mass of the sun (M = 1.99*10^30 kg), and the orbital radius of Neptune of 3.00*10^1A.U
An electric fan is running on HIGH. After the LOW button ispressed, the angular speed of the fan decreases to 83.8 rad/s in1.75 s. Determine the intial angular speed of the fan
A simple circuit is set up that only consists of a 12 V battery connected to a light bulb with a resistance of 1 Ohms. What current flows through the light bulb
Assume a certain concave, spherical mirror has a focal length of 10.0 cm. What location does the image approach as the object gets arbitrarily far away from the mirror?
A person can be killed if a current as small as 50 mA passes near the heart. An electrician is working on a humid day with hands damp from perspiration. What potential difference between the two wires
Methane (CH4) is burned with the 20% dry excess air at 227C. Combustion occurs at one atmosphere. Determine the adiabatic flame temperature (C)
A piece of sandston with a bulk volume of 1.3 cc is contained ina 5-cc cell filled with helium at 760 mm Hg. Temperature ismaintained constant and the cell is opened to another evacuatedcell the same volume. The final pressure in the two vesselsis..
At what Kelvin temperature does the rms speed of the oxygen (O2) molecules in the air near the surface of the earth become equal to the escape speed from the earth
A projectile is launched from 1.5 m above the ground at some angle theta. what was its initial velocity and the angle of projection theta
An inductor is connected to an AC power supply having a maximum output voltage of 7.00 Volt at a frequency of 380 Hertz. Compute what inductance is needed to keep the rms current less than 2.50 mA
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