A 20 kg child slides down a 3.0-m-high playground slide. She starts from rest, and her speed

Question:

A 20 kg child slides down a 3.0-m-high playground slide. She starts from rest, and her speed at the bottom is 2.0 m/s.

a. Describe the energy transfers and transformations occurring during the slide.

b. What is the change in the combined thermal energy of the slide and the seat of her pants?

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For book-img-for-question

Physics For Scientists And Engineers A Strategic Approach With Modern Physics

ISBN: 9780321740908

3rd Edition

Authors: Randall D. Knight

See More Books

Question Posted: Nov 27, 2020 12:50 AM

See More Questions

A child whose weight is 267 N slides down a 6.1 m playground slide that makes an angle of 20 o with the horizontal. The coefficient of kinetic friction between slide and child is 0.10. (a) How much...
A ski starts from rest and slides down a 22o incline 75 m long. (a) If the coefficient of friction is 0.090, what is the skis speed at the base of the incline? (b) If the snow is level at the foot of...
A skier with a mass of 63 kg starts from rest and skis down an icy (frictionless) slope that has a length of 50 m at an angle of 32 with respect to the horizontal. At the bottom of the slope, the...
Assume a memory hierarchy with two levels of cache, L1 and L2. a. What is the miss rate (MR1) for L1 if there are 75 misses per 1000 memory references? b. What is the miss rate (MR2) for L2 if there...
A manufacturing facility located at 32o N latitude has a glazing area of 60 m2 facing west that consists of doublepane windows made of clear glass (SHGC = 0.766). To reduce the solar heat gain in...
Common equity investors of Adventure Outfitter Corp. require a 24.6% return. The flotation costs of selling the stock amount to 3.2% of the selling price. The dividends are expected to grow at the...
Describe project quality management (PQM) in terms of planning for quality, quality assurance, and quality control to continuously improve the projects products and supporting processes. AppendixLO1
Whittington Company produces two types of leather purses: standard and handcrafted. Both purses use equipment for cutting and stitching. The equipment also has the capability of creating standard...
Required: 1. Use the following information to complete the Adjustments and Adjusted Trial Balance columns of the work sheet. a. Depreciation on equipment, $11 b. Accrued salaries, $14 $11 14 20 c....
Cost data for Johnstone Manufacturing Company for the month ended March 31 are as follows: a. Prepare a cost of goods manufactured statement for March. b. Determine the cost of goods sold for March....
The mass of a carbon atom is 2.0 10 -26 kg. a. What is the kinetic energy of a carbon atom moving with a speed of 500 m/s? b. Two carbon atoms are joined by a spring-like carbon-carbon bond. The...
A cable with 20.0 N of tension pulls straight up on a 1.02 kg block that is initially at rest. What is the blocks speed after being lifted 2.00 m? Solve this problem using work and energy.
A major theme of this chapter is that our cognitive processes influence ethical decision making. Use the theme to comment on the following statement, which various religions claim as their own and...
Before beginning a study investigating the ability of the drug heparin to prevent bronchoconstriction, baseline values of pulmonary function were measured for a sample of 12 individuals with a...
which of the following (list all that apply) are advantages of a balanced binary search tree over an unbalanced one: 1. it requires less memory 2. it's faster to move from node to node 3. it's faster...
6) Do you find conditional probability problems challenging? Have you tried watching the videos on canvas and has it helped?
1. Determine the cost of heating 3 gallons of water (water weighs 8.33L per gallon ) at a room temperature of 22 degrees Celsius to the boiling point of 100 degrees Celsius at the energy rating of...
Writer One Inc. manufactures ball point pens that sell at wholesale for $0.80 per unit. Budgeted production in both 2018 and 2019 was 16,000 units. There was no beginning inventory in 2018. The...
An item that costs a retailer $58.50 is normally sold for $95. During a storewide sale, the item was marked down by 30%. a. What is the normal rate of markup based on cost? b. What was the reduced...
Show that every group G with identity e and such that x * x = e for all x G is abelian.
(a) Show that for a wave on a string, the kinetic energy per unit length of string is where is the mass per unit length of string is (b) Calculate for a sinusoidal wave given by Eq. (15.7). (c) There...
Sound is detected when a sound wave causes the tympanic membrane (the eardrum) to vibrate. Typically, the diameter of this membrane is about 8.4 mm in humans. (a) How much energy is delivered to the...
A fan at a rock concert is 30 m from the stage, and at this point the sound intensity level is 110 dB. (a) How much energy is transferred to her eardrums each second? (b) How fast would a 2.0-mg...
7 . 4 3 Buy - side vs . sell - side analysts' earnings forecasts. Refer to the Financial Analysts Journal ( July / August 2 0 0 8 ) study of earnings forecasts of buy - side and sell - side analysts,...
Bond P is a premium bond with a coupon of 8.6 percent , a YTM of 7.35 percent, and 15 years to maturity. Bond D is a discount bond with a coupon of 8.6 percent, a YTM of 10.35 percent, and also 15...
QUESTION 2 (25 MARKS) The draft financial statements of Sirius Bhd, Vega Bhd, Rigel Bhd and Capella for the year ended 31 December 2018 are as follows: Statement of Profit or Loss for the year ended...

A 20 kg child slides down a 3.0-m-high playground slide. She starts from rest, and her speed

Question:

Step by Step Answer:

Visualize Solve a At the top of the slide the child has gravitational potential energy ...View the full answer

Physics For Scientists And Engineers A Strategic Approach With Modern Physics

Students also viewed these Mathematics questions