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1. Irina of mass 85.00 kg float in fresh water .What her approximate volume in m^3. (Human density is about 1000 kg/m^3
2. A 10 cm long spring extend to 12 cm when a 1 kg load is suspended from it . What would be its lenght if a 3 kg load were suspended from it
3. In a one dimensional elastic collision of two identical masses the masses exchange velocities . True /False
4. Calculate the centripetal acceleration of a 2 kg mass ( in m/s^2 ) if it is attached to a 0.5 m rope and revolves at a speed of 15 m/s
A 2.71 kilogram bucket is attached to a disk-shaped pulley of radius 0.115 meter and mass 0.787 kilogram. Calculate what is the angular acceleration of the pulley
What is the difference between momentum by convective transport and momentum by molecular transport?
a supertanker with the mass of 3.34^7 kg is moving with a constant velocity .its engines generate a forword thurst of 5.38x10^5 n. determine the magnitude of the upward buoyant force exerted on the tanker by the water
There is a uniform charge distribution of lambda = 4.699·10–8 C/m along a thin wire of length L = 18.01 cm. The wire is then curved into a semicircle that is centered about the origin, so the radius of the semicircle is R = L/pi. Discover the magnitu..
A non conducting thin spherical shell of radius 6.36 cm has a uniform surface charge density of 8.23 nC/m2. What is the total charge on the shell?
In a simple electric generator, a circular loop of 950 turns, radius 0.060 m, rotates within a uniform magnetic field. What is the magnetic field strength if an average emf of 0.065 V is induced when the coil rotates from parallel-to-the-field to ..
A soccer ball, which has a circumference of 70.0 , rolls 11.0 in 3.30. What was the average angular speed of the ball during this time
Two flat surfaces are exposed to a uniform, horizontal magnetic field of magnitude 0.40 T. Determine the area of the first surface
What is its velocity when it reaches the maximum height.
A 15.0-kg block rests on a horizontal table and is attached to one end of a mass less, horizontal spring. By pulling horizontally on the other end of the spring, someone reasons the block to accelerate uniformly and reach a speed of 5.00 m/s in 0.390..
A roller-coaster car may be represented by a block of mass 50.0kg. Find an expression for the kinetic energy K of the car at the top of the loop
A jet airplane flying from Darwin, Australia, has an air speed of 256 m/s in a direction 5.0° south of west. What is the magnitude of the velocity of the airplane relative to the Earth in m/s
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