[Answered] A bow is drawn so that it has 40 J of potential energy. When the arrow is fired its kinetic energy ...

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Author Question: A bow is drawn so that it has 40 J of potential energy. When the arrow is fired its kinetic energy ... (Read 18 times)

Pineapplelove6

Hero Member
Posts: 560

on: Jul 29, 2018

A bow is drawn so that it has 40 J of potential energy. When the arrow is fired its kinetic energy is ideally

A) less than 40 J.
B) more than 40 J.
C) 40 J.

Question 2

A 2-kg mass that weighs 20 N has 40 J of potential energy relative to the ground. What is its height?

A) 1 m
B) 2 m
C) 3 m
D) 4 m
E) none of the above

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Marked as best answer by a Subject Expert

jointhecircus

Sr. Member
Posts: 343

Reply #1 on: Jul 29, 2018

Answer to Question 1

Answer: C

Answer to Question 2

Answer: B

Pineapplelove6

Member
Posts: 560

Reply 2 on: Jul 29, 2018

TYSM

xiaomengxian

Member
Posts: 311

Reply 3 on: Yesterday

Excellent

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