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During a high-speed chase, an 1100-kg sports car traveling at a speed of 160 km/h just loses contact with the road as it reaches the crest A of a hill.
(a) Determine the radius of curvature ρ of the vertical profile of the road at A.
(b) Using the value of ρ found in part a, determine the force exerted on a 70-kg driver by the seat of his 1400-kg car as the car, traveling at a constant speed of 80 km/h, passes through A.
A 4000 kg truck is parked on a 7.0 degree slope. How big is the friction force on the truck
Some hydrogen gas is enclosed within a chamber being held at 200 degrees C with a volume of 0.025 m^3. What is the final volume of the container
A proton is initially at rest. After some time, a uniform electric field is turned on and the proton accelerates. The magnitude of the electric field is 1.22*105 N/C. What is the speed of the proton after it has traveled 3.00 cm?
A 32.0 cm violin string with linear density 0.66 g/m is placed near a loudspeaker that is fed by an audio-oscillator of variable frequency. It is found that the string is set in oscillation only at frequencies 880 and 1320 Hz. as the frequency of osc..
three long parallel wires each carry a 2 a current with two of the currents up and one down. the wires pass through the
Suppose the ruler in procedure 3 is asymmetrical, balancing at the58.2cm mark. The ruler is now supported at the44.3cm mark, Find the mass of the ruler
A hockey player is standing on his skates on the frozen pond when an opposing player, moving with a uniform speed of 13 m/s, skates by with the puck. After 2.5 s, the first player makes up his mind to chase his opponent.
How much heat would flow by the glass in 1.00 h if there is a temperature difference of 3^circ {rm C} between the inner and outer surfaces.
Two scales on a voltmeter measure voltages up to 21.0 and 30.7 V, respectively. Determine the coil resistance
A 3.2-cm-diameter parallel-plate capacitor has 2.0mm spacing. The electric field strength inside the capacitor is 1.5x105 V/m. What is the potential difference across the capacitor
Find the magnitude of the gravitational force a 63.9 kg person would experience while standing on the surface of Earth with a mass of 5.98 × 10^24 kg and a radius of 6.37 × 10^6 m.
What is the least coefficient of friction between the beam and the wall for the beam to remain in static equilibrium.
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