# ana22

Most popular questions and responses by ana22
1. ## physics

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

2. ## physics

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

3. ## physics

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

4. ## PHYSICS

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

5. ## PHYSICS

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 from

6. ## physics

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

7. ## PHYSICS

IP A tennis player moves back and forth along the baseline while waiting for her opponent to serve, producing the position-versus-time graph shown in the figure(Figure 1) .Without performing a calculation, indicate on which of the segments of the graph, A,

8. ## physics

can you graph this for me? 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 minutes. A Plot a position-versus-time graph for this

9. ## PHYSICS

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. PART B)How much time does it take to stop?After braking half the time found in part A, is your

10. ## physics

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