Physics

Which temperature scale does NOT have negative values?CelsiusFahrenheitKelvinAll of these are correct
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A ball is dropped off of a building and falls past a window that is 2.2m long. If it takes .28s for the ball to cross the window what is the distance from the top of the building to the top of the window?
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1. The Particle Theory of Matter says that. A. Particles are in constant motionb. Everything is made up of particlesc. Plasmas have charged particlesd. Solids have no particles
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For ____________, the error is calculated by finding the sum of squared distance between actual and predicted values
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C(i). A body weighs 600g in air and 400g in water. Calculate;i. Up thrust of the bodyii. Volume of the bodyiii. Relative density of the solidiv. Density of the solid
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what is the weight of an object (on earth) that has a mass of 4.5kg weight=mass=gravity=formula:substitution: answer:
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what is the power of a device with resistance 1000 ohms if a current of 8a is flowing through it? give your answer in watts.
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When charging objects by induction which of the following must be true A. A path to ground is not needed when using a positive source B. The objects being charged must be conductors C. The objects takes on the same charge as it's source D. The source loses some of its charge
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How does the gravitational force between two objects change if the distance between the objects doubles?a) The force decreases by a factor of 4. b)The force decreases by a factor of 2. c)The force increases by a factor of 4.d)The force increases by a factor of 2.
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which of the following temperatures is the lowest? A.100C) B.100F) C.100K) or D. they are all the same
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Find fff, the magnitude of the force applied to each side of the nutcracker required to crack the nut
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Write any two differences between series combination and parallel combination of cells.
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Two bodies of specific heats S1 and S2 having the same heat capacities are combined to form a single composite body. What is the specific heat of the composite body?
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Two identical spheres, A and B, carry charges of+6 microcoulombs and -2 microcoulombs,respectively. If these spheres touch, what will bethe resulting charge on sphere A?
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Parallel field lines evenly spaced and all pointing left labeled B. There is a point with a vector down labeled v. There is a circle next to the point labeled F. Use the right-hand rule for magnetic force to determine the charge on the moving particle. This is a charge.
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Conduction is greater in solids .explain in your own words Why?
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Express this as y=mx + c1. [tex] \frac{1}{y} = \alpha ( {x - 6)}^{ - b} [/tex]
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Sigmund freud believed mental disorders were caused when an individual __________. a. recognized personal negative qualities b. masked painful feelings c. buried feelings in the unconscious d. distorted the present reality
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If an electron, moving from east to the west, enters a uniform magnetic field what is the direction of the magnetic field
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A group of physics students set a tuning fork of 500 Hz just above a big cooking pot. The tuning for is struck and continues to ring throughout the experiment. The students pour water into the pot until they hear the resonance of the fundamental mode.If the cooking pot is 0.2 meters tall, how long is the wavelength of the resonance created?What is an estimate for the speed of sound in this situation?You may discover that the speed of sound seems a bit off. Write down some ideas on why that is.
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If a peregrine falcon dove at its maximum speed for half a mile to catch prey, how many seconds would the dive take? (round your answer to the nearest second. ) correct answer9
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define key terms related to the muscular, skeletal, and nervous systems
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When you serve the ball, if the ball does not land in the opposite side rectangle this is called a ______. question 2 options: fault miss volley foul
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A wave has a speed of 3.4m/s, if its frequency is 2.5 (Hz). What is the wavelength. Equation:Speed= wavelength x frequency (Hz)A. 25mB. 10mC. 1.36mD. 0.73m
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