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Shaun Munoz
Physics
What part of the Milky Way allows for determination of its rotational direction? A. Celestial body B. Galactic body C. Galactic disk D. Two long tails
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Avah Cortez
Physics
A 385-g tile hangs from one end of a string that goes over a pulley with a moment of inertia of 0.0125 kg ⋅ m2 and a radius of 15.0 cm. A mass of 710 g hangs from the other end of the string. When the tiles are released, the larger one accelerates downward while the lighter one accelerates upward. The pulley has no friction in its axle and turns without the string slipping. What is the tension in the string on the side of the 710-g tile?
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Camryn Farmer
Physics
How far is it to the stars
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Toots
Physics
Forces are measured in Newtons (N). Why are forces considered to be vectors?
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Ray May
Physics
A 994-kg satellite orbits the Earth at a constant altitude of 99-km. (a) How much energy must be added to the system to move the satellite into a circular orbit with altitude 210 km? 1033 Incorrect: Your answer is incorrect. How is the total energy of an object in circular orbit related to the potential energy? MJ (b) What is the change in the system's kinetic energy? MJ (c) What is the change in the system's potential energy?
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Sam Golden
Physics
Which type of molecule is formed from amino acids
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Emerson Shelton
Physics
In an open system, such as a campfire, matter can?
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Damaris Lam
Physics
Which best describes the shape of a convection current?
linear
spiral
circular
wave
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Amira Martin
Physics
2 kg of iron at 80°C is placed in a copper can, mass 0.5 kg, containing 1 kg of water at 20°C. After stirring, the temperature of the mixture is 30°C. Calculate the specific heat capacity of iron.
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Darren Roman
Physics
A radio wave has a wavelength of 300 m. The wave moves with a speed of 3.0 * 108 m/s. What is the frequency of the radio wave? A. 1.0 * 106 Hz B. 1.0 * 10-5 Hz C. 1.0 * 10-6 Hz D. 1.0 * 105 Hz
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Cheyenne Melton
Physics
Explain the relationships between gravity, mass, and distance.
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Jessica Burton
Physics
Use the terms proton, neutron, and isotope in the same sentence
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Brian Daniel
Physics
A basketball player throws a chall - 1 kg up with an initial speed of his hand at shoulder height = 2.15 m Le gravitational potential energy ber ground level the ball leves 50%. (a) Give the total mechanical energy of the ball E in terms of maximum height Am it reaches, the mass m, and the gravitational acceleration g. (b) What is the height, hm in meters?
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Maci Cervantes
Physics
A light wave is traveling straight up out of the ocean then moves out into the air how do you expect the movement of the light wave to change the light wave will
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Karly Rivera
Physics
4-True-False (experiment 6) : a) 1 / (f^2) vs output current is a straight line (f is frequency) b) Magnetic field of Helmholtz coil and earth are constant during the experiment. c) The sign of B_axial in experiment 6.2 can change the results for the value of N. d) In an ideal selenoid, the sign of B_radial is independent of sign of B_axial e) In experiment 6.1, If we use a magnetic dipole with parameters 4m and 2I, the intercept of 1 / (T^2) vs current stays the same since the magnetic field of earth is constant.
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