Physics

Which of the following is a renewable source of energy?Tick one box.A bio-fuelB coalC natural gasD oil
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A car of mass 1200kg moving 90km/hr is brought to rest over a distance of 20m. calculate breaking force.
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1. A temperature unit is known as a
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is it possible to make your lifetime displacement zero, if so where would you go?
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a hunter shoots a stone from his catapult with an initial velocity of 40 m per seconds add elevation of 60 degree with the aim of hitting a bird 145n away.1. calculate the time of flight
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Which red line shows the same action spectrum corrected for the unequal number of photons emitted across the visible spectrum?.
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If the force generated by the car to push it forward is 8,000 N, what can be said about the force opposing the cars motion?
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a right angled triangle has 5cm opposite side, 9cm adjacent side. find length of hypotunise
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An object of mass 5kg falls from rest and has a kinetic energy of 1500J midway its journey. a) what is its potential energy at this point? b) what is the potential energy it started with? c) what is its kinetic energy before hitting the ground?
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A compound wall consists of parallel layers of two different materials, 10 cm of brick and 2 cm of wood. If the difference of temperature across the brick wall is 20 C calculate the temperature difference between the wooden wall and heat current per square metre of the wall. [Thermal conductivity of brick and wood are respectively 0.5Wm-K- and 0.125Wm-'K']
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25. How long does it take a child on a swing to complete one swing if her center of gravity is 4.00 m below the pivot?Please include all of your steps with the solution.
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Does a photon emitted by a higher-wattage red light bulb have more energy than a photon emitted by a lower-wattage red bulb
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Suppose that two point charges, each with a charge of 1 coulomb are separated by a distance of 1 meter. Determine the magnitude of the electrical force between them
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The presence of which magnetic feature best explains why a magnet can act at a distance on other magnets or on objects containing certain metals? fields dipoles domains forces
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Mass m1 on the frictionless table of the figure is connected by a string through a hole in the table to a hanging mass m2
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.Asaloon car starting from rest will acceleratesto velocity of 48 km/h in 10 seconds. calculatetheaceleration-Whats the answer ?
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A person with a mass of 80 kg is at rest. What is their momentum? Write thenumber only. *Your answer
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Which of the following can only be a situation of increasing temperature? 1. The phase change of the material is going from water to solid2. The height of the object is increasing3. The objects speed in increasing at a constant rate4. The average kinetic energy of the particles of a material is increasing
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22. What is the length of a pendulum that has a period of 0.500 s?Please show all of your steps to find the solution.
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Physics Momentum topic question. I will mark brainliest please help.
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A popcorn-maker transfers 250J of energy into other energy stores every second. What is its power?
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If you were standing on the edge of a thunderstorm as it begins to form, would the wind be blowing into the storm or out of it? why?
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hey guys can yall help quickly? how to induce a positive temporary charge on the right side of a metal ball
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If a food has 200 calories and 7 grams of protein, and each gram of protein is 4 calories, what percent of the serving comes from protein?
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