Julie drives 100 mi to Grandmothers house. On the way to Grandmothers, Julie drives half the distance

Question:

Julie drives 100 mi to Grandmother’s house. On the way to Grandmother’s, Julie drives half the distance at 40 mph and half the distance at 60 mph. On her return trip, she drives half the time at 40 mph and half the time at 60 mph.

a. What is Julie’s average speed on the way to Grandmother’s house?

b. What is her average speed on the return trip?

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: 978-0133942651

4th edition

Authors: Randall D. Knight

See More Books

Question Posted: Mar 21, 2018 03:40 AM

See More Questions

In Figure 2-27, you walk from the park to your friend's house then back to your house. What are your (a) Distance traveled, (b) Displacement? In figure 2-27 Your house Park Library Friend's 0.75 mi-...
On her way to visit Grandmother, Red Riding Hood sat down to rest and placed her 1.2-kg basket of goodies beside her. A wolf came along, spotted the basket, and began to pull on the handle with a...
A man in search of his dog drives first 10.0 mi northeast, then 12.0 mi straight south, and finally 8.0 mi in a direction 30.0 north of west. What are the magnitude and direction of his resultant...
A company operates a standard absorption costing system and absorbs fixed production overheads based on machine hours. The budgeted fixed production overheads for the company for the previous year...
A variable frequency voltage source drives the network in fig 11.40. Determine the resonant frequency ,Q,BW and the average power dissipated by the network at resonance. 4 50mH R. 12 cos ot
Which of the following is in translational equilibrium? (a) An object whose center of mass is undergoing circular motion at constant speed. (b) A wheel spinning about an axis through its center of...
Plaintiffs operated a concession foods business called Festival Foods that provided food services at carnivals and festivals. The tangible assets of the business included a truck and servicing...
Canyon Company issued $600,000, 10-year, 6% bonds at 103. Instructions (a) Prepare the journal entry to record the sale of these bonds on January 1, 2014. (b) Suppose the remaining Premium on Bonds...
11. The current in a metallic conductor is plotted against voltage at two different temperatures T and T2. Which is correct :- Current 2 (1) T Voltage (2) T
Explain how each of the following actions will affect the level of planned investment spending and unplanned inventory investment. Assume the economy is initially in incomeexpenditure equilibrium. a....
Alan leaves Los Angeles at 8:00 a.m. to drive to San Francisco, 400 mi away. He travels at a steady 50 mph. Beth leaves Los Angeles at 9:00 a.m. and drives a steady 60 mph. a. Who gets to San...
Larry leaves home at 9:05 and runs at constant speed to the lamppost seen in FIGURE EX2.3. He reaches the lamppost at 9:07, immediately turns, and runs to the tree. Larry arrives at the tree at 9:10....
Crystal Scarves & Co. produces winter scarves. The scarves are produced in the Cutting and Sewing departments. The Maintenance and Security departments support these production departments, and...
1. Why are ideas not necessarily an entrepreneurial opportunity? What is necessary to bridge the gap? 2. How are prior knowledge and learning important to the recognition of opportunities? 3. What...
What are conflicts ? Why do conflicts may arise in an organization and how they can be managed ?
1- Which one of the following statements would not be TRUE for a zero-leveraged firm? a)There would be no tax shield. b)L would be equal to U. c)Firm value would be maximized. d)WACC would be the...
Anna inherited 100 shares of Kilo stock from her grandfather, who had purchased the stock on January 23, Year 1, for $48 per share. Anna's grandfather died on February 12, Year 2, and the fair market...
What is market research, and why is it considered a fundamental component of marketing and business decision-making?
A new medicine was given to a sample of 100 hospital patients. Of the total, 70 patients reacted favorably, 10 reacted unfavorably, and 20 were unaffected by the drug. Assume that this sample is...
What is beacon marketing? What are digital wallets?
Sam is recklessly driving 60 mph in a 30 mph speed zone when he suddenly sees the police. He steps on the brakes and slows to 30 mph in three seconds, looking nonchalant as he passes the officer. How...
A motorist is traveling at 20 m/s. He is 60 m from a stoplight when he sees it turn yellow. His reaction time, before stepping on the brake, is 0.50 s. What steady deceleration while braking will...
A car traveling at 30 m/s runs out of gas while traveling up a 10 slope. How far up the hill will the car coast before starting to roll back down? Draw a complete pictorial representation. Do not...
Mzee have Tshs 800,000,000 in the bank account, of which he wants to invest in Physical assets, Marketable investment and financial investments. As an expert in investment collect necessary...
find intervals of convergence of f(x), f'(x), f''(x) and the antiderivative of f(x). check for endpoints . f(x) = = n=1 (1)"+(x 2)" n
What force ( in N ) must be applied to a 1 5 0 . 0 kg crate on a frictionless plane inclined at 3 0 degree to cause an acceleration of 6 . 5 m / s 2 up the plane?

Julie drives 100 mi to Grandmothers house. On the way to Grandmothers, Julie drives half the distance

Question:

Step by Step Answer:

Model We will consider Larry to be a particle Visualize Solve Since Larrys speed is constan...View the full answer

Physics for Scientists and Engineers A Strategic Approach with Modern Physics

Students also viewed these Physics questions