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Q1. Suppose a uniformly charged (with a linear charge density) wire starts at point 0 and rises vertically along the positive axis to a length. Determine the x-component of the electric field at point. That is, compute near one end of a long wire, in the plane perpendicular to the wire.
Q2. A 1700 car travelling at a speed of 13 skids to a halt on wet concrete where = 0.30. How long are the skid marks?
Q3. A particle having mass of 0.200 {rm g} carries a charge of -2.50×10-8 {rm C}. The particle is given an initial horizontal northward velocity of 4.00×104 {rm m}/{rm s}
What are the magnitude of the minimum magnetic field that will balance the earth's gravitational pull on the particle?
A baseball player hits a ball towards the outfield with an initial velocity of 76.0 m/s at an angle of 45 relative to the ground. The outfield is 118 m away and is 4.0 m tall.
A 800 kg car is travelling forwards at + 25 m s?1 along a level road. What is the acceleration during skidding
As a positron moves through a region of space, its speed increases from 2.80 X10^6 m/s to 8.00 X10^6 m/s. The electric force is the only force acting on the positron. Across what potential difference did the positron travel?
A particle with a charge of ? 3.00?C is placed at the point P described in part A. What is the direction of the force exerted by the particle
A tree falls on a bicycle path 40 m ahead of a cyclist traveling at 16 m/s, how far from the fallen tree will she be when she stops
An object is initially placed on the optical axis 22.6 cm to the left of a convex lens that has a focal length of 13.1 cm. what is the new image distance
A boy uses this string to whirl a 10-kg stone in a horizontal circle of radius 10 m. The boy continuously increases the speed of the stone. At approximately illustrate what speed will the string break?
What is the difference in blood pressure ({rm mm-Hg}) between the top of the head and bottom of the feet of a 1.80-{rm m}-tall person standing vertically.
A charge 2q is located at the origin. A charge -3q is located at x = d, y = 0, z = 0. Where is the electric field zero
Find out the magnitude and direction of the rockets acceleration. Give the direction as an angle above the horizonal.
Consider a single electron, with a mass of 9.1×10?31kg , subject to a single force equal to the weight of a penny, 2.5×10?2N
Diane (weight 255 N) is practicing on a tightrope that is 6.00 meters long and sags by 0.120 meters. find the force on each eyebolt holding the tightrope
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