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Another charge q2=+4.58 micro coulomb from the point x=+0.200 m, y=0 moves to x=+0.100 m, y=+0.100 m. how much work is done by the electric force on q2?
How can hybridization be used to produce plants with characteristics needed to increase food production ?
Find the magnitude and direction of the force that our planet's magnetic field exerts on this wire if is oriented so that the current in it is running (a) from west to east.
The magnitude of the external magnetic field is changing at a rate of ΔB/Δt = 0.883 T/s, thereby inducing a current in the coil. Find the magnitude of the magnetic field at the center of
What is the magnitude of the force on an electron that is in the region between the plates at a point exactly 2.52 mm from the positive plate?
Which group was forced to come to america
An airtight box has a removable lid of area 1.00 10-2 m2 and negligible weight. The box is taken up a mountain where the air pressure outside the box is 7.00 104 Pa. The inside of the box is comple
A Geiger counter is a device used to detect ionizing radiation (radiation which is powerful enough to ionize an atom). What is the electric field at the inner surface of the cylinder?
Charge of uniform density (80 nC/m^3) is distributed throughout a hollow cylinder region formed by two coaxial cylindrical surfaces of radii 1.0 mm and 3.0 mm. Determine the magnitude of the electr
Determine the electric potential as a function of distance r from the center of the sphere for A) r>ro, B) r<ro. Take V=0 at r=infinity. C) Plot V versus r and E versus r.
An alpha particle (m = 6.7 x 10^-27kg, q = +3.2 x 10^-19C) has a speed of 20km/s at point A and moves to point B where it momentarily stops. Only electric forces act on the particle during this mot
The charge on an electron is 1.6 × 10-19 C and the Coulomb constant is 8.99 × 109 N · m2/C2. How many electrons have been removed from the sphere to raise it to this potential?
Three point charges, two positive and one negative, each having a magnitude of 20 uC are placed at the vertices of an equilateral triangle (30 cm on a side). What is the magnitude of the electrosta
How do i draw the two stages of photosynthesis using the words thylakoids, calvin cycle, co2, nadp+, granum stroma light reactions, light, h2o, sugar, atp, o2, adp+p
Estimate the height of the shoulders above the ground and the radius of their arm reach. Draw a free body diagram of the forces acting on the dancer on the right, using T for tension and N for the n
Consider the "luggage"-pulling demonstration with Deena pulling Annie at constant speed. Write the symbolic equation for the tension as a function of pulling angle, friction coefficient, and Annie's m
A magnetic field is perpendicular to the plane of a single-turn circular coil. The magnitude of the field is changing, so that an emf of 0.85 V and a current of 3.0 A are induced in the coil. The w
You are trying to improve your shooting skills by shooting at a can on top of a fence post. You miss the can, and the bullet, moving at 205 m/s, is embedded 1.53 cm into the post when it comes to a
Whole lotta shakin' goin' on. Suppose an earthquake shook a shelf sideways according to x(t) = B sin (ωt) where ω = 2 π f = 2 π/ τ. Write symbolic equations for the shelf speed
Some athletes can put out as much as 700 watts in short bursts. If you could sustain such an energy output long enough to reach the top of a mountain, how much time would it take you to get there f
Which makes the pendulum swing upward in an arc. Determine the vertical and horizontal components of the pendulum's displacement.
In one cycle, a steady device transfers 1.55 × 106 J of energy from a reservoir at 450 K to a reservoir at 300 K. Find the change in entropy (after one complete cycle), (a) for the device, an
A 23-g bullet traveling 285m/s penetrates a 4.5kg block of wood and emerges cleanly at 230m/s. If the block is stationary on a frictionless surface when hit, how fast does it move after the bullet
What is the smallest separation distance between the speakers that will produce destructive interference at a listener standing in front of them? Take the speed of sound to be 344 m/s.