Question

# Hookes review Flag this Question Question 1 20 pts A student pulls a cart across the...

Hookes review

Flag this Question
Question 1

20 pts

A student pulls a cart across the floor with a force of 62 N. If the cart travels 65 m, how much work does the cart do on the student? Please do not include units or the answer will be marked incorrect.

Flag this Question
Question 2

20 pts

Object A has a mass of m with a speed of v. Object B has a mass of m and a velocity of 2v. Compared to the kinetic energy of Object A, the kinetic energy of Object B is

4 times larger

1/2 as large

1/4 as large

2 times larger

Flag this Question
Question 3

20 pts

A rocket launcher has a spring constant of 214 N/m. What force is required to stretch the spring a distance of 6 m? You must show work to earn credit for your answer.
HTML EditorKeyboard Shortcuts

12pt
Paragraph

0 words

Flag this Question
Question 4

20 pts
An 845 N sled is pulled a distance of 185 m. The task is done by pulling on a rope with a force of 125 N at an angle of 59° with the horizontal.
• How much work is done in pulling the sled?
• What is the acceleration in the x direction, assuming that friction is negligible?
• Assuming the sled started at rest, how long does it take to pull the sled 185 m?

HTML EditorKeyboard Shortcuts

12pt
Paragraph

0 words

Flag this Question
Question 5

19 pts

A 43 kg child slides down a playground slide that is 3.2 m high.
What is the child's velocity as she hits the ground?
Create an LOL chart to represent this problem and then solve the problem.
All work must be shown to receive credit.
Choose a File

Flag this Question
Not saved Submit Quiz
Questions
Time Elapsed: Hide
Attempt due: Mar 27 at 11:59pm

#### Earn Coins

Coins can be redeemed for fabulous gifts.

##### Need Online Homework Help?

Most questions answered within 1 hours.