Physics

A bag of marbles is hanging motionless on a spring scale. What prevents the bag from falling?
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Which of the following ways of writing 1000w is incorrect?1) 1 kW2) 1 x 10 W3) 10 x 10 W4) 1.0 x 10 W
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a positively charged body makes contact with a body. after a while, the charged body becomes neutralised. state 3 main conditions for this scenario to occur.
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Explain how the fountain pen is filled up with ink
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Describe what Neptune needs to sustain life. Describe the current conditions of Neptune. How is it there? What is the final recommendation for the humans living on Neptune? Explain.
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How can we teach our kitty to behave properly
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What are 5 examples of steong forces and what are 5 examples of weak forces. Thx!
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A 1,680 kg satellite is in a circular orbit around Earth with a tangential speed of 6,578 m/s. What is the height of the satellite above the surface of the Earth?
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Use the image to answer Questions 46.What takes place at Point A?conductionconvectionradiationsublimationWhat takes place at Point B?conductionconvectionradiationsublimationImage attached
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When a bulb is connected to a 12V cell a current of 0.05A flows through the bulb.What is the resistance of the bulb?Use the equationresistance (R) = (V) voltage/ (I) current A 0.6 B 6 C 24 D 240
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A 10 kg box is move 5 m. How much work was done on the box?
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A golfer wants his shot to land122 m away on flat ground.His club launches balls at a 55.0angle. How fast shouldthe ball leave the club?(Unit = m/s)
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A marble rolls with a speed of 15 m/s and has a momentum of 0.15 kg*m/s. What is its mass?
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A convex lens of crown glass has a focal length of 15 cm. The lens is placed in water. Determine whether the lens behaves as converging or diverging lens and determine it's focal length. With explanation
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Plz answer asap I need all of the answer
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If a force is applied to an object, which of the following must be true?A. The object will begin to move.B.The velocity will stay constant.C.The object will accelerate.D. The force applied will contribute to the total net force.please dont send any links to files or anything like that as i cannot open it, thank you :))
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Someone pls help with only if you know correct answer!???Two Bullard balls collided. One was stationary. The other was moving at a velocity of 5 m/sec. The mass of the billiard ball is 0.15kg. The momentum that was transferred to the second ball was___.A. 0.75 kgxm/secB. 33 kgxm/secC. 0.03 kgxm/secD. 7.5 kgxm/sec
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Explain why Iceland is a good place to use hydrothermal power, power produced from heated water
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A 10 kg firework is shot in the air at 75 m/s. What is the momentum of the firework?
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Cold water flows to the solar panels at 15C. During the day, the panels supply 3.8 kg of hot waterat 65C every hour.(a) Calculate the average energy that the solar panels deliver to the water in one hour.Specific heat capacity of water = 4200 J/(kgC).
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Can someone list 6 advantages of renewable energy.
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Please help & actually answer thank you :)
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A student wearing in-line skates pushes against a brick wall. why does the student move away from the wall ?1. Because the forces acting on the student are balanced 2. Because the forces acting on the student are creating a net force3. Because gravity is less than the student's push on the wall4. Because the friction between the skates and the pavement is greater than the student's push on the wall
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