Question: A 45.0-kg girl is standing on a plank that has a mass of 150 kg. The plank, originally at rest, is free to slide on

A 45.0-kg girl is standing on a plank that has a mass of 150 kg. The plank, originally at rest, is free to slide on a frozen lake, which is a flat, frictionless supporting surface. The girl begins to walk along the plank at a constant speed of 1.50 m/s relative to the plank.
(a) What is her speed relative to the ice surface?
(b) What is the speed of the plank relative to the ice surface?

Step by Step Solution

★★★★★

3.43 Rating (159 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

a b Let v and v be the velocity of the girl and the plank relative to the ice surface Then we may ... View full answer

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Document Format (1 attachment)

P-M-L-M (21).docx

120 KBs Word File

Students Have Also Explored These Related Mechanics Questions!

A sample of dry air that has a mass of 100.00 g, collected at sea level, is analyzed and found to consist of the following gases: Nitrogen (N2) = 75.52 g Oxygen (O2) = 23.15 g Argon (Ar) = 1.28 g...

A 15-ft3 steel container that has a mass of 75 lbm when empty is filled with liquid water. Initially, both the steel tank and the water are at 120F. Now heat is transferred, and the entire system...

A 4 1 . 1 kg girl is standing on a 1 3 3 kg plank. The plank, originally at rest, is free to slide on a frozen lake, which is a flat, frictionless surface. The girl begins to walk along the plank at...

1. [-l2 Points] DETAILS SERPSE10 9.1.0P.001. 0/6 Submissions Used MY NOTES ASK YOUR TEACHER A particle with kinetic energy equal to 276 J has a momentum of magnitude 26.4 kg - m/s. Calculate the...

A 45'1-kg girl is standing on a 148-kg plank. Both originally at rest on a frozen lake that constitutes a frictionless, flat surface. The girl begins to walk along the plank at a constant velocity of...

speeu 19,94 V rm 5 mass kg Need Help? 2. [OH Points] PREVIOUS ANSWERS SERPSE1D 9.1 .P.003. ASK YOUR TEACHER PRACTICE ANOTHER A basebal approaches home plate at a speed of 47.0 mfs, moving...

A 4 1 . 4 kg girl is standing on a 1 6 0 kg plank. The plank, originally at rest. is free to slide on a frozen lake, which is a flat, frictionless surface. The girl begins to walk along the plank at...

ASK YUUR IEACHER A 4 5 . 2 - k g girl is standing on a 1 4 7 - k g plank. Both originally at rest on a frozen lake that constitutes a frictionless, flat surface. The girl begins to walk along the...

A 4 5 . 7 kg girl is standing on a 1 5 9 kg plank. The plank, originally at rest, is free to slide on a frozen lake, which is a flat, frictionless surface. The girl begins to walk along the plank at...

Which of the following reactions cannot occur, and why? a) p * + b) p n + e* c) (l116) p + K-* d) (1450) p + K- + *

Question # 03 Light passes through a single narrow slit. The top graph in the figure shows the measured light intensity I(x) on a screen behind the slit. a. Graph the amplitude function A(x). Keep in...

For each business activity listed, choose whether it is a cash or non - cash transaction. For cash transactions, choose whether it is a cash inflow or outflow, and in which section of the cash flow...

Describe Problems in education according to points.

Prove that in a rhombus, each diagonal bisects opposite angles. Given: Rhombus REAL with diagonals CE Prove: 21= 24; 22= 23 Proof: Statements Reasons 1. OREAL with diagonal LE 2. RE a LA; RL a EA 1....

On January 1, 2019, a company's balance sheet reports its investments in debt securities as follows: Assets Investment in HTM securities. $207,544 Supporting information: The HTM securities are...

Scarcity in economics means: we do not have sufficient resources to produce all the goods and services we want. the wants of people are limited. there must be poor people in rich countries. shortages...

Jenek Corporation had the following transactions pertaining to debt investments. 1. Purchased 50 9%, $1,000 Leeds co. bonds for $50,000 cash. Interest is payable annually on January 1, 2017. 2....

2. Write a Visual Basic Do clause that stops the loop when the value in the intOrdered variable is greater than the value in the intOnHand variable. Use the Until keyword. Then rewrite the Do clause...

Please can you help with this problem? Thank you. Question 1 1.5 pts Which of the following is a necessary component for an experiment to potentially yield a cause-and- effect conclusion? 0 Subjects...

Question 1) Todays electronics specializes in manufacturing modern electronic components. It also builds the equipment that produces the components. Phyllis Weinberger, who is responsible for...

CBD Computer Inc. is attempting to estimate its needs for funds during each of the months covering the third quarter of 20XX. Pertinent information is given below: a. Past and estimated future sales...