Please answer question 4 Question 3 [3/141]: The velocity of a 1.2-kg particle is given by v = 1.5t³ + (2.4-3)+5k, where visin meters per second and the time t is in seconds. Determine the linear momentum G of the particle, itsmagnitude G, and the net force R which acts on the particle when t = 2s.Question 4 [3/143]: A 2-oz bullet is fired horizontally with a velocity v₁ =1800 ft/sec into the 6-kg block ofsoft wood initially at rest on the horizontal surface. The bullet emerges from the block with the velocity v₂ =1200 ft/sec, and the block is observed to slide a distance of 8 ft before coming to rest. Determine thecoefficient of kinetic friction μк between the block and the supporting surface.8'6 lb1200 ft/sec1800 ft/sec2 oz

Step 1: Convert units (if necessary)The mass of the bullet is given in ounces (oz) and the velocity…

Answered: Question 3 [3/141]: The velocity of a…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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In slow pitch softball, the underhand pitch must reach a maximum height of between 1.8 m and 3.7 m above the ground. A pitch is made with an initial velocity vo with a magnitude of 13 m/s at an angle of 33° with the horizontal. Determine (a) if the pitch meets the maximum height requirement, (b) the height of the ball as it reaches the batter.
10. The angular momentum of a particle about point A in a reference frame is defined as r dot mv where r is the radius vector from point A to the particle position, m is the particle mass, and v is the particle velocity. True False
A rocketship has 9 modules each with a mass of 15 200 kg and moves at a speed of 7.0 km/s. One of the modules is explosively propelled away from the rocketship at a speed of 1350 km/h with respect to the rocketship, opposite in direction from the original travel direction of the rocket ship.What is the resulting change in the speed of the rocketship?
A piece of mass M is hung by a string of length L ‌. A ball of mass m = M / 4 has a velocity V• when it hits the piece and sinks into it. As soon as the progress of the bullet in the piece stops completely, the string tension is 2.5Mg. What is the velocity V•?
Angular Momentum of a Particle Two identical spheres with m=3 kg each are rigidly attached to the rotating light rigid structure. The velocity of the spheres is v=2 m/s. Determine the angular momentum about the axis of rotation.
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Scientists observe an approaching asteroid that is on a collision course with Earth. They devise a plan to launch a rocket that will collide with the asteroid inelastically and stop it. The mass of the asteroid is 7500 kg, and it is approaching Earth at 85 m/s. If the rocket has a mass of 900 kg, approximately what velocity must it have to completely stop the asteroid after collision?
Part A: What is the period of the spacecraft's orbit? T=___s Part B: Using conservation of angular momentum, find the ratio of the spacecraft's speed at perigee to its speed at apogee. (Vperigee)/(Vapogee)=___ Part C: Using conservation of energy, find the speed at perigee and the speed at apogee. Vperigee,Vapogee=___m/s Part D: It is necessary to have the spacecraft escape from the earth completely. If the spacecraft's rockets are fired at perigee, by how much would the speed have to be increased to achieve this? delta(perigee)=___m/s Part E: What if the rockets were fired at apogee? delta(apogee)=___m/s Part F: Which point in the orbit is more efficient to use and why?
6 The linear momentum of a body can be considered the sum of the linear momentum of the differential masses which make up the body. Each of those differential masses can be treated like a particle. True False
To apply Newton’s second law and the theorem of conservation of energy to solve kinetic problems. A bungee jumper wants to jump off the edge of a bridge that spans a river below. The jumper has a mass m, and the surface of the bridge is a height h above the water. The bungee cord, which has lengthL when unstretched, will first straighten and then stretch as the jumper falls.Assume the following: The bungee cord behaves as an ideal spring once it begins to stretch and has spring constant k. The jumper does not actually jump but simply steps off the edge of the bridge and falls straight downward. The jumper's height is negligible compared to the length of the bungee cord. Thus, the jumper can be treated as a point particle. Use g for the magnitude of the acceleration due to gravity. How far below the bridge, d, will the jumper eventually be hanging, once the jumper stops oscillating and comes finally to rest? Assume that the jumper does not touch the water. Express your answer in…
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Given the following diagram: 1) Indicate/Sketch the LOI (line of impact) 2) What component of momentum is conserved from the following choices (Choose only one) a) Horizontal Component Only b) Vertical Component Only c) Component of the momentum of the ball along a perpendicular axis relative to inclined surface d) Component of the momentum of the ball along a parallel axis relative to inclined surface

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