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You drop a 105 gram piece of brass which is having the density = 8.56g/cm^3 into the water. If you have a 100.0 ml graduated cylinder having 50.0 ml of water. Explain to what height does the water
The radius of bowl is R=.600m. As the rock reaches point B at the bottom of the bowl it consists of a speed of 1.8 m/s. Determine the work done by the friction on the rock by moving from A to B?
A charge of -3.0 nC is on the x-axis at x = -10 cm and a +5.0 nC charge is on the x-axis at x = 19 cm. Determine a point on the y-axis where the electric potential is zero.
Assume y, number of cases of the disease, is decreased by 6% per year. If there are initially 10,000 cases, state y as the function of t, number of years elapsed.
A space-walking astronaut servicing an orbiting space telescope has run out of fuel for her jet pack and is floating 14.0 m from the space shuttle having zero velocity relative to the shuttle. The a
An RC circuit consists of a resistance of 100 and a capacitive capacitance of 50? (i) Will the phase angle be (a) positive, (b) zero, or (c) negative? Explain why? (ii) Determine the phase angle of
Earth's atmospheric pressure, P, in terms of height above sea level is frequently modeled by the exponential decay function. Determine atmospheric pressure at 60 km?
The ac voltage source consists of an rms voltage of 120 V. Its voltage goes from zero to the maximum value in 4.20 ms. Write down an expression for the voltage as a function of time.
Please determine the length L2, of aluminum wire (having resistivity = 2.82 x 10^-8 ohm m) at the reference temperature (To = 20 C), that consists of the same resistance as a silver wire (having res
A coil of 31.0 cm diameter includes 18 turns of circular copper wire 2.6 mm in diameter. A uniform magnetic field, perpendicular to the plane of coil, changes at a rate of 9.00 x 10-3 T/s. Find out
When the carton travels 5.20 all along the surface of the ramp, compute the work done on it by the rope, gravity, and the normal force of the ramp.
Determine output for each sector which is required to satisfy final demand of $25 million for electricity, $15 million for natural gas, and $20 million for oil.
When the lighter fragment consists of a speed of 0.844c after the breakup, determine the speed of the heavier fragment? (Suppose that the speeds are measured in a frame at rest with respect to the o
Consider a motor which exerts a constant torque of 25.0 N m to a horizontal platform whose moment of inertia is 50.0 kg m^2. Suppose that the platform is initially at rest and the torque is exerted
How many of each kind of truck must company buy? Give row reduced matrix and write the sentence interpreting meaning. Write purchasing options for company.
A crate of 20.0 kg slid down a 3.00 m long ramp inclined at 30.0° to the horizontal. i) Compute the crates change in the gravitational potential energy.
A man lifted an object of 25.0 kg from the bottom of a 0.750 meter deep hole to a point 1.50 m over the ground. i) Compute the work done in lifting the object.
At local playground a child on a swing has a speed of 3.11 m/s if the swing is at its lowest point. Determine how high vertically above the lowest point is the swing if the speed has been decreased
The half life of cesium-137 is 30 years assume we have a 10 g sample. Determine the function which models mass remaining after t years.
When the utmost height the dart can reach with the spring fully compressed is given by h, then what fraction of this height will the dart reach if the spring is compressed by 1/4 of its maximum com
A boy is running at a speed of (3.6 m/s) and grabs a rope suspending vertically from a tall tree in order to swing out over a pond. Explain how high can he swing upward?
A car of 1300 kg is traveling with a speed of 13.0 m/s on a frictionless, horizontal surface till it encounters a spring. When the car compresses the spring 63.0 cm prior to coming to rest, determin
The population of the certain species of fish has the relative growth rate of 1.2% per year it is evaluated that population in 2000 was 12 million. Determine the exponential model for population t y
Three similar resistors are joined in parallel. The equivalent resistance rises by 700 if one resistor is eliminated and joined in series with the remaining two, which are still in parallel. Determi
An animal tendon of 18 cm long was found to stretch 4.0 mm by a force of 13.3 N. The tendon was around round with an average diameter of 8.0 mm. Compute the elastic modulus of the tendon.