Physics

Which produces more electricity wind or solar?
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1a. state the condition for the equilibrum of a rigid body acted upon by parallel forces 1bi. Describe an experiment using the principles of moments to determine the mass of a meter rule 1bii. State two precautions necessary to ensure accurate results c. what is a couple in physics
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if equal numbers of suspension clamps are on each side of the support, can their weights be omitted from the calculations? explain
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In which stage of the star, does nuclear fusion reaction begin?
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Explain why running up a flight of stairs is so much different than walking if both require the same amount of work?
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How does sonar detect underwater objects?
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Predict what happens to the mechanical advantage of a machine if friction is reduced through the use of oil or some other means.
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while exploring an ancient mayan tomb, you discover that the walls begin to move and are closing in on you. by exerting 400 n of force, you are able to keep a wall from coming closer. the work you are doing on the wall is
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Help me out please thank you
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I need help getting the answer for this!
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which of the following leaves will be the easiest to make a mat?
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7. The work done in picking the same chair up 1 meter would be aboutA. 4JB. 40JC. OJD. 400J
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What is the stopping potential when metal with work of 0.6 eV is illuminated with the light of 2.6 VB 3.6 VC 0.8 VD 1.4 V?
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What is the formula of this energy frequency relations?
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SIn a game of pool, the cue ball rolls toward the stationary eight ball with a velocity of 1.35,and they collide. The mass of the cue ball is 170 grams, and the mass of the eight ball is156 grams. The velocity of the cue ball immediately after the collision is 0.060What is the velocity of the eight ball immediately after the collision?Your answer should have three significant figures.mYou might need: CalculatorSShow CalculatorMOOEXTD9:0
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A ball on a string is swung in a horizontal circle at a constant speed of 4.3m/s. The centripetal acceleration of the ball is 24.7 m/s^2. The mass of the ball is 3.2kg.What is the length of the string?Please show all work thank you so much!
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Objects which stay at one place under water, neither sinking or floating, are said to have what kind of buoyancy? Neutral, negative, or positive
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a shiny object reflects light. will a shiny object make a shadow when light shine on it? explain your answer
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Bob and Sally sit on a 4 m long see-saw that has its fulcrum smack in the center of the board. If 50 kg Sally is sitting at one end of the plank, where should 70 kg Bob sit on the other side relative to the fulcrum so the net Torque is zero?
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Atoms that have a positive charge will be attracted to atoms with acharge. *O PositiveO NegativeO Neutral
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A train whistle produces a sound at a frequency of 600 Hz. If the train is moving toward a stationary observer at a constant speed, which of the following may be the frequency of the whistle as detected by the observer?
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Can someone help me here
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A car crashes into a wall with an impulse of 40,000 kg.m/s. The collision took 2 seconds. How much force did the wall exert?
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If a species experiences a helpful mutation, like camouflage, explain how that mutation would help the species to better I survive and flourish. Again, be sure to explain how and why that mutation would be helpful.HELP I NEED IT FAST PLEASE ILL MARK B!!!! IF CORRECT
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