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A student throws a ball vertically upward such that it travels to its maximun height. If the ball is caught at the initial height 2.7after being thrown what is the ball average speed, and what is the ball's average velocity.
When a car makes a sharp left turn, what causes the passenger to move toward the right side of the car? inertia, centripetal force, centrifugal force, or centripetal acceleration ?
A heat engine operates between a high-temperature reservoir at 610K and a low-temperature reservoir at 320K. What is the net change in entropy as a result of this cycle?
A small, 1.90-mm-diameter circular loop with R = 1.40×10?2? is at the center of a large 110-mm-diameter circular loop. What is the induced current in the inner loop
Two resistanceless rails 32 cm apart rest on a 6.0° ramp. They are joined at the bottom by a 0.63 resistor, What is the terminal (steady) velocity of the bar as it slides frictionlessly down the rails
A system does 167 J of work on its environment and gains 85.5 J of heat in the process, Find the change in the internal energy of the environment
A certain projectile is launched with an initial speed v0. At its highest point its speed is v0 / 4. What was the launch angle
Select all that apply. Which is the following statements is true?
The plates of a parallel-plate capacitor have a separation of 4.70mm , and each has an area of 13.4cm^2 . what is the potential difference between the plates
The primary coil of a transformer has N1= 300 turns, and the secondary coil has N2= 1810 turns. find rms voltage is developed across the secondary coil?
What is the maximum number of dark fringes that will be produced on both sides of the central maximum if light (? = 619 nm) is incident on a single slit that is 5.27 × 10-6 m wide
find the mass of Earth from the period T and the radius r of the Moon's orbit about the Earth. T=27.3 days and r=3.82E5 km. suppose the Moon orbits the center of Earth rather than the center of mass of the Earth-Moon system.
A 2345 kg car plans to round an unbanked corner with a radius of 34m at a speed of 45mph. What is the maximum speed at which the car could make the turn if the coefficient of static friction is 1.5
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