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The particle is located at 0.15 meter and has a velocity of 24.0 m/s towards the negaive x-axis. Write down the postion function,velocity function and acceleration function for particle.
A wire has a mass of 1.00 g/cm is placed on a horizontal surface with a coefficient of friction of 0.250. A current of 3A flows eastward inside the wire while it is moved to the north horizon
One of the two forces acting on the object is known to be ~f1 = (f1xˆi + f1y ˆ|), where f1x = 12 N, f1y = 24 N. Determine the magnitude f2 of the other force acting on the object.
Sedcrive how the molecules, organells, and tissues help the body to function?
A heavy piece of hanging sculpture is suspended by a 68-cm-long, 4.6 g steel wire. When the wind blows hard, the wire hums at its fundamental frequency of 109 Hz. what is the mass of the sculpture?
Clay minerals formed from gabbro and diorite bedrock illustrate which kind of weathering?
Tracy (of mass 49 kg) and Tom (of mass 73 kg) are standing at rest in the center of the roller rink. What is her constant acceleration during her time of contact with Tom?
A rabbit runs in a straight line with a velocity of +1.7 m/s for a period of time, rests for 12 s, and then runs again along the same line at +0.55 m/s for an unknown amount of time. The rabbit tra
if there are two presynaptic neurons that have action potentials what two conditions would be produced to increase the number of those potentials in the postsynaptic neuron
A .003 kg lead bullet travels at a speed of 240 m/s and hits a wooden post. If half the heat energy generated remains with the bullet, what is the increase in temperature of the embedded bullet?
What role does the ocean play in the long-term average state of the atmosphere?
A woman walks 255 m in the direction 30° east of north, then 190 m directly east. (a) Find the magnitude. (b) Find the angle of her displacement from the starting point (c) Find the distance she
Since eukaryotes are not having 23s rRNA, which part/component of ribosome will do peptidyl transferase activity.?
Find the mass of barium metal that must react with O2 to produce enough barium oxide to prepare 1.2 L of a 0.15 M solution of OH-
The car accelerates at 0.2 m/s2. What is the acceleration of the truck? What is the magnitude of the force exerted on the car?
The radius of a solid sphere is measured to be (6.680+/-0.24) cm, and its mass is measured to be (1.970+/-0.019) kg. Calculate the density of the sphere in kilograms per cubic meter.
Open-chain molecules can form polymers and glucose does not.
What is the magnitude of the acceleration of an electron that is 1.0 cm from the center of the bead?
Find the pressure exerted on the floor by each leg of the chair, assuming the weight is evenly distributed. Express your answer using two significant figures.
A 151 kg rocket moving radially outward from Earth has a speed of 5.03 km/s when its engine shuts off 223 km above Earth's surface. (a) Assuming negligible air drag, find the rocket's kinetic energ
In Madeleine L'Engle's children's novel "A Wrinkle in Time", the mitochondria in one of the characters start to die. Describe what would happen to people who lost their mitochondria and explain why it
What is the final temperature of the system, assuming no heat is exchanged with the surroundings? The specific heat of water is 4186 J/(kg x K).
Consider a convergent lens with a focal length f. An object is placed at a distance p=3/2 f. to the left of the lens.now place a convergent lens with a same focal length at a distance d=f behind the
A hydrogen atom has a diameter of approximately 1.07×10-10 m, as defined by the diameter of the spherical electron cloud around the nucleus. The hydrogen nucleus has a diameter of approximate
What causes the disease at the molecular level -i.e. what types of mutations would cause the myosin not to work properly and why?