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A force vector has a magnitude of 580 newtons and points at an angle 39o of below the positive x axis. What are (a) the x scalar component and (b) the y scalar component of the vector.
How does the electric catfish transport oxygen and nutrients?
A sound wave moving through water has a frequency of 256 and a wavelength of 5.77 What is the sound of speed in water?
A 700 g block is released from rest at height h0 above a vertical spring with spring constant k = 455 N/m and negligible mass. The block sticks to the spring and momentarily stops after compressing
A laser light of ! =633 nm shines on a wire and diffraction patterns is found on a screen 1m away. The distance between the first two bright fringes is 8cm find the diameter on the wire.
The ends of the molecule become singly ionized: negative on one end, positive on the other. The helical molecule acts like a spring and compresses 1.27% upon becoming charged. Determine the effectiv
a. How many breaths per minute does a resting person need to take to provide the necessary oxygen? b. How many molecules does a resting person inhale per breath?
Laser light with a wavelength of 670 nm illuminates a pair of slits at normal incidence. What slit separation will produce first-order maxima at angles of plus or minus 35 degrees from the incident
In an animal, a structure made up of one or more type of cells that are organized in a specific pattern and that carry out in a particular function is called?
What is the function of topoisomerase? What is the function of topoisomerase?
Derive the general expression for the work per kilomole of a van der Walls gas in expanding revesibly and at a constant temperature T from a specific volume V1 to a specific volume V2.
Explain the process of muscle contraction and how a neuromuscular blocking agent, such as metubine, would interfere with muscle contraction.
A graduated cylinder contains 18.0 m/L of water. What is the new water level after 35.6 g of silver metal with a density of 10.5 g/mL,is submerged in the water?
What cause liquid in glass to move with sodium bicarbonate solution and twig of elodea
The nurse empties the syringe in 2.4 s. What is the flow speed of the medicine through the needle?
What is the symmetry of lungfishes? What is the symmetry of lungfishes?
What does it mean when two sets of chromosomes are homologous?
The conductor on the stationary train hears a 3.5 Hz beat frequency when the other train approaches. What is the speed of the moving train?
How does climate influence bone preservation in different regions
A rope is attached from a truck to a 1466 kg car. The rope will break if the tension is greater than 2381 N. Neglecting friction, what is the maximum possible acceleration of the truck if the rope
What is the net and gross output of glycolysis?
Two carts with masses of 4.5 kg and 3.9 kg move toward each other on a frictionless track with speeds of 5.6 m/s and 4.3 m/s, respec- tively. The carts stick together after colliding head-on. Find t
How can you hybridization be used to produce plants with characteristics needed to increase food production?
A 140 g copper bowl contains 205 g of water, both at 20.0°C. A very hot 300 g copper cylinder is dropped into the water, causing the water to boil, with 4.95 g being converted to steam. The fin
Suppose the moon were closer to Earth. How would the force of gravity between Earth and the moon be different?