Question: Show that if e and f are unit vectors such that |le + f|| = 2, then ||e f|| = 7. Show that e. f

Show that if e and f are unit vectors such that |le + f|| = 2, then ||e f|| = Show that e. f = -100

|le + f|| = 2, then ||e f|| = 7. Show that e. f = -100

Step by Step Solution

★★★★★

3.40 Rating (144 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock

We use the relation of the dot product with length and properties o... View full answer

blur-text-image
Question Has Been Solved by an Expert!

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

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Calculus 4th Questions!

Q:

Randy and Randi Randall are the parents of two preschool children. They started a business in 2018, making and installing window treatments. For 2018, the business generated $75,000 in sales and...

Q:

Find ||2e 3f||, assuming that e and f are unit vectors such that ||e + f|| = 3/2.

Q:

Accounting for income tax Tulip Ltd commenced business on 1 July 2018, with share capital of $700,000. The following information is available for the year ended 30 June 2019: Calculation of profit...

Q:

hi, i need answer on the questions below. please provide explanation or solution if needed so i can better understand it. thank youu! 7. The motion of a bicycle rider moving in a straight line is...

Q:

Calculus, Functions please provide a detailed answer 2. Consider the function f(I, y, 2) = vy'z - Dy - 6+2sin(2y -32), and the point P = (1, 3, 2) . (a) 1 mark. Calculate f (1, 3, 2). (b) 7 marks....

Q:

Oscorp, also known as Oscorp Industries, is a multi-billion dollar multinational corporation owned and run by scientist and businessman Norman Osborn. It is a multinational corporation based out of...

Q:

A. Choose a specific point P 0 = ( a , b , f ( a , b )) on the surface z = f ( x , y ), other than (0,0,0). 1. Calculate the gradient of f at ( a , b ). Show your work. 2. Calculate the unit vector...

Q:

Calculus, Functions please provide a detailed answer 2. Consider the function ay. z) = 1...!11 3:" + yz + Esin[3y + 22}. end the point P = (1.2. 3]I. {a} 1 mark. Calculate f{1,2_.3]|. {h} 5 marks....

Q:

The master schedule of Parsival Fabricators is designed to meet demands of 90 units of a product in week 7 of a cycle, 120 units in week 8 and 80 units in week 11. They currently have 20 units of the...

Q:

(8 points) Smashing Pumpkins Company uses the lower-of-cost-or-market method, on an individual-item basis, in pricing its inventory items. The inventory at December 31, 2014, consists of products D,...

Q:

On securing 95% marks in class XII, Ram's father gifted him a gold chain. But after 2 months, Ram noticed that the gold chain was losing the shine. He checked the mark on chain and found that it was...

Q:

What purpose(s) might be served by using each of the following priority rules for allocating scarce resources? a. As late as possible b. Shortest task duration time first c. Minimum slack first

Q:

Explain the quantity theory of money. What is the starting point for the theory? Is this theory supported by empirical data? Discuss.

Q:

55 Hearing impairment study. The Journal of Intellectual Disability Research (Feb. 1995) published a longitudinal study of hearing impairment in a group of elderly patients with intellectual...

Q:

Fill in the blank tan /2 = 1 cos / ____.

Q:

True or False sin(2) has two equivalent forms: 2 sin cos and sin 2 - cos 2

Q:

True or False tan(2) + tan(2) = tan(4)

Q:

The Short Stack expects to sell 8,000 units, 2 percent. The expected variable cost per unit is $8,3 percent, and the expected fixed costs are $20,000, 1 percent. The depreciation expense is $6,000....

Q:

Which of the following transactions does not involve an accrual? Recording the pre-payment of two years' worth of insurance. Recording operating expense incurred but not yet paid. Recording interest...

Q:

When strategy changes from off to def, what should you order the other BC to do ? What assignment should they get