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A sanding disk with rotational inertia 2.4 10-3 kg·m2 is attached to an electric drill whose motor delivers a torque of 8 N·m about the central axis of the disk. What are the following
When a force of 6.0 N is applied, pulling the spring to the right, the elongation of the spring is 0.030m from it's equilibrium position. What is the force constant of the spring?
How are the routes of water gain and loss from the body regulated?
The general Kepler orbit is given in polar coordinates by r(phi) = c/[1 + epsilon*cos(phi)]. Rewrite this in Cartesian coordinates for the cases that epsilon = 1 and epsilon > 1 showing that if
What is the objectives of biogeochemical cycle
Determine which balls are positively charged, which are negatively charged, and which are neutral if: 1. Balls A and C feel no forces between each other.
A small, 300g cart is moving at 1.60m/s on an air track when it collides with a larger, 5.00 kg cart at rest. After the collision, the small cart recoils at 0.840 m/s. What is the speed of the larg
A certain lightbulb has a tungsten filament with a resistance of 21.2 Ω when at 20.0°C and 136 Ω when hot. Assume the resistivity of tungsten varies linearly with temperature even o
A 0.700-V potential difference is maintained across a 1.50-m length of tungsten wire that has a cross-sectional area of 0.600 mm2. What is the current in the wire?
Which of the following structures is the last one that sensory information would encounter during visual processing?
Damage to DNA can be caused by absorbed by thymine in DNA, causing interbase covalent bonds
Explain the various anti predators defenses in birds and mammals
A child goes down a playground slide with an acceleration of 1.22 .Find the coefficient of kinetic friction between the child and the slide if the slide is inclined at an angle of 31.0 below the ho
A trapeze artist swings in simple harmonic motion with a period of 4.2s. The acceleration of gravity is 9.81m/s2. Calculate the length of the cables supporting the trapeze.
The torque is applied for 12.0 . Neglect friction. What is the rotational kinetic energy of the platform at the end of the process described above?.
What provides the shortest-term mechanism for preventing acid-base imbalances in the body? The longest-term mechanism? Describe each in detail.
A mountain climber, in the process of crossing between two cliffs by a rope, pauses to rest. She weighs 549 N. As the drawing shows, she is closer to the left cliff than to the right cliff, with th
The Huygens probe landed on Titan and searched for life. Spacecraft landed on Mars also searched for life. What will be the consequences for medicine, biology, philosophy and religion if plant or bact
Mutations in these genes lead to transformations in the identity of entire body parts:
Which base pairs of DNA react to the giemsa dye and turn dark in color?
The electrons are projected into this region at an angle θ to the plates as shown above. Assume that the entire apparatus is in vacuum and that Vp > Vg. Display all results in terms that i
Compare and contrast homolactic and heterolactic fermentation pathways
A 300g block on a 58.0cm -long string swings in a circle on a horizontal, frictionless table at 75.0rpm. What is the speed of the block? What is the tension in the string?
What is the difference between a monohybrid cross and dihybrid cross?
What happens to the ATP and how is it used in the process called chemiosmosis?