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A certain car requires 2.40X106 J of thermal energy to operate its engine while traveling a distance of 1.00 km. Gasoline has a density of 740 kg/m3 and a heat of combustion of 4.60X107 J/kg. Discover the volume of gasoline required to operate the car over this distance.
Suppose a particle with mass m is released from rest in a uniform gravity g, write down the relativistic equation of motion and find an expression that gives the relationship between velocity and time
the hour hand and the minute hand of big ben a that elizabeth tower clock in london are 2.70 m and 4.50 m long and have
A 10 m beam of mass 340 kg extends over a ledge. The beam is not attached, but simply rests on the surface. How far from the edge of the ledge can the beam extend
A certain string on a piano is tuned to produce middle C (f1= 261.63 Hz) by carefully adjusting the tension in the string
The potential difference between the ends of a resistor is 9 V and the rate of energy dissipation in it is 18 W. What is the value of that resistor
Determine the magnitudes and directions of the currents in each resistor shown in Fig. 19-48. The batteries have emfs of 1 = 9.0 V and 2 = 13.0 V and the resistors have values of R1 = 15 , R2 = 20 , and R3 = 31 .
A car traveling at a constant speed of 22.5 m/s passes a trooper hidden behind a billboard. One second after the speeding car passes the billboard, the trooper sets off in chase with a constant acceleration of 3.90 m/s2.
A cart of mass m1=10 kg slides down a frictionless ramp and is made to collide with a second mass m2=20kg, which then heads into a perpendicular loop of radius .25m. The carts stick together after the collision.
The mass density of an object is 16.0 g/cc, and its mass is determined to be 134 g. What is the volume of the object
A tugboat pulls two barges with a force of 3000N. The water slows each of the boats with a force of 200N (3 total forces of 200N each). what is the accleration of the boats
A home run is hit in such a way that the baseball just clears a wall 13 m high, located 135 m from home plate. Find the time it takes the ball to reach the wall
The radius of the hydrogen atom is 0.053 nm. What is the frequency of the circular motion of the electron in the hydrogen atom
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