A dragster makes a pass down a track in exactly 7.03 seconds. You do not know,...
A dragster makes a pass down a track in exactly 7.03 seconds. You do not know, and you do not need to know, the length of the track. At the end of this pass, its velocity is exactly 232 feet per second. Its average acceleration during this pass is _______ feet /second2 Your answer should be accurate to the nearest foot/second2
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A dragster makes a pass down a track in exactly 7.03 seconds.
You do not know,...
On May 5, 1961, Alan Shepard, Jr., became the first American to travel into outer space....
On May 5, 1961, Alan Shepard, Jr., became the first American to travel into outer space. His Mercury space capsule was carried on top of a Redstone rocket, which was a converted Intercontinental Ballistic Missile that propelled his capsule into a 15-minute sub-orbital flight with a maximum altitude of 117 miles and a maximum speed of 5,134 mph. During the boost phase of the flight, Commander Shepard experienced acceleration that was between 5 and 6 G’s . One "G" of...
Defined that natural length is unknown, can we assume its zero? do we need natural length?...
Defined that natural length is unknown, can we assume its zero?
do we need natural length?
128 feet 197 (1 point) A steel ball weighing 128 pounds is suspended from a spring. This stretches the spring The ball is started in motion from the equilibrium position with a downward velocity of 7 feet per second. The air resistance (in pounds) of the moving ball numerically equals 4 times its velocity (in feet per second) Suppose that after seconds the ballis...
D Question 10 1 pts You are driving on a straight road at exactly 26 miles...
D Question 10 1 pts You are driving on a straight road at exactly 26 miles per hour when you see a child run out in front of your car,chasing a ball. You push the brakes hard, which results in an acceleration of exactly-36000 miles/hour? The child freezes in panic and you cannot swerve to avoid the child because there are cars parked on both sides of the street. How many feet does your car travel before it comes to...
You have exactly 7 minutes 16 seconds to get to your next class on time and...
You have exactly 7 minutes 16 seconds to get to your next class on time and that classroom is 219 m east of where you are right now. First you run to your dorm room at an average velocity of 5.00 m/s to the south to pick up your calculator and your dorm room is 491 m south of where you were initially. What average velocity (magnitude only) do you now need to run from your dorm room to your...
Answer the following to understand probability. Pass the Pigs Pass the Pigs is a game in...
Answer the following to understand probability.
Pass the Pigs Pass the Pigs is a game in which players toss pig dice. The players score points based on the way the pig snout with two feet, and snout with one ear. 8 We want to know the probability of the pig landing on its back after it has been tossed. Since we don't After the pig is tossed in the air, it can land in sik different ways: left side, right...
"Extra 2.6.07 (Multistep) Use the exact values you enter to make later calculations. Push down, Relaxed...
"Extra 2.6.07 (Multistep) Use the exact values you enter to make later calculations. Push down, Relaxed ; length release from rest A spring has a relaxed length of 29 cm (0.29 m) and its spring stiffness is 6 N/m. You glue a 76 gram block (0.076 kg) to the top of the spring, and push the block down, compressing the spring so its total length is 16 cm. You make sure the block is at rest, then at time t...
Problem 1. You hit a bowling ball with a mallet, starting from rest. Every time you...
Problem 1. You hit a bowling ball with a mallet, starting from rest. Every time you hit it, its velocity increases by exactly 10 cm/s. You start timing (t 0 seconds) at the instant you hit the ball the first time, and you hit it once every second. Two simplifying approximations: (1) Suppose each hit is very short, so the speed changes in a short amount of time and (2) suppose the ball doesn't slow down between hits a. Att...
QUESTION 1 Starting in Albany, you travel a distance 370 miles in a direction 37.8 degrees...
QUESTION 1 Starting in Albany, you travel a distance 370 miles in a direction 37.8 degrees north of west. Then, from this new position, you travel another distance 348 miles in a direction 21.1 degrees north of east. In your final position, what is your displacement from Albany? 354 miles 84.8 degrees North of West 718 miles 58.9 degrees North of East 537 miles 38.2 degrees North of West 718 miles 58.9 degrees North of West QUESTION 2 You start...
4 Rally-car Tracking [5 marks] You are testing software designed to track race cars as they race around a track, to improve the quality of camera-work in race broadcasts on television. You are in a b...
4 Rally-car Tracking [5 marks] You are testing software designed to track race cars as they race around a track, to improve the quality of camera-work in race broadcasts on television. You are in a blimp, high above a speedway. The cabirn of the blimp has a glass floor, and by looking down, you can observe the racetrack below. There is a cair doing a time-trial. The software produces the following parametric equation approximating the position of the car at...
I need help with question 6 and 8, please. Thanks so much! :) wa 3 the...
I need help with question 6 and 8, please. Thanks so much!
:)
wa 3 the 5. The combined weight of a motorboat and its load is 480 egu pounds. After starting from rest at t= 0, the motor exerts a dow constant force of 30 pounds on the boat in its linear direction of of s motion. If the total resistance (in pounds) that the boat encounters (bu as it moves along its path is numerically equal to 3v12,...
Defined that natural length is unknown, can we assume its zero?
do we need natural length?
128 feet 197 (1 point) A steel ball weighing 128 pounds is suspended from a spring. This stretches the spring The ball is started in motion from the equilibrium position with a downward velocity of 7 feet per second. The air resistance (in pounds) of the moving ball numerically equals 4 times its velocity (in feet per second) Suppose that after seconds the ballis...
D Question 10 1 pts You are driving on a straight road at exactly 26 miles per hour when you see a child run out in front of your car,chasing a ball. You push the brakes hard, which results in an acceleration of exactly-36000 miles/hour? The child freezes in panic and you cannot swerve to avoid the child because there are cars parked on both sides of the street. How many feet does your car travel before it comes to...
Answer the following to understand probability.
Pass the Pigs Pass the Pigs is a game in which players toss pig dice. The players score points based on the way the pig snout with two feet, and snout with one ear. 8 We want to know the probability of the pig landing on its back after it has been tossed. Since we don't After the pig is tossed in the air, it can land in sik different ways: left side, right...
"Extra 2.6.07 (Multistep) Use the exact values you enter to make later calculations. Push down, Relaxed ; length release from rest A spring has a relaxed length of 29 cm (0.29 m) and its spring stiffness is 6 N/m. You glue a 76 gram block (0.076 kg) to the top of the spring, and push the block down, compressing the spring so its total length is 16 cm. You make sure the block is at rest, then at time t...
Problem 1. You hit a bowling ball with a mallet, starting from rest. Every time you hit it, its velocity increases by exactly 10 cm/s. You start timing (t 0 seconds) at the instant you hit the ball the first time, and you hit it once every second. Two simplifying approximations: (1) Suppose each hit is very short, so the speed changes in a short amount of time and (2) suppose the ball doesn't slow down between hits a. Att...
4 Rally-car Tracking [5 marks] You are testing software designed to track race cars as they race around a track, to improve the quality of camera-work in race broadcasts on television. You are in a blimp, high above a speedway. The cabirn of the blimp has a glass floor, and by looking down, you can observe the racetrack below. There is a cair doing a time-trial. The software produces the following parametric equation approximating the position of the car at...
I need help with question 6 and 8, please. Thanks so much!
:)
wa 3 the 5. The combined weight of a motorboat and its load is 480 egu pounds. After starting from rest at t= 0, the motor exerts a dow constant force of 30 pounds on the boat in its linear direction of of s motion. If the total resistance (in pounds) that the boat encounters (bu as it moves along its path is numerically equal to 3v12,...
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