Physics

The two factors that determine velocity are....A: speed and direction B: direction and distance C: position and rateD: distance and massplease help which one are these . for science class
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Carbon monoxide (CO) _____.A. is a compound made of oxygen and carbonB. is an elementC. increases in volume when compressedD. is made of two oxygen atoms and two carbon atoms
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A cows mass is 401 kg and a trucks mass is 832 kg. What is the difference between their weights . Answer please!!!
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Both the X- and Y-components of a vector are doubled. Which of the following describes what happens to the resulting Vector?a) Magnitude increases by (2b) Magnitude increases by (2, and the direction changes c) Magnitude increases by 2d) Magnitude increases by 2, and the direction changes
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As the cloud passes over the building, a lightning strike occurs and a charge of 0.84C flows through the lightning conductor. The charge flows for 3.5 10^-5 s. Calculate the average current in the lightning conductor during this time. State the formula used in your answer
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PHYSICS HELP PLEASE ONE QUESTION 10 POINTS:)
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HELPPPPPJermaine runs exactly 2 laps around a 400 meter track.Find displacement.
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An escaped convict runs 1.70 km due East of the prison. He then runs due North to a friend's house. If the magnitude of the convict's total displacement vector is 2.50 km, what is the direction of his total displacement vector with respect to due East?
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Which of the following is true about the speed of light?A: it is a constant when the light is traveling in a vacuumB:it speeds up or slows down depending on the observer C: its slowest in a vacuumD:it varies depending on the color of the light.
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Help with this review pls!!
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how do you find displacement
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One statement of the first law of thermodynamics is that:___________. a. the amount of work done on a system is dependent of pathway. b. the total work done on a system must equal the heat absorbed by the system. c. the heat flow in or out of a system is independent of pathway. d. the total energy flow in or out of a system is equal to the sum of the heat transferred to or from the system and the work done by or on the system. e. in any chemical process the heat flow must equal the change in enthalpy.
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A planned high-speed train between Houston and Dallas will travel a distance of 386 kilometers in 5.40 103 seconds. What is the average speed of this train?
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The law of conservation of energy tells us A. that energy can be transformed from one form to anotherB. energy cannot be created or destroyedC. the total amount of energy will remain the sameD. All of the above
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Which best summarizes a concept related to the work-energy theorem?When work is positive, the environment does work on an object.When work is negative, the environment does work on an object.O When work is positive, the kinetic energy in a system remains constant.When work is negative, the kinetic energy in a system remains constant.
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If a pair of shoes weighs 0.3 N on Pluto what is the strength of gravity on Pluto
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Newton's law of universal gravitation can be applied toonly to very massive objectsto any two objects with massonly to objects near Earth's surfaceonly objects in outer space
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Using Newton's First Law, predict what will happen when a car traveling on an icy road approaches a sharp turnO The car will come to a complete stop without slidingO The car will continue to travel in a straight lineO The car will be able to turn without difficultyO The car will accelerate forward
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Consider a box sliding down horizontally across a straight line. Which of the following factors affects the amount of work done against friction in this situation?A. Speed of the boxB. Time taken to move the boxC. Distance the box is movedD. Direction of the box is moved
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A pair of glasses is dropped from the top of a 32.0m stadium. A pen is dropped 2.Os later. How high above the ground is the pen when the spectacles hit the ground? Neglect the air resistance.
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A boy and a girl are pulling a heavy crate at the same time with 7 units of firce each. What is the net force acts on the ibject? Is the object balanced or unbalanced?
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HELP!!! In the "Monster study," what did psychologists tell the group of orphans who did not suffer from stuttering?A.They were told that they werent really stutterers.B.They were told that they had very severe cases of stuttering.C.They were told that stuttering could be overcome with practice.D.They were told that their parents were responsible for their stuttering.Please select the best answer from the choices providedABCD
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Barbara plotted an elevation below sea level on a number line and labeled it A. She plotted Point B above 0, a distance that is exactly as far from 0 as Point A is. Explain what you know about Point B.
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The Newton unit obtained fromA)Kg.m/s2B) Kg. mC) kg/mD) kg ml
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