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6. A standard baseball has around 146 g. If a ball comes off a bat with 30 W of kinetic energy, how fast is the ball traveling?

6. A standard baseball has around 146 g. If a ball comes off a bat with 30 W of kinetic energy, how fast is the ball traveling?

College Physics
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 #6 please

### Physics Problem Set --- **Problem 5:** Water is pumped to a 43 m tall water reserve tower for a small municipality at a rate of 342.0 m³/min. Calculate the power needed by the water pump, and the potential energy rate of increase for the water. --- **Problem 6:** A standard baseball has around 146 g. If a ball comes off a bat with 30 W of kinetic energy, how fast is the ball traveling? --- **Problem 7:** Using conservation of mechanical energy concepts, calculate the kinetic energy and velocity of a refrigerator dropped by a crane as it hits the ground from a height of 15 m. --- **Problem 8:** State three types of *alternative energy*: --- This set of problems is designed to help students apply concepts of energy conservation, energy transformation, and alternative energy sources. It combines real-world applications with theoretical physics to enhance learning and understanding.
Transcribed Image Text:### Physics Problem Set --- **Problem 5:** Water is pumped to a 43 m tall water reserve tower for a small municipality at a rate of 342.0 m³/min. Calculate the power needed by the water pump, and the potential energy rate of increase for the water. --- **Problem 6:** A standard baseball has around 146 g. If a ball comes off a bat with 30 W of kinetic energy, how fast is the ball traveling? --- **Problem 7:** Using conservation of mechanical energy concepts, calculate the kinetic energy and velocity of a refrigerator dropped by a crane as it hits the ground from a height of 15 m. --- **Problem 8:** State three types of *alternative energy*: --- This set of problems is designed to help students apply concepts of energy conservation, energy transformation, and alternative energy sources. It combines real-world applications with theoretical physics to enhance learning and understanding.
Expert Solution
Step 1

Note: The unit of kinetic energy mentioned in the question is incorrect, considering the unit of Joules for kinetic energy the following solution is given.

(6)

Given:

mass of baseball, m=146 g=146×10-3 kg

Kinetic energy of the ball, K.E=30 J

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