ana22
This page lists questions and answers that were posted by visitors named ana22.
Questions
The following questions were asked by visitors named ana22.
You are driving through town at 14 m/s when suddenly a car backs out of a driveway in front of you. You apply the brakes and begin decelerating at 3.3 m/s2.How much time does it take to stop? After braking half the time found in part A, is your speed 7.0...
8 years ago
Blood flows through a major artery at 1.3 m/s for 0.40 s, then at 0.70 m/s for another 0.40 s through a smaller artery. Is the average speed of the blood 1.0 m/s, greater than 1.0 m/s, or less than 1.0 m/s ?Verify your answer to Part A by calculating the...
8 years ago
In heavy rush-hour traffic you drive in a straight line at 12 m/s for 1.5 minutes, then you have to stop for 3.5 minutes, and finally you drive at 15 m/s for another 2.5 minutesPlot a position-versus-time graph for this motion. Your plot should extend fro...
8 years ago
For a flourish at the end of her act, a juggler tosses a single ball high in the air. She catches the ball 3.6 s later at the same height from which it was thrown. Part A-What was the initial upward speed of the ball?2sf
8 years ago
Find the direction and magnitude of the following vectors. A⃗ =( 22 m )x^+( -15 m )y^ Express your answer in degrees using three significant figures. θA = Part B Express your answer in meters using two significant figures. |A⃗ | = m Part C B⃗ =( 2.5 m )x^...
8 years ago
You shoot an arrow into the air. Two seconds later (2.00 s) the arrow has gone straight upward to a height of 30.0 m above its launch point part A:What was the arrow's initial speed?part B:How long did it take for the arrow to first reach a height of 15.0...
8 years ago
Seven measurements of the length of a table in centimeters are 184.7, 182.3, 182.7, 182.1, 182.2, 184.1, and 182.9. Find the best estimate for the length of the table. Be sure to include units! Answer: Seven measurements of the length of a table in centim...
8 years ago
Answers
The following answers were posted by visitors named ana22.