In the projectile motion experiment shown, the relation between h & D2 is shown in the following figure. if the initial velocity at point B (Vo =1.5 m/s). Then the experimental value of the gravity acceleration (g) is: (in (cm/s)) 70 65 60 55 50 45 y 40 Vo 25 20 15 10 h C. 250 500 750 1000 1250 1500 1750 2000 2250 2500 D'(cm?) O 1050 O 860 2 980 O 1125 O 1575 B
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- Using the following graph and data table please find: horizontal & vertical velocity, and the velocity at 0.155 sec and 0.255 sec (w) x (w) A Time (sec) 0.000 0.033 0.066 0.100 0.133 0.166 0.200 0.233 1.20 1.0 0.8 0.6 0.4 0.2 0 0 0.266 0.300 0.333 0.366 0.400 0.05 0.10 ● x (m) 1.200 1.141 1.079 1.017 0.959 0.899 0.837 0.779 0.717 0.657 0.601 0.546 0.489 0.15 0.20 time (s) 0.25 ... y (m) 1.051 1.040 1.017 0.980 0.933 0.878 0.806 0.730 0.636 0.536 0.416 0.303 0.174 0.30 ● 0.35 ● 0.40Andrew has several tables filled with data describing moving objects. Which table has data thatdescribes an accelerating object?When the human body is at rest, the heart pumps 4.6 L of blood into the aorta every minute. During some exceptional exertion, such as playing sports, the amount of blood delivered to the aorta increases to 25 L every minute. If the area of the opening of the aorta is A = 0.81 cm2 What is the average velocity of blood as it enters the aorta in each of these cases?
- A pig on roller skates is moving with an initial velocity of -10 m/s and is accelerating at a rate of 2m/s/s, therefore the pig is __________during the next 2 seconds.What is her velocity at 15 s?Time Position Velocity 0 0 0.05 0.08 1.6 0.1 0.17 1.7 0.15 0.26 1.73333333 0.2 0.35 1.75 0.25 0.459 1.836 0.3 0.59 1.96666667 0.35 0.73 2.08571429 0.38 0.9144 2.40631579 Velocity vs time What is the acceleration of the ball independently for each component of the motion as a function of time? What is the acceleration of the ball for: When it is thrown When it is caught/lands Magnitude at its highest point? What are the Launch Velocity and velocity of the highest point for the velocity vs time graph? Is this value reasonable?
- What is the average value g we get after we complete the data table? Values are: 10.29 m/s2 9.25 m/s2 8.68 m/s2Given the position vs time graph on the left, discuss and plot the associated velocity vs time and speed vs time graphs.tesponse A ball of mass 5 kg is thrown horizontally from top of a 30 m cliff as shown. It takes 4 seconds to reach the ground a distance of 100 m from the bottom of the cliff. What is the x components of the initial velocity? 30 m 100 m 25 m/s O 20 m/s O 35 m/s O 10 m/s A O 10) O O O
- Planet X was just discovered orbitinga nearby star! It orbits a start that is 6.9 times themass of our sun in a solar system just 31.3 light-years away. The acceleration due to gravity thereis 0.07 g. After making some measurements in lab, you start to daydream about travel to other planets. Your spring gun can launch a projectile with a speed of 3.7 m/s. What would happen if you were tolaunch a projectile at an angle of 32 ° abovehorizontal on Planet X? (a) What maximum height would the projectilereach?(b) How far would the projectile travel before ithit the ground? Assume the projectile lands at the same height it was launched from.At t=0 an object has a velocity of 35 m/s and a steady acceleration of -10 m/s2. Make a sketch of velocity vs. time for this motion from t=0 to t=5 s. Make a sketch of acceleration vs. time for this motion from t=0 to t=5 s. Does the object change directions between 0 and 6 s?At t=0 an object has a position of 1 m and has a steady velocity of -2.5 m/s. What will be the object’s position at t = 6 seconds? Make a sketch of position vs. time for this motion from t=0 to t=6 s. Make a sketch of velocity vs. time for this motion from t=0 to t=6 s. Does the object change directions between 0 and 6 s?