Homework1- a worker with spikes on his shoes pulls with a constanthorizontal force of magnitude 20 N on a box of mass 40 kgresting on the flat, frictionless surface of a frozen lake. Whatis the acceleration of the box ?2- If we take east as x – axis and north as y – axis, thendisplacement = 20 °i +10°j. Find the magnitude of displacement.3- A man walks on a straight road from his home to a market2.5 km away with a speed of 5 km/hr. Finding the marketclosed, he instantly turns and walks back home with a speedof 7.5 km/hr. Find The average speed of the man over theinterval of time o to 40 min.4- The motion of a particle is described by the equation x = a+ bt where a =15cm and b 3cm. find the velocity at time 3sec.5- The displacement of the particle is given by y= a + bt + ct- dt'. Find the initial velocity and acceleration.6- A particle is moving eastwards with velocity of 5 m/sec. In10 sec the velocity changes to 5 m/sec northwards. What isthe average acceleration and direction?V2 = 5 m/secV1 = 5 m/ sec

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Description: Homework1- a worker with spikes on his shoes pulls with a constanthorizontal force of magnitude 20 N on a box of mass 40 kgresting on the flat, frictionless surface of a frozen lake. Whatis the acceleration of the box ?2- If we take east as x – axis

Given: The mass of the box is 40 kg. The force on the box is 20 N. Introduction: The force on a body…

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1- a worker with spikes on his shoes pulls with a constant horizontal force of magnitude 20 N on a box of mass 40 kg resting on the flat, frictionless surface of a frozen lake. What is the acceleration of the box ?

1- a worker with spikes on his shoes pulls with a constant horizontal force of magnitude 20 N on a box of mass 40 kg resting on the flat, frictionless surface of a frozen lake. What is the acceleration of the box ?

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter4: Dynamics: Force And Newton's Laws Of Motion

Section: Chapter Questions

Problem 16PE: A brave but inadequate rugby player is being pushed backward by an opposing player who is exerting a...

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