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A point charge Q rests at the center of the uncharged thin spherical conducting shell. Determine the electric field E as a function of r (i) for r less than the inner radius of the shell, (ii) withi
While standing on the frictionless ice, you (mass 65 kg) toss a 4.5 kg rock having initial speed 12 m/s and initial height 1.5 m. When the rock is 15.2 m from you when it lands, (i) determine
Two lady-bugs sit on a rotating disk (that is, the ladybugs are at rest with respect to the surface of the disk and do not slip). Lady-bug 1 is half-way between lady-bug 2 and the axis of rotation.
The spring consists of constant k = 3.2 * 10^5 N/m. The car is hit by a second car of mass 9400 kg moving at 8.5 m/s, and the two cars couple altogether. Determine the force of impact if it occurred
An object having mass m = 13.0 kg is situated halfway between an object of mass 50.0 kg and an object of mass 70.0 kg which are separated by a distance 5.00 m. The magnitude of force on the object h
A person on the scale rides in an elevator. When the mass of the person is 60.0 kg and the elevator accelerates downward with the acceleration of 4.90 m/s^2, determine the reading on the scale?
Compute the insurance of a solenoid having 300 turns if the length of the solenoid is 25cm and it cross-sectional area is 4cm squared.
Determine the cost of operating two 200 Watt flood-lights for a time of 24 hours, supposing the cost of electrical energy is $.08 per kilowatt-hour. The automobile engine is rated at 150 horse-power
Determine the relationship of the distance of an object in front of the plane mirror and the distance of its image ‘behind’ the mirror? Determine how much bigger is the image than the re
Verify mathematically that if a plane mirror is rotated an angle (theta) about an axis through its center, then the angle of deflection (thee) of a light ray is equivalent to 2 times theta. Comprise
Through how many revolutions does the tub turn throughout this 22 s interval? Suppose constant angular acceleration while it is beginning and stopping.
A car of 1500 kg drives up a mountain road that consists of a vertical rise of 1300 meters from the base elevation in 30 minutes. Determine the average power output?
A flat slab of sulphur (Epsilon r = 4) is positioned normal to a uniform field. When (Rho sp) = 0.5 C m-2 on the slab surfaces, determine:
If water freezes, it expands around 9.35%. Determine what would be the pressure increase within your automobile engine block when the water in it froze? The bulk modulus of ice is 2.00 x 109 N/m2.
Suppose that one nerve impulse should end before a new one can start. Approximate the maximum firing rate of a nerve cell, expressing it in the impulses per second.
You leave a ski jump by a velocity of 39 m/s at an upward angle of 15 degrees. When you travel 110 meters horizontally before landing, determine what angle (measure from the horizontal) do you hope
Determine how many feet forward does the pilot travel before falling into the snow-bank? Avoid air resistance and suppose that the plane is programmed to dodge falling objects.
You are going from the planet earth to mars, 60 million miles. Someway you are going in a straight line! Your partner forgets to begin your clock until you are passing the Moon, 240,000 miles from E
You reach to catch a train and find it left 8.8 seconds ago. The train accelerates at 0.74 m/s^2 while your acceleration is 0.088 m/s^2 greater. Determine how many second will it take you to catch t
A monkey 22 m up a tree throws a coconut down at you having a velocity of 13 m/s. Determine how many seconds do you have to jump?
When the currents are parallel, determine the direction of the forces on the wires? When the currents are anti-parallel?
A wire Cu having a diameter of 1 mm carries a net current I = 1x10-3 A. When this current is evenly distributed across the wire’s cross section, determine the speed of free charges carry
A rubber ball is dropped to a hard floor from the height of 2.0 meters. It then rebounds to a height of 0.5 meters. i) Determine at what percentage of initial potential energy was ‘lost’ i
Determine the magnitude of the rms magnetic field of the gamma-ray pulse at the surface of magnetar, supposing that the pulse radiates evenly outward in all directions.
In Young's experiment, narrow double slits 0.2 mm apart diffract the monochromatic light onto a screen 1.5m away. The distance among the fifth minima on either side of the zeroth order maximum is ca