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
An airplane travels at 850 km/h at sea level where the temperature is 10C. How fast would the airplane be flying at the same Mach number at an altitude where the temperature was 50C?
Construct and interpret separate profits charts for the CART model and the C5.0 model. (Extra credit: Find a way to construct a single profits chart comparing the two models.) Where is the peak...
Foghorn Leghorn is considering the replacement of an old egg-sorting machine used with his Foggy's Farm Fresh Eggs business. The old ,egg machine is not quite running eggs actly the way it was...
Exercise 7-13A Effect of credit card sales on financial statements LO 7-6 71 Uitra Day Spa provided $120,000 of services during Year 1 Al customers paid for the services with credit cards. Uitra...
a. Return to the previous problem, and compute the value of Better Mousetraps for assumed sustainable growth rates of 6% through 9%, in increments of .5%. b. Compute the percentage change in the...
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....
Describe how the contemporary theories of motivation complement one another.
Complete Exercises 2-B and 2-H in Writing and Analysis in the Law using what you learned in the reading and in the Seminar. Use paragraph form, use complete sentences, and make sure you use proper...
What is the value of a stock expected to be in 9 years if the annual dividend is expected to remain unchanged forever at $3.65, the expected rate of return is 6.9% per year, and the next dividend is...
Once invested IN a corporation, shareholders want their money out - they want a return on investment! John owns 2 5 % of REFUND CORP INC, which paid out a $ 5 0 , 0 0 0 distribution to him on 1 2 / 3...
Worksheet Financial Statement Ratios. Lowe's Companies, Inc Jan 28, 2022 and Jan. 29, 2021 Current Ratio Current Assets / Current Liabilities Acid Test Current Assets Current Liabilities (Cash + ST...
3. Peter Senen operates in a JIT manufacturing system. For August, Peter Senen purchased 10,000 units of raw materials at P1.00 per unit on account.What is the The journal entry to record the...
In Exercises 9497, determine whether each statement makes sense or does not make sense, and explain your reasoning. Every linear system has infinitely many ordered-pair solutions.
Privitera and Freeman (2012) constructed a scale to measure or estimate the daily fat intake of participants; the scale was called the estimated daily intake scale for fat (EDIS-F). To validate the...
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...
What is Coke's average ownership percentage in its equity method investments? Goodwill is 7000 Calculate the firm's current ratio (current assets/current liabilities). Calculate the current ratio...
John has to choose between Project A and Project B, which are mutually exclusive. Project A has an initial cost of $30,000 and an internal rate of return of 16 percent. Project B has an initial cost...
Complete the table below, for the above transactions

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