Thank you for visiting How long will it take a 300 watt motor to complete a job that requires 1200 Joules of work A 4 seconds B 3600 seconds. This page is designed to guide you through key points and clear explanations related to the topic at hand. We aim to make your learning experience smooth, insightful, and informative. Dive in and discover the answers you're looking for!
Answer :
Final answer:
A 300 watt motor uses 300 Joules of energy per second. To find out how long it will take for the motor to use 1200 Joules of work, we divide the total energy required by the rate of energy usage. The result is 4 seconds.
Explanation:
In the subject of physics, a watt is a measurement of power which is a rate of energy conversion or transfer and is defined as one joule (a unit of energy) per second. Therefore, a 300 watt motor means the motor is using 300 Joules of energy every second.
To find out how long it will take for this motor to use 1200 Joules of work, we can divide the total amount of energy required (1200 Joules) by the rate at which the motor uses energy (300 Joules per second). Hence, 1200 Joules ÷ 300 Joules/second = 4 seconds. Therefore, the answer is a. 4 seconds.
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