What is the force of a 35 kg object that falls from the sky and hits the ground, without air resistance? What is the momentum of a 12 kg dog that is moving at a velocity of 8 m/s? What is the weight of a whale shark that has a mass of 18,000 kg? [REMEMBER: weight and mass are NOT the same!!!] What is the acceleration of a

University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter9: Linear Momentum And Collisions
Section: Chapter Questions
Problem 34P: A ball of mass 250 g is thrown with an initial velocity of 25 m/s at an angle of 30 with the...
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  1. What is the force of a 35 kg object that falls from the sky and hits the ground, without air resistance?
  2. What is the momentum of a 12 kg dog that is moving at a velocity of 8 m/s?
  3. What is the weight of a whale shark that has a mass of 18,000 kg? [REMEMBER: weight and mass are NOT the same!!!]
  4. What is the acceleration of a racecar that is slowing down to a stop from 300 km/h to rest over 30 minutes?
  5. How far is a car traveling north if it’s velocity is 55 mi/h and it is making a 12 hour trip?
  6. What is the acceleration of an object that exerts a force of 1200 newtons with a mass of 40 kg?
  7. What is the mass of an object traveling 120 m/s that has a momentum of 60 kg*m/s?
  8. How long would it take a person to run 26 miles if they were running at an average speed of 5.5 mi/h?
  9. What is the mass of a cargo ship that weighs 1,960,000,000 newtons?
  10. What is the final velocity of a dolphin that starts at a velocity of 1.5 m/s and accelerates at a rate of 0.1 m/s2 over 2 minutes?
  11. An object has a momentum of 56 kg*m/s and is traveling at a velocity of 1.6 m/s.

 

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