A 30-kg girl and a 25-kg boy are standing on frictionless roller skates. The girl pushes the
Question:
A 30-kg girl and a 25-kg boy are standing on frictionless roller skates. The girl pushes the boy, who moves off at 1.0 m/s. The girl’s speed is
a. 0.45 m/s
b. 0.55 m/s
c. 0.83 m/s
d. 1.2 m/s
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 61% (13 reviews)
m 1 30 kg m 2 25 kg u 1 u 2 0 v 1 ...View the full answer
Answered By
HABIBULLAH HABIBULLAH
I have been tutor on chegg for approx 5 months and had solved a lot of questions.
5.00+
1+ Reviews
10+ Question Solved
Related Book For
Question Posted:
Students also viewed these Sciences questions
-
A 2.0-kg block is moving to the right at 1.0 m/s just before it strikes and sticks to a 1.0-kg block initially at rest. What is the total momentum of the two blocks after the collision?
-
A 2.0 kg object is moving to the right with a speed of 1.0 m/s when it experiences the force shown in FIGURE EX11.8. What are the objects speed and direction after the force ends? F, (N) 1.0 s - t...
-
A 2.0 kg object is moving to the right with a speed of 1.0 m/s when it experiences the force shown in FIGURE EX11.9. What are the objects speed and direction after the force ends? F, (N) 8. t (s)...
-
At December 31, 2018, Landy Products has cash of $24,000, receivables of $18,000, and inventory of $80,000. The companys equipment totals $182,000. Landy owes accounts payable of $22,000 and...
-
Air at 1 atm is contained between two concentric spheres having diameters of 10 and 8 cm and maintained at temperatures of 300 and 400 K. Calculate the free-convection heat transfer across the air...
-
In each of five situations, two point charges (Q 1 , Q 2 ) are separated by a distance d. Rank them in order of the electric potential energy, from highest to lowest. Q1 = 1 C, Q2 = 2 C, d = 1 m (b)...
-
In your opinion what are the six most important sections of the annual report. Why have you chosen these sections? LO1
-
Effects of denominator-level choice. Carlisle Company is a manufacturer of precision surgical tools. It initiated standard costing and a flexible budget on January 1, 2011. The company president,...
-
please help me SIS a Requirements - X ts 1. Journalize the year-end adjusting entry for bad debts on the basis of the aging schedule. Show the T-account for the Allowance for Bad Debts at December...
-
Harrison, Carla, and Fred are housepainters. Harrison and Carla can paint 100 square feet per hour using a standard paintbrush, and Fred can paint 80 square feet per hour. Any of the three can paint...
-
A 10,000-kg freight car moving at 2 m/s collides with a stationary 15,000-kg freight car. The two cars couple together and move off at a. 0.8 m/s b. 1 m/s c. 1.3 m/s d. 2 m/s
-
A skier is sliding downhill at 8 m/s when she reaches an icy patch on which her skis move freely with negligible friction. The difference in altitude between the top of the icy patch and its bottom...
-
Determine the equation of the graph 3 20 -3 -2 -l, 2 3 4
-
Consider k measurements that are corrupted by zero-mean Gaussian noise with s.d. , i.e., z=x+wi, i = 1,..., k (6) where x is a constant and w; ~N(0,0). The goal is to estimate the mean x and the...
-
1. For an inviscid flow, the momentum equation for a Newtonian flow can be written as: -(puu;)+ Jxi (pu)+ at 2x j where p is the density and is the pressure. = = 0 (1) (a) In order to characterise a...
-
A flat sheet is in the shape of a rectangle with sides of lengths 0.400 m and 0.600 m. The sheet is immersed in a uniform electric field of magnitude 85.0 N/C that is directed at 20 from the plane of...
-
You are a new BCBA working for a therapeutic day school that serves individuals with disabilities from ages 5 through 21. Each classroom has 1 special education teacher, 1 behavior therapist (BT) and...
-
Mountain Sports, Inc., is a retailer that has engaged you to assist in the preparation of its financial statements at December 31, 2021. Following are the correct adjusted account balances, in...
-
Which of the following is a valid JavaScript statement? a. document.write('Boston, MA is called 'Beantown.'') b. document.write("Boston, MA is called "Beantown."") c. document.write("Boston, MA is...
-
Calculate I, , and a for a 0.0175 m solution of Na 3 PO 4 at 298 K. Assume complete dissociation. How confident are you that your calculated results will agree with experimental results?
-
Obtain an expression for the isothermal compressibility = 1/V (V /P) T for a van der Waals gas.
-
Use the result of Problem P3.10 to show that (C V /V) T for the van der Waals gas is zero.
-
Predict the geometry of each atom except hydrogen in the compounds below: a. b. c. d. - - I0 I0 :0I
-
Rayya Company purchases a machine for $117,600 on January 1, 2021. Straight-line depreciation is taken each year for four years assuming a eight-year life and no salvage value. The machine is sold on...
-
Consolidated Aluminum is considering the purchase of a new machine that will cost $308,000 and provide the following cash flows over the next five years: $88,000, 92,000, $91,000, $72,000, and...
-
4. terien it (istriater) Eictrucilition 4. terien it (istriater) Eictrucilition
Study smarter with the SolutionInn App