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 car goes 44 m/s around a curved section of track that has a radius of 320 m. What is the car's speed if its acceleration is 12 m/s2?
62 m/s |
||
68 m/s |
||
65 m/s |
||
58 m/s |
QUESTION 5 A bicyclist has an average speed of 5.6 m/s during a race. How long...
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.
A bicyclist increases their speed from 10.0 m/s to 16.0 m/s, at an average rate of 1.5 m/s?. It will take her s to go through this acceleration Incorrect Question 13 0/2 pts In the previous problem, the bicyclist covers a distance of m while accelerating 6
#15 and #11 11. ssm A bicyclist makes a trip that consists of three parts, each in the same direction (due north) along a straight road. During the first part, she rides for 22 minutes at an average speed of 7.2 m/s. During the second part, she rides for 36 minutes at an average speed of 5.1 m/s. Finally, dur- ing the third part, she rides for 8.0 minutes at an average speed of 13 m/s. (a) How far has...
A long-distance runner has an average speed of 2 m/s during a race. How far does the runner travel in 25 min?
During a barrel race, a horse and rider reach a speed of 13.5 m/s, but they need to slow down to a speed of 5.25 m/s in order to make a tight turn around the next barrel. If the largest acceleration they can achieve is 3.20 m/s2, how far from the next barrel do they need to be when they start slowing down?
1. A Ferris wheel at a carnival has a radius of 8 m and turns so that the speed of the riders is 11 m/s. (a) What is the magnitude of the centripetal acceleration of the riders? (b) What is the magnitude of the net force is required to produce this centripetal acceleration for a rider with a mass of 65 kg? 2.Two 325-kg masses (722 lb) are separated by a distance of 6 m. Using Newton's law of gravitation,...
Question 6 4 points Save Answer After an average acceleration of 3.09 m/s2 during 2.81 s, your car reaches a velocity of 145 m/s. Find the car's initial velocity O a-5.82 m/s O b. 0.00 m/s C 5.82 m/s d. 23.1 m/s
Question 1 5 pts A car is initially traveling at 10 m/s when it is subjected to the acceleration shown below. Find the car's max speed in m/s a (m/s2) 6 t' t(s) 15 -4
A motorcycle, which has an initial linear speed of 8.4 m/s, decelerates to a speed of 1.9 m/s in 5.8 s. Each wheel has a radius of 0.62 m and is rotating in a counterclockwise (positive) directions. What is (a) the constant angular acceleration (in rad/s2) and (b) the angular displacement (in rad) of each wheel?
A rotating object has a linear speed of 1.7 m/s. It undergoes a centripetal acceleration of 4.5m/s2. What is the radius of the mass's circular motion?