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What will be the equilibrium temperature when a 276 g block of copper at 316°C is placed in a 130 g aluminum calorimeter cup containing 817 g of water at 11.7°C?
In the last few decades remarkable fossils have been discovered indicating that the ancestor of cetaceans
What is the magnitude of the tension in the string at the top of the new path (directly above the peg)?
While the bucket is falling, what is the force exerted on the cylinder by the axle?
State the findings of the biomolecule testing using specific data
A 16 kg loudspeaker is suspended 2.5 m below the ceiling by two cables that are each 60 degrees from vertical. What is the tension on the cables?
Is salt water isotonic, hypotonic, or hypertonic relative to the cytoplasm of sea urchin eggs?
A cannon tilted upward at theta = 32{rm ^{circ}} fires a cannonball with a speed of 92 {rm m/s}. At that instant, what is the component of the cannonball's velocity parallel to the ground?
Scientists are studying bacteria discovered the sea floor
Two meteoroids are heading for earth. Their speed as they cross the moon's orbit are 2.3 km/s. The second meteoroid misses for earth by 2680 km. What is its speed at its closest point?
What is the phase difference between the two waves then they reach the observer? Take the speed of sound as 343 m/s.
Comparison of amino acid sequences can shed light on the evolutionary divergence of related species. Would you expect all the proteins of a given set of living species to show the same degree of diver
A 7.4 g bullet leaves the muzzle of a rifle with a speed of 493.1 m/s. What constant force is exerted on the bullet while it is traveling down the 0.8 m length of the barrel of the rifle?
A cell biologist carefully measured the quantity of DNA in grasshopper cells growing in cell culture. Cells examined during the G2 phase of the cell cycle contained 200 units of DNA. What would be the
An angle of 33 from his original direction and running an additional 24 m before being tackled. a) What is the magnitude of the runner's total displacement?
Describe the major contributions of hooke and leeuwenhoek to cell biology?
What is the angular acceleration of the flywheel? What is its angular velocity after it makes 4.00 revolutions?How much work is done by the motor during the first 4.00 revolutions?
What are the types and sources of sediment that enters the ocean? Make at least 5 examples. Explain each
A 19-g bullet is shot into a 5070-g wooden block standing on a frictionless surface. The block, with the bullet in it, acquires a velocity of 2.0 m/s. Calculate the velocity of the bullet before st
Find the magnitude of the gravitational force that each part exerts on the other out in space, far from any other objects.
It is then pulled down 3.0 and released. The ball makes 17 oscillations in 16 seconds. What is its the mass of the ball?
Describe extraordinary emergence of Eukaryotic cells, while including the term endosymbiosis.
A computer hard drive disk with a diameter of 3.5 inches rotates at 7200 rpm. The "read head" is positioned exactly halfway from the axis of rotation to the outer edge of the disk. What is the tang
My teacher asked Shigella is a pathogen that is spread world wide, but what does it's shape (bacillius) have to do with it spreading? Tell me more about what type of sickness it causes.
A whirling device is launched spinning counterclockwise at 35 rad/s. It slows down with a constant angular acceleration and stops after 16 seconds. If the radius of the device is 0.038 m, what is t