A toy missile (mass 500 g) is launched with a speed of 12 m-s from a platform (at position A) which is 3 m above the ground. It reaches a maximum height at position B, then falls back down to the ground passing position A and landing at position D. [The diagram is not drawn to scale.] Ignore the effects of air resistance. Define kinetic energy. (2) Calculate the initial kinetic energy of the missile. (4) Define mechanical energy. (4) Calculate the initial mechanical energy of the missile. State the law of conservation of mechanical energy. Calculate the maximum height reached by the missile above the ground. Determine the speed of the missile just before it hits the ground at position D.
A toy missile (mass 500 g) is launched with a speed of 12 m-s from a platform (at position A) which is 3 m above the ground. It reaches a maximum height at position B, then falls back down to the ground passing position A and landing at position D. [The diagram is not drawn to scale.] Ignore the effects of air resistance. Define kinetic energy. (2) Calculate the initial kinetic energy of the missile. (4) Define mechanical energy. (4) Calculate the initial mechanical energy of the missile. State the law of conservation of mechanical energy. Calculate the maximum height reached by the missile above the ground. Determine the speed of the missile just before it hits the ground at position D.
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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Question
![the mass of magnesium chloride produced when 1,5 g of magnesium reacts
completely with dilute hydrochloric acid.
b.
the volume of hydrogen gas produced, at STP, when 17,75 g of hydrochloric
acid reacts completely with magnesium.
(5)
(5)
[17)
Question 5
5.
A toy missile (mass 500 g) is launched with a speed of 12 m-s from a
platform (at position A) which is 3 m above the ground. It reaches a
maximum height at position B, then falls back down to the ground
passing position A and landing at position D. [The diagram is not drawn
to scale.] Ignore the effects of air resistance.
5.1
Define kinetic energy.
(2)
5.2
Calculate the initial kinetic energy of the missile.
(4)
5.3
Define mechanical energy.
5.4
Calculate the initial mechanical energy of the missile.
5.5
State the law of conservation of mechanical energy.
5.6
Calculate the maximum height reached by the missile above the ground.
5.7
Determine the speed of the missile just before it hits the ground at position D.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fdbf2740d-9296-49d6-8d0c-cc4b0ed32fac%2Ffe58d495-81f1-48a0-976b-184f1993adf0%2Fbqgiv8_processed.jpeg&w=3840&q=75)
Transcribed Image Text:the mass of magnesium chloride produced when 1,5 g of magnesium reacts
completely with dilute hydrochloric acid.
b.
the volume of hydrogen gas produced, at STP, when 17,75 g of hydrochloric
acid reacts completely with magnesium.
(5)
(5)
[17)
Question 5
5.
A toy missile (mass 500 g) is launched with a speed of 12 m-s from a
platform (at position A) which is 3 m above the ground. It reaches a
maximum height at position B, then falls back down to the ground
passing position A and landing at position D. [The diagram is not drawn
to scale.] Ignore the effects of air resistance.
5.1
Define kinetic energy.
(2)
5.2
Calculate the initial kinetic energy of the missile.
(4)
5.3
Define mechanical energy.
5.4
Calculate the initial mechanical energy of the missile.
5.5
State the law of conservation of mechanical energy.
5.6
Calculate the maximum height reached by the missile above the ground.
5.7
Determine the speed of the missile just before it hits the ground at position D.
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