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A car is traveling around a horizontal circular track with radius r = 160 m at a constant speed v = 28 m/s as shown. The angle θA = 22° above the x axis, and the angle θB = 58° below the x axis.
A projectile is launched with a speed of 40 m/s at an angle of 60o above the horizontal. Use conservation of energy to calculate maximum height reached by projectile during its flight
Explain how the presence of the 2 waves can cause the signal at the receiver
or a given initial projectile speed, For what other launch angle will the projectile have the same range
A bird is flying directly toward a stationary bird-watcher and emits a frequency of 1380 Hz. The bird-watcher, but, hears a frequency of 1450 Hz. What is the speed of the bird, expressed as a percentage of the speed of sound?
A Cessna aircraft has a lift-off speed of 120 km/h. How long does it take the aircraft to become airborne
the separation distance between two 1.0 kg masses is change. how is the mutal gravitational force affected in each case
A flywheel is rotating initially with an angular velocity of 3.0 rad/s clockwise. Sometime later it is rotating with an angular velocity of 8.0 rad/s counterclockwise. What is the direction of the angular acceleration
An air-core solenoid with 64 turns is 8.00 cm long and has a diameter of 1.20 cm. When the solenoid carries a current of 0.800 A, how much energy is stored in its magnetic field
Consider a one-dimensional particle of mass m feeling the inverse harmonic oscillator potential V=-1/2kx^2 (k>0)
For a hydrogen atom, determine the ratio of the ionization energy for the n = 4 excited state to the ionization energy for the ground state
A solid, horizontal cylinder of mass 7.1 kg and radius 0.57 m rotates with an angular speed of 5.84 rad/s about a fixed vertical axis through its center. What is the final angular speed of the system
A Carnot engine absorbs 940 J of heat each cycle and provides 380 J of work. How much heat is rejected each cycle
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