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you are driving down a street at 55 km/h. suddenly a child runs out into the street. If it takes you 0.75 s to apply the brakes, how many meters will you have traveled before you begin slowing down?
How might stomatal density serve as a bioindicator for monitoring the response of plants to changes in greenhouse gas concentrations in the future. (hint: what do the data say for how s
Calculate the interplanar spacing (d) of (321) plane in a simple cubic lattice with interatomic spacing a=4.21A
Two forces, F1 and F2, act at a point. The magnitude of F1 is 2.00 N, and its direction is 60.0° above the x-axis in the second quadrant. The magnitude of F2 is 5.00 N, and its direction is 53.
A 2100 kg car moving east at 10.0 m/s collides with a 3000 kg car moving north. The cars stick together and move as a unit after the collision, at an angle of 35.0° north of east and at a speed
Which type of nutritional mode requires the obtaining of nutrients from nonliving organic matter
How can you tell the difference between these two terms
1. What one vital function do both mitosis and meiosis perform for an organism? Explain. 2. List and explain two examples of when cells in a human need to undergo mitosis. What ty
Suppose a car is traveling at 11.0 m/s, and the driver sees a traffic light turn red. After 0.590 s has elapsed (the reaction time), the driver applies the brakes, and the car decelerates at 6.00 m
Three equal point charges, each with charge 1.10 mu C, are placed at the vertices of an equilateral triangle whose sides are of length 0.500 m. What is the electric potential energy U of the system?
Many reactors are sited next to large bodies of water so that they can use the water for cooling. Consider a reactor where the intake water is at 18;^circ rm C. State regulations limit the temperatu
Describe the routine measurements and observations used to monitor two body systems?
Playing shortstop, you pick up a ground ball and throw it to second base. The ball is thrown horizontally, with a speed of 20.2 m/s, directly toward point A, as shown in the figure below. When the
An electron moving in a direction perpendicular to a uniform magnetic field at a speed of 3.2x10^7 m/s undergoes an acceleration of 5.0x 10^16 m/s2 to the right (the positive x-direction) when its v
Illustrate a negative feedback loop starting with a fall in blood pressure (below the normal 120/80)
What is the equilibrium temperature when 400 grams of Ice at -5 degrees is mixed with 1200 grams of water at 28 degrees?
What vertical component of initial velocity must be given to the ball, such that it barely clears the 1.00 m high net? How far beyond the net will the ball hit the ground?
In outer space a rock of mass 6 kg is attached to a long spring and swung at constant speed in a circle of radius 7.5 m. The spring exerts a force of constant magnitude 660 N. What is the speed of t
What affects Florence Nightingale have in the microbiology world?
An electron (mass ) is accelerated in the uniform field between two parallel charged plates. The separation of the plates is 0.930 . The electron is accelerated from rest near the negative plate an
Animals always want to get the most from their resources by increasing the surface area throughout their organ systems. Please cite 5 examples and how it does this.
A superhero flies 185m from the top of a tall building at an angle of 25 degrees below the horizontal. What is the horizontal component of the superhero's displacement?
To water the yard, you use a hose with a diameter of 2.5 cm. Water flows from the hose with a speed of 1.3 m/s. If you partially block the end of the hose so the effective diameter is now 0.55 cm,
What is the role of genetic engineering in personalized medicine?