A person pushing a stroller starts from rest, uniformly accelerating at a
rate of 0.50 m/s2. What is the velocity of the stroller after it has travelled
9.0 m? (vf^2= vi^2+2aAx)
1 m/s
2 m/s
3 m/s
4 m/s
Solved
Show answers
More tips
- H Health and Medicine When can it be said that a person has a normal pulse?...
- A Art and Culture When Will Eurovision 2011 Take Place?...
- S Style and Beauty How to Choose the Perfect Hair Straightener?...
- F Family and Home Why Having Pets at Home is Good for Your Health...
- H Health and Medicine How to perform artificial respiration?...
- H Health and Medicine 10 Tips for Avoiding Vitamin Deficiency...
- F Food and Cooking How to Properly Cook Buckwheat?...
- F Food and Cooking How Many Grams Are In a Tablespoon?...
- L Leisure and Entertainment Carving: History and Techniques for Creating Vegetable and Fruit Decorations...
- P Photography and Videography How to Choose the Perfect Photo Paper for Your Images?...
Answers on questions: Physics
- M Mathematics If mno = pqr, which of the following can you conclude as being true? a. no = qr b. mn = pr c. m= q d. p= 0...
- M Mathematics Which set of the following numbers is greater than 5.23...
- B Biology How do the types of molecules a food contains relate to the number of calories they contain...
- M Mathematics The value of a car reduces by 30% every 6 months. A car costs $15,000 when new. What is the value of the car after 2 years?...
- H History The danube forms a border between these two countries. czech republic hungary poland slovakia...
Ответ:
Given - m = 54 kg
v = 3 m/s
Solution -
KE = 1 by 2 mv^2
KE = 1 by 2 x 54 x 3
( cut 2 and 54 because 2 x 27 = 54 )
KE = 27 x 3
KE = 81 J
.:. The kinetic energy is 81 joules.