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Determine the coefficient of static friction among the box and the loft? When the coefficient of kinetic friction is 20 percent less than the coefficient of static friction, determine what would the
Compute the maximum gravity anomaly at ground level over a buried anticlinal structure, modeled through a horizontal cylinder having radius 1000 m and density contrast 200 kg/m^3, if the depth of th
A particle of 20 g is undergoing simple harmonic motion having amplitude of around 2.0 x 10-3 m and a maximum acceleration of magnitude 8.0 x 103 m/s2. The phase constant is -p/2 rad. (i) State an equ
A football player pushed a blocking sled of around 65 kg having a constant horizontal force of 450 N. The coefficient of kinetic friction among the sled and ground is around 0.4. i) Determine how mu
A simple harmonic oscillator comprises of a block of mass of around 3.10 kg joined to a spring of spring constant 140 N/m. If t = 1.00 s, the position and velocity of the block are x = 0.129 m and
If an AC generator is joined across a 9 O resistor, the rms current in the resistor is around 16 A. Determine the following. i) The rms voltage across the resistor (V)
Is the buoyant force acting on the first object bigger than or equivalent to the buoyant force acting on the second object? Please describe.
Suppose that a specific person's skin is found to encompass a resistance of around 0.5 x 105 when dry and 1300 when wet. Determine how much current will flow into the body on contact with a 120 V ho
Supposing that the gravitational acceleration surrounded by a homogeneous spherical shell is zero, illustrate that the gravitational acceleration within a homogenous uniform solid sphere is proporti
At 0.10 s after the connection is made, determine the rate at which energy is being stored in the magnetic field?
A mass of 2 kg is joined to a spring suspending from the ceiling. The mass is released and starts to fall. Determine how far does the spring stretch and determine the force on the spring if it is co
A rifle having a weight of around 30 N fires a bullet of 5.0 g having a speed of around 300 m/s. (i) Determine the recoil speed of the rifle. (ii) When a man of 700 N holds the rifle firmly against
In the year 2009, the US generated electrical power at the scale of around 1.2 terra-watts. Compute the per capita electrical power in the US (this is equal to the amount of power needed per individ
A nuclear power reactor produces 4.00*10^9 W of power. In 1-year, determine the change in the mass of the nuclear fuel due to the energy being taken from the reactor?
When each particle is moving at a speed of around 0.50 c relative to the laboratory before the collision, find out the energy of the electromagnetic radiation.
Assume that it is moving at a speed of around 0.970c and an observer who is stationary in a laboratory measures the lifetime of a particle to be 2.50*10^-8 s. (i) Determine the lifetime according to
Relative to the stationary reference frame fixed to the laboratory, the particle travels at a distance of around 1.16*10^-3 m before disintegrating.Determine the distance evaluated by a hypothetical
The arrangement is initially vertical and stationary. The combination is free to pivot around the bottom end of the rod after being given a slight nudge. After the combination rotates via 90 degrees
The oil floats on the top of water, and the open surface of the oil is at a height h over the bottom of the vessel. Determine the height, h, when the pressure at the bottom of the water is 11 kPa mo
A proton and antiproton, both primarily at rest, annihilate each other, generating two gamma ray photons. Determine the frequency of one of the photons?
A common nucleus employed in PET scans is which it consists of a half-life of 110 min. Determine what fraction of the original activity remains in the body after 8 h?
Alpha particles having an RBE of 17 deliver 83 mrem of radiation to the patient. Determine what dose does the patient receive? Deduce your answer in rad.
A swimming pool of 4.0 m wide is filled to the top. The bottom of the pool becomes fully shaded in the afternoon if the sun is 21o above the horizon. Determine how deep is the pool?
Burning one metric ton (that is, 1000 kg) of coal can yield energy of around 3.30 x 1010 J. Fission of one nucleus of uranium-235 yields an average of around 208 MeV. Determine what mass of uranium g
When the tennis ball and racket are in contact for 7.00, determine the average force which the racket applies on the ball?