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Explain the role of the liver, intestinal bacteria, vitamin K, clotting factors and calcium ions in the process of blood clot formation.
A magnetic field of 75 mT that is oriented parallel to the current in the 13 m side of the triangle. Compute the net force on the loop by working out the force exerted on each side and summing.
Suppose after charging a 2.1 µF capacitor to 9 V, you connect it to the second uncharged capacitor of 14 µF. What voltage will your voltmeter read across the second capacitor after repe
A 0.68 {rm kg} mass at the end of a spring vibrates 4.0 times per second with an amplitude of 0.13 {rm m}. Determine the velocity when it passes the equilibrium point.
If a beetroot cilynder was placed in a test tube of 0.5% saponin at 20oC anf left for 30 minutes, what would you expct to observe? why?
On a very muddy football field, a 100 linebacker tackles an 75 halfback. What is the direction of this velocity?
On another planet a simple pendulum consisting of a 0.151 kg mass suspended on a 1.2 m long string has a period of 3.860 seconds. What is the acceleration on this planet?
explain each step of the method as it applies to your web experiment and real life example paper must include two explanations of scientific methods
A projectile is fired horizontally from a gun that is 47.0 m above flat ground, emerging from the gun with a speed of 250 m/s.
A coin is placed 32 cm from the center of a horizontal turntable, initially at rest. The turntable then begins to rotate. When the speed of the coin is 100 cm/s (rotating at a constant rate), the co
Assume that the platform is initially at rest and the torque is applied for 12.0 rotations. Neglect friction. What is the rotational kinetic energy of the platform K_rot,f at the end of the process
Determine (a) the velocity when it passes the equilibrium point, (b) the veolocity when it is 0.10 m from equilibrium, (c) the total energy of the system, and (d) the equation describing the motion
Where does enzymatic hydrolysis of the macromolecule occur in food?
The center of a 1.50 diameter spherical pocket of oil is 1.00 beneath the Earth's surface. Estimate by what percentage directly above the pocket of oil would differ from the expected value of for a
What is the maximum compression of the spring, and at what compression of the spring does the box have its maximum speed?
The area of the piston in the master cylinder is 1.75 cm2, and that of the piston in the brake cylinder is 6.4 cm2. The coefficient of friction between shoe and wheel drum is 0.50. If the wheel has
Kicking the skateboard forward at 8.0 m/s. How fast is Dan going as his feet hit the ground? Dan's mass is 60 kg and the skateboard's mass is 5.0 kg.
If a solution has a pH of 7.5, what would its new pH be if the concentration of H3O+ ions in the solution were increased by 100 times? Explain your reasoning.
What is the smallest angle θ between 15.0degree and 90.0degree at which a standing wave exists on the cord??
If the horizontal component of the Earth's magnetic field at the equator is 30 microTeslas, calculate the ratio of the magnetic force on the proton to the gravitational force on it.
Which of the following sequences of organization is likely to be seen in a multicellular organism, going from smallest to largest?
A wooden raft has a mass of 67 kg. When empty it floats in water (density 1000 kg/m3) with 51% of its volume submerged. What mass of sand can be put on the raft without it sinking?
A 67 {rm kg} swimmer climbs onto a Styrofoam block whose density is 160 {rm kg/m^{3}}.If the water level comes right to the top of the Styrofoam, what is the block's volume?
For a substrate to bind to a particular enzyme the size and shape of the substrate must match the what of the enzyme?
A moon orbits a planet because of the gravitational force between them. Likewise, each body also experiences a tidal force due to gravity. Consider how the magnitude of the tidal force changes as th