the mass of magnesium chloride produced when 1,5 g of magnesium reactscompletely with dilute hydrochloric acid.b.the volume of hydrogen gas produced, at STP, when 17,75 g of hydrochloricacid reacts completely with magnesium.(5)(5)[17)Question 55.A toy missile (mass 500 g) is launched with a speed of 12 m-s from aplatform (at position A) which is 3 m above the ground. It reaches amaximum height at position B, then falls back down to the groundpassing position A and landing at position D. [The diagram is not drawnto scale.] Ignore the effects of air resistance.5.1Define kinetic energy.(2)5.2Calculate the initial kinetic energy of the missile.(4)5.3Define mechanical energy.5.4Calculate the initial mechanical energy of the missile.5.5State the law of conservation of mechanical energy.5.6Calculate the maximum height reached by the missile above the ground.5.7Determine the speed of the missile just before it hits the ground at position D.

5.1) kinetic energy is energy possesses by particle or object due to it's motion. it's SI unit is…

Answered: A toy missile (mass 500 g) is launched…

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Chapter 6: Work and Kinetic Energy: A block of mass 10 kg is being pulled in a straight line alone the ground by a 60 N force directed 45 degrees above the horizontal. The kinetic coefficient of friction between the ground and the block is µK = 0.20. The box is pulled a distance of 6.0 meters and starts from rest. Find the speed of the box at the 6 meters. Use work-energy theorem.
A brick lies perilously close to the edge of the flat roof of a building. The roof edge is 50 ft above street level, and the brick has 470.0 J of potential energy with respect to street level. Someone edges the brick off the roof, and it begins to fall. What is the brick’s kinetic energy when it is 35 ft above street level? What is the brick’s kinetic energy the instant before it hits the street surface?
The 50 kg block slides down the 2m high ramp. At some point, the block is .5 meters above the ground. What is its kinetic energy and potential energy of the block at that point? Keep in mind, the sum of the potential energy and kinetic energy has to be a constant value at any point on the ramp. We are ignoring any frictional effects.
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Chapter 7: Potential Energy and Energy Conservation: A block slides down a frictionless inclined ramp. If the ramp angle is 30.0° and its length is 30 m, find the speed of the block as it reaches the bottom of the ramp, assuming it started sliding from rest at the top. You must use material from chapter 7 (conservation of mechanical energy) to solve this problem
3. A force of 10 N is applied to a small cart for a distance of 2.0 m. (a) What work is done on the cart? (b) Assuming there are no frictional losses, what final kinetic energy does the force transfer to the cart? (c) If the mass of the cart is 10 kg, what is the final speed of the cart?
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Consider a mass m=81.6 kg sliding on a frictionless surface as shown in the figure below. It begins with a speed of vi = 1.81 m/s at a height of yi = 21.4 m above the ground. It then travels down one hill and up the next until it momentarily comes to rest with a speed vi = 0. a) What is its kinetic energy of the mass at the start? b) What is its gravitational potential energy of the mass at the start?
You are throwing a ball to a friend while taking physics and begin to wonder about work. You know that when you throw, you exert a force of 655 N on the ball (which has mass 1.84 kg), and that you do so for a distance of 0.27 m. If you start the throw from rest, what is the final speed of the ball? When you show your work for this question, you must do the calculations using work and energy for credit. If you use kinematics you will not recieve credit. Your Answer: units Answer
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