A bicyclist increases their speed from 10.0 m/s to 16.0 m/s, at an average rate of...
A bicyclist increases their speed from 10.0 m/s to 16.0 m/s, at an average rate of 1.5 m/s2. It will take her sto go through this acceleration. 4 Question 13 0/2 pts In the previous problem, the bicyclist covers a distance of m while accelerating.
Need help with number 2. 1. A bicyclist increases their speed from 10.0 m/s to 16.0 m/s, at an average rate of 1.5 m/s2. It will take her _4_ s to go through this acceleration. (Which I got 4 seconds) 2. In the previous problem, the bicyclist covers a distance of ___________ m while accelerating. (not sure how to find the covered distance while accelerating.)
QUESTION 5 A bicyclist has an average speed of 5.6 m/s during a race. How long would it take the bicyclist to travel 1.5 miles? 7.2 minutes 4.9 minutes 6.5 minutes 8.6 minutes QUESTION 6 A child sits on the edge of a carnival Ferris wheel that has a radius of 64 feet. If the child's acceleration is 15 m/s2, what is the child's velocity? 13.2 m/s 17.1 m/s 15.5 m/s 12.0 m/s QUESTION 7 During a NASCAR race, a...
The angular speed of a ceiling fan increases uniformly 10.0 revs/s to 16.0 revs/s, and does so in 2.2 s (a) What is the angular displacement of the blades during the acceleration, expressed in revolutions? (b) What is the angular acceleration, expressed in standard units?
A bicyclist maintains a constant speed of 4.00 m/s up a hill that is inclined at 10.0 degrees with the horizontal. Calculate the work done by the person and the work done by gravity if the bicycle moves a distance of 19.0 m up the hill. The combined mass of the rider and the bike is 88.0 kg. 1) Calculate the work done by gravity. 2) Calculate the work done by the person.
A speed boat increases its speed from 20 m/s to 30 m/s in a distance of 200m. What is the magnitude of its acceleration?
Part A An airplane increases its speed at the average rate of 15 m/s? How much time does it take to increase its speed from 100 m's to 160 m's? 0 0.058 5 O 025 s O 175 O 405 Submit Request Answer Provide Feedback Part A Arunner ran the marathon (approximately 42.0 km) in 2 hours and 57 min. What was the average speed of the runner in m/s? O 3.95 m/s O 142 m/s O 124 m/s 14200...
Problem 40 A bicyclist maintains a constant speed of 4.00 m/s up a hill that is inclined at 10.0 with the horizontal. Calculate the work done by the person and the work done by gravity if the bicycle moves a distance of 19.0 m up the hill. The combined mass of the rider and the bike is 86.0 kg. 1) Calculate the work done by gravity. (Express your answer to three significant figures.) kJ Submit You currently have 2 submissions...
1) An 18-year-old runner can complete a 10.0 km course with an average speed of 4.52 m/s. A 50-year-old runner can cover the same distance with an average speed of 4.07 m/s. How much later (in seconds) should the younger runner start in order to finish the the course at the same time as the older runner? s 2) A sprinter explodes out of the starting block with an acceleration of +3.8 m/s2, which she sustains for 1.4 s. Then,...
A speedboat increases its speed uniformly from 30 m/s to 40 m/s in a distance of 300 m. Find a. the magnitude of its acceleration and b. the time it takes the boat to travel the 300 m distance.