An NFL linebacker weighs 252 lbs. What is his mass in kg if 1 lb=0.454 kg? A runner with a mass of 60 kg begins from rest and increases his speed to 3 m/s in 60 s. What is the net force on the runner?

An NFL linebacker weighs 252 lbs. What is his mass in kg if 1 lb=0.454 kg? A runner with a mass of 60 kg begins from rest and increases his speed to 3 m/s in 60 s. What is the net force on the runner?

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter5: Displacement And Force In Two Dimensions

Section5.2: Friction

Problem 23PP

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Question

An NFL linebacker weighs 252 lbs. What is his mass in kg if 1 lb=0.454 kg?

A runner with a mass of 60 kg begins from rest and increases his speed to 3 m/s in 60 s. What is the net force on the runner?

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