1. Gabe is riding in a roller coaster car that has a mass of 625-kg. If Gabe has a mass of 50 kg and the car is moving with a velocity of 18.3 m/s, what is the kinetic energy of Gabe and the car? 105,000j
1. Gabe is riding in a roller coaster car that has a mass of 625-kg. If Gabe has a mass of 50 kg and the car is moving with a velocity of 18.3 m/s, what is the kinetic energy of Gabe and the car? 105,000j
Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
Section: Chapter Questions
Problem 1LR
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Question
Transcribed Image Text:11:15 1
La'Donna Mitchell -.
Name
Period:
Date:
fKinetic Energy Practice Problems:
Kinetic energy is found by % Mass x Velocity
Don't forget to record your answer in joules (j)
1. Gabe is riding in a roller coaster car that has a mass of 625-kg. If Gabe has a
mass of 50 kg and the car is moving with a velocity of 18.3 m/s, what is the
kinetic energy of Gabe and the car? 105,000j
2. If the roller coaster car in the above problem were moving with twice the
speed, then what would be its new kinetic energy?
3. Joey is driving 900-kg compact car moving at 25 m/s. What is its kinetic
energy?
4. What is its kinetic energy if the car is moving at 15 m/s?
5. Bonus Question: Missy Diwater, the former platform diver for the Ringling
Brother's Circus, had a kinetic energy of 12 000 J just prior to hitting the
bucket of water. If Missy's mass is 40 kg, then what is her speed? You have
to work backwards
Expert Solution
Step 1
We’ll answer the first question since the exact one wasn’t specified. Please submit a new question specifying the one you’d like answered.
Mass of the car = 625Kg
Mass of Gabe = 50 Kg
Total mass = 625+50 =675Kg
The velocity of the car = 18.3 m/s
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