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Calculate the electric force Fe between a stationary proton and uranium nucleus...separated by a distance of 3.6 nm, determine the intial acceleration of the proton
A parallel plate capacitor with a capacitance C= 200x10^-12 consists of two copper plates, Calculate the potential(voltage) at a point exactly halfway between the plates
Assume you weight is 128 lb. Compute your weight in N. Compute your mass in kg. Compute your mass in slugs
A man observes snow falling vertically when he is at rest, but when he runs through the falling snow at a speed of 5.50 m/s, Find the speed of the snow relative to the earth
A 20.0-N block rests on a horizontal surface. The coefficients of static and kinetic friction between the surface, What is the force of friction acting on the block
Consider the system of capacitors shown in the figure below (C1= 2.00 uF, C2= 3.00 uF). Find the total energy stored by the group
Two rocks collide in outer space. Before the collision, one rock had mass 15 kg and velocity ‹ 4300, ?2700, 2350 › m/s. what is the velocity of the other rock
Consider the situation where a 5 kg block sits on top of a 10 kg block. The two blocks rest on a horizontal frictionless surface. What is the acceleration of the "two block" system
A motorboat takes passengers between two ports on a river 20 km away. what is the speed of the river
An air spaced parallel plate capacitor has an initial charge of 0.05 uC after being connected to a 10 V battery. Calculate the work done in pulling the plates apart
An air spaced parallel plate capacitor is connected to a 12 v battery. If a slab of pyrex glass is inserted between the plates filling the gap, find the new capacitance of the capacitor
The electric field at a distance o f0.145m from the surface of a solid insulating sphere with radius 0.355m is 1750 N/C. Calculate the electric field inside the sphere at a distance of 0.200m from the
On a humid day, an electric field of 2.00 * 10^4 N/C is enough to produce sparks about an inch long. Suppose that in your physics class, use Coulomb's law to calculate the electric field at the surfa
An uncharged 20 uF capacitor is connected to a power supply set to 10 V. how much more charge flows onto the plates
The cube in fig 22.32 has sides of length L=10.0cm. The electric field is uniform, has magnitude E=4.00*10^3 N/C, find the total electric flux through all faces of the cube
A flat sheet is in the shape of a rectangle with sides of lengths 0.400m and 0.600m. Find the magnitude of the electric flux through the sheet
Air expands through a turbine from 10 bars, 900K to 1 bar, 500K. The inlet is small compared to the exit velocity of 100m/s. Calculate the mass flow rate of air
What is the energy stored in the inductor after the switch has been closed for a very long time? Take V = 15 V, R = 1400 ? and L = 20 mH
Four identical particles, each with mass m = 10-6 kg and charge Q = 10-6 C, are initially at the four corners of a square with side-length a = 0.01 m. what is the final speed of the released particl
A fluid with resistivity 9.40 ? seeps into the space be¬tween the plates of a 110-pF parallel-plate air capacitor. what is the resistance between the plates
A 74 kg person is parachuting and experiencing a downward acceleration of 2.9 m/s2. The mass of the parachute is 5.8 kg. find the upward force on the open parachute from the air
An 85 kg man lowers himself to the ground from a height of 5.6 m by holding onto a rope that runs over a frictionless pulley to a 75 kg sandbag
A ball rolls off a horizontal table at 0.44m/s and strikes the ground 0.17m horizontally from the base of the table, how far from the base of the table does it hit
two sheets of aluminum foil have a separation of 1.20mm a capacitance of 9.7pF and are charged to 13.0v, the separation is now decreased by 0.10mm with the charge held constant. Find the new capacitan
two objects m1=5.10 kg and m2=3.25 kg connected by light spring passing over a light frictionless pulley. determine the speed of each object when the two pass each other