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A sled is pulled with a horizontal force of 20 N along a level trail, and the acceleration is found to be 0.38 m/s2. An extra mass m = 4.0 kg is placed on the sled. If the same force is just barely
What is the predominant fuel used by muscle cells during low- or moderate-intensity activity?
Why does the splitting of carbon dioxide to form o2 and co2 not happen in either photosynthesis or respiration
The mass of a robot is 5448.0kg. This robot weighs 3616.0N more on planet A than it does on planet B. Both planets have the same radius of 1.33 x 107 m. What is the difference MA - MB in the masses
What is the potential energy stored in this capacitor when a potential difference 4.0 V is applied between the inner and outer cylinder? (k = 1/4πε0 = 8.99 × 109 N · m2/C2)
Two boxes are being lifted up onto a roof by a cable providing the force F. If F=1500 N, determine the acceleration of the boxes and the tension in the rope connecting them. Use m1=80 kg, m2=50 kg,
The reaction Hb(O2)4 -> Hb+4O2 (hb=hemoglobin fostered by all of the following except increased temperature?
Sketch a graph of the total momentum in the system of the two asteroids after the collision. Asteroid A is 500 kg going 20m/s and Asteroid B is 250 kg going 10 m/s. it's an inelastic collision.
hree charges, q1=+15.2nC q2=+15.2nC and q3=+30.4nC are fixed at the corners of an equilateral triangle with a side length of 6.75cm. Find the magnitude of the electric force on q3.
University biology department wishes to hire a scientist to work on the relationships among the wolves, moose, trees and physical features on an island. If you were charged with writing the job descri
This field changes at a constant rate from 28 mT to 49 mT in 68 ms. What is the magnitude of the induced emf in the coil at the instant the magnetic field has a magnitude of 44 mT?
Why atp is most preferred high energy compounds among the other high energy compounds?
Explain the reasoning of the steps that allow you to determine: (a) the electric potential of each sphere; (b) the electric field near the surface of each sphere; and (c) the surface charge density
It rises, in maintaining a constant 300 temperature, to an altitude where its volume has expanded five times. How much work is done by the gas during this isothermal expansion?
A rectangular loop has 85 turns with an area of 0.225 m2 and lies in a uniform magnetic field of 0.28 T. Several Physics lab students have reported that the maximum torque exerted on this loop is 1
Histroy of stem cell legislation and how does it compare to comparable statutes in the rest of the world?
Sam, whose mass is 69.0kg , takes off down a 47.0m high, 8.00 degree slope on his jet-powered skis. The skis have a thrust of 190N. Sam's speed at the bottom is 36.0m/s. What is coefficient of kine
Determine the normal force for a laundry basket with a mass of 3.4 kg in each of the following situations
The ball rises then falls until it strikes the ground. The initial velocity of the ball is 28.4 m/s. at time t= 4.3 , what is the acceleration of the ball, neglect air resistance.
What term did E. O. Wilson coin for our innate appreciation of wild environments and living organisms
An astronaut on the Mars attaches a small brass ball to a 1.00- length of string and makes a simple pendulum. She times 12 complete swings in a time of 38.4 seconds. From this measurement she calcu
Identify a group or professional in your area working in the field of biological science. Interview an individual from the organization who works directly in the biological sciences field to develop a
Some sliding rocks approach the base of a hill with a speed of 16.0 m/s. The hill rises at 44.0 degrees above the horizontal and has coefficients of kinetic and static friction of 0.420 and 0.580,
A potter's wheel is rotating at 3.2 rad/s in a counterclockwise direction. This takes 26 seconds. What is the average angular acceleration of the wheel during this time?
A point charge q1=4.00 nC is located on the x-axis=2.00m.A second point charge,q2=-6.00 nC is on the y-axis at y=1.00m. What is the total flux due to these two point charges through a spherical sur