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A fighter plane is launched from aircraft carrier with the aid of its own engines and a steam-powered catapult. The thrust of its engines is 2.3 x 105 N. Being launched from rest it moved through a distance of 87 meter and has kinetic energy of 4.5 x 107 Joule at lift off.
Determine the work done on the jet by the catapult?
Suppose the uranium nucleus was at rest just before the decay. If the α particle is emitted at a speed of 1.74×107 m/s, illustrate what would be the recoil speed of the thorium nucleus?
A model rocket blasts off and moves upward with an acceleration of 11m/s^2 until it reaches a height of 28m, What is the maximum height attained by the rocket
Two identical parallel-plate capacitors, each with capacitance C, are charged to potential difference ?V and then disconnected from the battery. Find the total energy of the system of two capacitors before the plate separation is doubled
A 1.18 m long sample from a roll of string is measured to have a mass of 1.04 g. find the wavelength of traveling waves on this string which have frequencies of 40.0 Hz and 5.00 Hz
A clock face has negative point charges -q, -2q, -3q, · · · , -12q fixed at the positions of the corresponding numerals. The clock hands do not perturb the net field due to the point charges
In a stunt scene for a new action movie a motorcyclist will take off horizontally from the top of one building, What is the minimum horizontal take-off speed that the motorcycle must have to make the jump safely
The rms current in a solenoid is 0.036 A when the solenoid is connected to a 18 kHz generator. What is the peak voltage of the generator
a 4.1 g coin sliding to the right at 26.2 cms makes an elastic head-on collision with a 12.3 g coin that is initially
A cube of wood have and edge dimension of 20.0cm and a density of 650 kg/m^3 floats on water. what mass of lead should be place on the cube
The drawing shows an equilateral triangle, each side of which has a length of 1.59 cm. Point charges are fixed to each corner, Determine the charge qA and q
The force on a string is 198 N and the string's linear mass is 1.9 kg/m. What is the speed of waves on the string
The Mariana trench is located in the Pacific Ocean at a depth of about 11 000 m below the surface of the water. The density of seawater is1025 kg/m3. determine the weight of a jetliner
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