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A thick-walled spherical shell of charge Q and uniform volume charge density p is bounded by radii r1 and r2 > r1. With V = 0 at infinity, find the electric potential V as a function of distance
A solid uniform metal sphere of radius has a density of 8.00 . If you carefully scrape away the outer part so that the radius of the resulting sphere is now , its density will be?
Describe and analyze the forces acting on the Nerf toy and projectile (by all actors on the toy and projectile);
An electron with kinetic energy 4.80 keV circles in a plane perpendicular to a uniform magnetic field. The orbit radius is 38.0 cm. Find the following values.
An electron that has velocity = (3.7 x 106 m/s) + (3.0 x 106 m/s) moves through a magnetic field = (0.03 T) - (0.15 T) . (a) Find the force on the electron and its direction.
The length of the region containing the magnetic field is LB = 15 cm. The coil is observed to move at constant velocity v = 5 cm/s. What is the force required at time t = 0.8 sec to maintain this ve
A hockey puck with a mass of .115kg moving at 45 m/s strikes a dead octopus thrown onto the ice by a fan the octopus has a mass of .865 kg the puck hits the octopus and they slide off together what
There is a long straight wire carrying current I = 507 amperes. At a distance of 1.3 meter away, a small piece of wire (length 1 cm) carries a current of 13 amperes in a direction parallel to the lo
Mathematically speaking, the capacitor never fully discharges; however, practically speaking, we might consider the capacitor to be "fully discharged" when the charge left on it is less than the mag
A hollow cylinder (hoop) is rolling on a horizontal surface at speed v = 4.0 m/s when it reaches a 12° incline.
One of the pieces has half the speed that the rocket had before it exploded and travels straight upward with respect to the ground. Determine the speed and direction of the second piece. (Use v0 for
The person walks radially to the edge of the platform. (a) Calculate the angular velocity when the person reaches the edge.
A grinding wheel is a uniform cylinder with a radius of 8.30 cm and a mass of 0.590 kg. (a) Calculate its moment of inertia about its center.
If the six-sided bolt head is 15 mm in diameter, estimate the force applied near each of the six points by a socket wrench.
The small wheel has a radius of 2.0 cm and accelerates at the rate of 7.5 rad/s2, and it is in contact with the pottery wheel (radius 25.0 cm) without slipping. (a) Calculate the angular acceleration
Assuming the shuttle lands at 243.9 mph, has 7 astronaunts each with a weight of 200 kg, and a payload weight of 23298 kg, find how much energy (in GJ) the shuttle has the second that it lands (does
Using this information and the fact that the astronaunt has a weight with his suit of 240 N on Mars, find the average depth of the crater.
A snowmobile is originally at the point with position vector 27.5 m at 95.0° counterclockwise from the x axis, moving with velocity 4.17 m/s at 40.0°. It moves with constant acceleration 1.8
A 44.0Ω resistor and a 94.1 Ω resistor are connected in parallel ,and the combination is connected across a 120V dc line. what is the resistance of the parallel combination?
See the workshop manual for expressions for height, range and flight time as a function of initial speed and launch angle. Use the local value of g given in Appendix A.i) What is the maximum height
What is the magnitude of the bullet's accelaration in m/s2 as it passes through the board?
What is the minimum number of blubs that can be used on the string? What is usually the major frustration of this type of wiring?
A 2 000 kg sailboat experiences an eastward force of 3 000 N by the ocean tide and a wind force against its sails with magnitude of 6 000 N directed toward the northwest (45 degrees N of W). What is
Two blocks, joined by a string, have masses of 6.0 kg and 9.0 kg. They rest on a frictionless horizontal surface. A 2nd string, attached only to the 9 kg block, has horizontal force = 30 N applied t
An arrow is shot at an angle of 45 degrees above the hortizontal. The arrow hits a tree ditance D= 220m away, at the same height aboventhe ground as ut was shot. Use g = 9.8m/s2 for the magnitude of