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A cylindrical space station of radius R and length L has a density that varies with distance from its center, Calculate the total mass M of the entire space station
Two very small spheres, each with a mass m = 1.5 g, are suspended from a common axis by insulating threads of length L= 6.0 cm, What is the magnitude of the unknown charge q
Inside a cart that is accelerating horizontally at acceleration ~a, there is a block of mass M connected to two light springs of force constants k1 and k2
A 40g block of ice is cooled to -78 deg celcius and is then added to 560g of water in an 80g copper calorimeter at a temperature of 25 degrees celcius, determine how much ice is left
A 0.950kg block is attached to a spring with spring constant 16N/m, What is the amplitude of the subsequent oscillations and What is the block's speed at the point where x= 0.20
Vector A points in the negative x direction. Vector B points at an angle of 60 above the positive x axis, Given A+B+C=0, find the magnitude of A and B
A birds travels at 1.4 m/s with a fish in its claws, at 15 degrees below the horizontal. If it drops the fish that takes 1.8 seconds to land on the ground
A stunt man drives a car at a speed of 20 m/s off a 35-m-high cliff. The road leading to the cliff is inclined upward at an angle of 20?, What is the car's impact speed
A system consists of two positive point charges, q1 and q2>q1. The total charge of the system is +62.0 x 10^-6 C, Find q1 and q2
A strip of doped silicon 325 µm wide contains 9.6 1022 conduction electrons per cubic meter and an insignificant number of holes, What is the thickness of the strip
A thin glass rod forms a semicircle of radius r = 3.03 cm. Charge is uniformly distributed along the rod, with +q = 1.05 pC in the upper half and -q = -1.05 pC in the lower half
Two satellites are in circular orbits around a planet that has radius 9.00*10^6 m. One satellite has a mass 68.0 kg, What is the orbital speed of the second satellite
In compressing the spring in a toy dart gun, 0.6 J of work is done. When the gun is fired, the spring gives its potential energy to a dart with a mass of 0.08 kg, What is the dart's speed
A 7,800-kg truck runs into the rear of a 1,000-kg car that was stationary. The truck and car are locked together after the collision and move with speed 2 m/s
Consider an electron moving with a speed of 8.60 106 m/s at right angles to a constant magnetic field, with B = 1.9 T
There are two identical, positively charged conducting spheres fixed in space, find the initial charge on each sphere, q1 and q2 if initially q1
A double prism is made by joining two thin glass prisms of different refractive index such as crown glass and flint glass, Determine the prism angle of the crown prism
Two positive point charges, each of which has a charge of 3.4 × 10?9 C, are located at y= + 0.80m and y= ? 0.80m, Find the magnitude of the resultant electrical force on a charge of 9.0 ×
A charge Q is located inside a rectangular box. The electric flux through each of the six surfaces of the box is, What is Q
A rocket is fired straight upward from rest with an acceleratrion of 5 m/s^2. It maintains acceleration until it is 1300 m above the ground, What is the Rocket's velocity, Find the total amound of ti
A 2.00-m-long rope has a mass of 0.100 kg, What is the frequency of the oscillator if the power transmitted is 120 W
Two large, non-conducting plates with the indicated area charge densities are suspended 3.67 cm apart, What volume of the air in region B (between the plates) stores an equal amount of energy
Two positive point charges, each of which has a charge of 4.3E-9 are located at y=+.10m and y+-.10m, What is the direction of this force
An ion accelerated through a potential difference of 102 V experiences an increase in kinetic energy of 3.01 × 10?17 J