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A point on the rim of a rotating wheel with a 0.37m radius has a centripetal acceleration of 19.0 m/s2. What is the angular speed of the wheel?
An air-track glider attached to a spring oscillates between the 16.31 cm mark and the 51.41 cm mark on the track. What is the maximum speed of the glider
An interstate highway has been built through a poor neighborhood ina city. What is the averagelate-night sound level in the room
Each of the sources in the drawing emits a frequency of 4.57 multiplied by 1014 Hz, and the speed v is 2.50 106 m/s. Calculate the observed frequency fo in situation A. fo = ? UNIT?
What is the magnitude of the electric field at a point 0.45cm away from a point charge of +5.0pC
an m1 8.0 kg box lies on a friconless table and is attached to a m2 5.0 kg box by a light cord passing over a
A hydrogen atom is in its ground state when its electron absorbs a 48 keV photon. What's the energy of the resulting free electron
A home run is hit in such a way that the baseball just clears a wall 10 m high, located 126 m from home plate. Find the speed of the ball when it reaches the wall
A hydrogen atom is in its n = 8 excited state. Determine, according to quantum mechanics, find the total energy (in eV) of the atom
A person drops a cylindrical steel bar (Y = 1.70 × 1011 Pa) from a height of 4.70 m, what is the maximum compression of the bar
A 50-g block of copper at -15?C is added to 100g of water in a 71-g aluminum cup. The cup and the water have an initial temperature of 4.0?C. Find the equilibrium temperature of the cup
A 66 trampoline artist jumps vertcally upward from the top of a platform with a speed of 5.4 . A) What is his speed as he lands on the trampoline, 3 m below his jump off point? B) If the trampoline behaves like a spring with spring stiffness constant..
A 1.65 m length of wire is formed into a single-turn, square loop in which there is a current of 12 A. The loop is placed in a magnetic field of 0.04 T. What is the maximum torque that the loop can experience?
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