Physics

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If a person walks 3 m north and 5 meters east, how would you find the displacement for that person? what would the displacement be?
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What happens when a moving object experiences no net force?
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From an apple tree 2 metres high, a 100g mass apple fell of the tree, what work did it do?
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I'm asking for a quick favor. I'm trying to understand an equation that has to do with Projectile motion, Bernoulli's principle, and Magnus Effect. Basically focused on understanding air resistance on a projectile. I would like to discuss this privately rather than have it on this public forum. I'll give you 100 of my points if you help.
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A book is sitting on a table. Which of the following is true about the table? O A. It is pushing up on the book. O B. It exerts no force on the book at all. O C. It is pulling down on the book. D. It can affect the mass of the book.
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An object is moving with constant non-zero velocity. Which of thw following statements about it must be true
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why type of volcano is built almost entirely from ejected lava fragments
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rock at the edge of a cliff has kinetic energy because of its position.TrueFalse
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Car A is stopped at a traffic light. At the moment it starts to move again, it is situated 330 m from car B, which is traveling in the opposite direction at a constant velocity of 18.0 m/s. If car A accelerates at a rate of 3.0 m/s^2, where and after how long will the two cars pass eachother?Please answer this question with steps..
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Which of the following is a contact force?MagneticFrictionElectricGravity
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What is the limiting factor of speed for an object falling through the air?
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A weight-lifter raises a 2000 N weight through a vertical height of 2.0m in 0.80 s.What useful power does he develop in doing this?A800 WB3200W4000 WD5000W
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Please help me with this
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HELPPPP WILL MARK B IF CORRECT!!!!
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Help please!!! Physics circular motion
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How do you get on the cheer squad?!
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Each bat can produce different frequencies of ultrasound. Explain why this is useful if there are many bats hunting together.
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Which phrase best describes a machine?any device that makes work easierany device that moves an objectany device that has multiple partsany device that uses energy
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PLS ANSWER FAST WILL GIVE BRAINLY!!!In order for a roller coaster to work, why does the hill the cart climbs need to be higher than the top of the loop?
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If the force exerted by a man is halved and the distance is multiplied by four, by which factor does the work change ? A. Increase by a factor of 8 B. Decrease by a factor of 2C. Increase by a factor of 2D. Increase by a factor of 4
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Object A is moving due east, while object B is moving due north. They collide and stick together in a completely inelastic collision. Momentum is conserved. Object A has a mass of m A = 17.0 kg and an initial velocity of v 0A = 8.00 m/s, due east. Object B, however has a mass of m B = 29.0 kg and an initial velocity of v 0B = 5.00 m/s, due north. Find the magnitude and direction of the total momentum of the two-object system after the collision.
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Need help with this one question!
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A flight distance from philadelphia to cancun is 1469 miles.the estimated flight time is 3.25 hours.What is the avarage speeede of the plane in miles per hour(number and units)?
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