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1. Review physical and chemical properties of water. How might changes in temperature affect cellular function? How might water pollution affect cellular function? How might it affect water movement in cells and plants?
2. What are roles of osmotic potential or turgor pressure in regulating water potential of plant cells? Explain your answer. Do plant cells have a negative turgor pressure? Why or why not?
a physics student swings a pail of water in a vertical circle 1.0 m in radius at a constant speed. if the water is not
The potential difference between the accelerating plates of a TV set is about 25 kV. If the distance between the plates is 1.5 cm, find the magnitude of the uniform electric field in the region between the plates.
A car starts a race from rest on a circular track and has a tangential speed of 43 m/s at the end of the third lap. The track has a radius of 91 m. what is the magnitude of its tangential acceleration
The centre of gravity of the caravan is 1.2 m above the road. Half the track (distance laterally between wheels) is 0.85 m. Calculate the maximum speed in m/s that the caravan can go round the corner without overturning or sliding.
An ideal gas is enclosed in a cylinder that has a moveable pistonon top. The piston has a mass of 4500 g and an area of 6.50 cm2 and is free to slide upand down, keeping the pressure of the gas constant.
NBA player Michael Jordan had one of the longest hang times in the league, about 0.92s. how high do they jump
A 72 kg man is riding on a 40 kg cart traveling at a speed of 2.5 m/s. What is the resulting change in the cart's speed, including sign
Two air track carts move along an air track one behind the other. Cart A has a mass of 0.450 kg and moves toward the right with a speed of .850 m/s and behind cart A is cart B. It has a mass of 0.300 kg and moves toward the right with a speed of 1.23..
question a student measures the time of one wavepeak to be 0.00450 seconds and the time of the next peak to be 0.00900
the components of an airplane's motion are described as: 193 m/s west and 151 m/s south. determine the speed of the airplane
In a series R-L-C circuit, L=.165H C=85.0uF and the voltage amplitude of the source is 200V. What is the resonace angular frequency of the circuit
Visible light passes through a diffraction grating that has 900 slits per centimeter, What is the difference between these wavelengths
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