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What does the smooth endoplasmic reticulum do in the plant and animal cells?
A spelunker is surveying a cave. She follows a passage 150m straight west, then 290m in a direction 45° east of south, and then 280 m at 30° east of north. After a fourth unmeasured displacement, s
If a bullet that leaves the muzzle of a gun at 324 m/s is to hit a target 84.0 m away at the level of the muzzle, the gun must be aimed at a point above the target. How far above the target is this
A charge of -2.55 nC and a charge of -5.25 nC are separated by a distance of 40.0 cm. Find the position at which a third charge of +7.90 nC can be placed so that the net electrostatic force on it i
A rifle with a weight of 30 N fires a 5.0-g bullet with a speed of 300 m/s. (a) Find the recoil speed of the rifle. (b) If a 700- N man holds the rifle firmly against his shoulder, find the recoil
Consider the HIV enzyme called protease. The amino acid residues at the active site are highly hydrophobic. In designing a drug that would bind to the active site and jam it, researchers should use wh
The largest passenger ship still in service is the SS Norway, which has a mass of 7.6 × 107 kg. The force required to accelerate the SS Norway from rest to its top cruising speed of 33 km/h is
The bullet strikes the block and becomes embedded in it. After the collision the combined object swings on the end of the cord. When the block has risen a vertical height of 0.825 m, the tension in
Neglect air resistance, as well as any energy absorbed by the pole, and determine her altitude as she crosses the bar.
The greatest change in color? The greatest change in color?
A 4 kg body moving with a speed of 2 m/s collides with a spring bumper of negligible mass and force constant 100 N/m. What is the maximum compression of spring?
What is the difference between somatic cells and autosomes
The Stanford linear accelerator contains hundreds of brass disks tightly fitted into a steel tube (see figure). The coefficient of linear expansion of the brass is 2.00 10-5 per C. The system was a
In addition, the snow exerts a retarding force on the sled that points opposite to the direction of motion, and has a magnitude of 57 N .Find the acceleration of the sled and child.
What is DPIP and what does it have to do with Photosynthesis?
The reason the colored rays are dispersed so that you can see individual colored rays is due to the (index of reflection/index of refraction/index of polarization) is different for each color of th
If the slit separation is increased by a factor of 3, what would be the distance between the principal peaks on the screen?
When the block has risen a vertical height of 0.825 m, the tension in the cord is 4.60 N. What is the initial velocity of the bullet.
What is the function of the single stranded RNA in certain animal viruses?
A plastic rod is rubbed with a cloth, and in the process it acquires a charge of -2.3×10-8 C. A) Did the mass of the rod increase or decrease?
The prominent tendons you can palpate at the popliteal fossa arise from
A train at a constant 46.0 km/h moves east for 41.0 min, then in a direction 51.0° east of due north for 21.0 min, and then west for 51.0 min. What are the (a) magnitude and (b) angle (relative
Light that contains all wavelengths between 464 and 636 nm shines on the grating. Calculate the width of the dark area between the first and second order spectra on a screen 3.3 m away.
Central dogma of reproductive biology states that female mammals do not produce eggs after birth. provide the contrary evidence with respect to stem cells.
Assess each of the four main types of airfoils for function and purpose. Note: Be sure to include how each impacts lift and drag, as well as what type of aircraft is best suited for each. Provide t