The first one 80NA boy at the lake is skipping stones. He picks up a rock and throws it with a42 N force. The rock accelerates at 27 m/s2. What is the mass of the rock?Your answerA group of campers in a 215 kg raft paddle down a river with 60N of force.The current provides 35 N in the same direction. What is the accelerationof the raft?

From Newton's Second law, if mass is constant: F = ma ......(1) Here, F is force…

Answered: A boy at the lake is skipping stones.…

A boy at the lake is skipping stones. He picks up a rock and throws it with a 42 N force. The rock accelerates at 27 m/s2. What is the mass of the rock?

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter5: Newton's Law Of Motion

Section: Chapter Questions

Problem 5.5CYU: Check Your Understanding A car gas forces acting on it, as shown below. The mass of the car is...

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Question

The first one

80N
A boy at the lake is skipping stones. He picks up a rock and throws it with a
42 N force. The rock accelerates at 27 m/s2. What is the mass of the rock?
Your answer
A group of campers in a 215 kg raft paddle down a river with 60N of force.
The current provides 35 N in the same direction. What is the acceleration
of the raft?

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