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A fighter jet is launched from an aircraft carrier with the aid ofits own engines and a steam-powered catapult. The thrust of itsengines is 3.44 x 105 N. In being launched from rest itmoves through a distance of 59.7 m and has a kinetic energy of 7.34x 107 J at lift-off. What is the work done on the jet by the catapult?
A dentist's drill starts from rest. After 3.00s of constantangular acceleration it turns at a rate of 2.20 x 10^4rev/min. Find the drill's angular acceleration in rad/s^2
Consider a series LRC circuit with R=201 ?, L=0.34 H and C=1 µF. The current is 10 mA amplitude at 2 kHz. Remember ? = 2pf, where f is the frequency in cycles per second or Hz. Find the voltage amplitude VL on the coil. Express the answer with two..
A 2.6kg block slides along a frictionless surface at 2.0m/s . A second block, sliding at a faster 5.0m/s, collides with the first from behind and sticks to it. What was the mass of the second block
If the elastic limit of steel is 5.0*10^8 Pa, determine theminimum diameter a steel wire can have if it is to support a 62 kgcircus perfomer without it elastic limit being exceeded.
A cylindrical storage tank has a radius of 1.31 m. When filled to a height of 3.99 m, it holds 15,444 kg of a liquid industrial solvent. What is the density of the solvent
A daredevil decides to jump a canyon. Its walls are equally high and 12 m apart. What minimum speed must he have in order to clear the canyon
A flywheel rotates at 50 rad/s. It is brought to rest by a constant frictional torque after making 10 complete revolutions. How long did it take to stop the flywheel
A 120 m long copper wire (resistivity 1.68e-8 Ohm*m) has resistance 6 Ohm. What is the diameter of the wire
Wrongly called for a foul, an angry basketball player throws the ball straight down to the floor. what was the ball's greatest height above the floor
a 16.0 kg box is released on a 35.0deg incline and accelerates down the incline at 0.272 ms2. find the friction force
Two blocks hang from either end of a massless rope that runs over a pulley, treated as a thin solid disk, (An Atwood's Machine), and are held in place. Find the unknown mass of the block
Mars Rover When the Mars rover was deployed on the surface of Mars in July 1998, radio signals took about 14 {rm min} to travel from Earth to the rover. How far was Mars from Earth at that time.
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