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A stunt person drives a car at a speed of 20 m/s off a 30 meter high cliff. The road leading to the cliff is inclined upward at an angle of 20 degree.
a) Determine how far from the base of cliff does the car land?
b) Determine what is the car impact speed?
The energy of a particle in the n = 3 excited state of a harmonic oscillator potential is 5.87 eV. What is the classical angular frequency of oscillation of this particle
On a frozen pond, a 13.1 kg sled is given a kick that imparts to it an initial speed of v0 = 2.42 m/s. find the distance the sled moves before coming to rest
A propeller is modeled as five identical uniform rods extending radially from its axis. what is its rotational kinetic energy
35g of copper pellets are removed from a 300C oven and immediately dropped into 80ml of water at 24C in an insulated cup. What will the new water temperature be
a 13-g sample of an unkown metal is heated to 96.0 degrees C. What is the specific heat of the unknown metal
A Girl is pushing on a 45 kg dresser with 300 N of force. The dresser has a coeficient of statice friction of 0.83, How much is the force of friction on the dresser
A 2.0 cm x 2.0 cm parallel-plate capacitor has a 3.0 mm spacing.The electric field strength inside the capacitor is 1.1 x105 V/m. How much charge is on each plate
A nuclear power plant has a reactor thatproduces heat at the rate of 950 MW. What is the thermal efficiency of the plant
A drag racer crosses the finish line of a 304.8 m track with a final speed of 126 m/s. how long would it take to finish the race
A 65 kg skateboarder comes over the top of a hill at 5.0 m/s and reaches 10 m/s at the bottom. Find the total work done on the skateboarder
A single conservative force F(x) acts on a 3.2 kg particle that moves along an x axis. What is the mechanical energy of the system
a 100 liter meteorological balloon is filled with helium at stp conditions 25oc and 760 mm hg. what will its volume
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