An object is moving down a track at a speed of 632 miles per hour. It...
An object is moving down a track at a speed of 632 miles per hour. It is brought to a stop in 1.4 seconds. Include Units in your answer.
a. What is the acceleration of the object?
b. How far did the object travel in the 1.4 seconds required to stop it?
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An object is moving down a track at a speed of 632 miles per
hour. It...
PROBLEMS and QUESTIONS 1. An object moves across the floor and comes to a stop. Explain...
PROBLEMS and QUESTIONS 1. An object moves across the floor and comes to a stop. Explain how Aristotle and Galileo would view this motion differently. 2. Explain the difference between speed and velocity and give examples of each. 3. Explain how an object can have a constant speed and a varying velocity. 4. What are the units of acceleration? 5. If an automobile travels at the rate of 40 miles per hour, how long will it take to travel 400...
Mr Sprayberry is running late to school. The speed limit is 40 miles per hour, and...
Mr Sprayberry is running late to school. The speed limit is 40 miles per hour, and he is stopped at a stop light. After the light turns green, he accelarates at 5.2 m/s for 19 seconds. Is he speeding a the end of his accelaration? What would his acceleration be for those 90 seconds in order to reach exactly 40 miles per hour?
A car drives a distance of .994569 miles going 20 miles per hour. How long did...
A car drives a distance of .994569 miles going 20 miles per hour. How long did it take the car to travel this distance in seconds?
A car travels 40 miles in 30 minutes. a. What is the average velocity in kilometers/hour?...
A car travels 40 miles in 30 minutes. a. What is the average velocity in kilometers/hour? b. If the car weighs 1.5 tons, what is its kinetic energy in joules (Note: you will need to convert your velocity to m/s)? c. When the driver applies the brake, it takes 15 seconds to stop. How far does the car travel (in meters) while stopping? d. What is the average acceleration of the car (in m/s2) during braking?
1a. You start out by driving 271 miles south in 2 hours and 15 minutes, and...
1a. You start out by driving 271 miles south in 2 hours and 15 minutes, and then you stop and park for a while. Finally you drive another 255 miles south in 3 hours and 55 minutes. The average velocity for your entire trip was 2.08 miles per hour to the north. How much time did you spend parked? b. A rocket-powered sled moves along a track, eventually reaching a top speed of 190 m/s to the east. It then...
42. Car A drives East at a constant 25 miles per hour. At timet0 Car B...
42. Car A drives East at a constant 25 miles per hour. At timet0 Car B starts 250 miles East of Car A and begins from rest, driving West. Car B, however, has a constant acceleration of 10 miles per hour. How far will Car B have to travel (in miles) before the cars are at the same location?
a car moving at 30 miles per hour is trying to stop on an icy Road....
a car moving at 30 miles per hour is trying to stop on
an icy Road. the maximum possible declaration
details please
W) 7 m/s? A car moving at 35 mph is trying to stop on an icy road. The maximum possible deceleration rate is given by a μ g where g is the gravitational acceleration and μ the coefficient of friction. How long is the car's braking distance? Take-02, which is a reasonable value for this situation. 61 m...
2. A 106-kg object is initially moving in a straight line with a speed of 51.3...
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A train moving with a velocity of 35.9 km/hour North, increases its speed with a uniform...
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18. A rocket leaves the earth's atmosphere at 30,000 miles per hour. From this point it...
18. A rocket leaves the earth's atmosphere at 30,000 miles per hour. From this point it accelerates to 55,000 mph in 5 hours. Assuming constant acceleration: Find the acceleration. a. b. How far does the rocket travel in those first 5 hours after leaving the atmosphere?
PROBLEMS and QUESTIONS 1. An object moves across the floor and comes to a stop. Explain how Aristotle and Galileo would view this motion differently. 2. Explain the difference between speed and velocity and give examples of each. 3. Explain how an object can have a constant speed and a varying velocity. 4. What are the units of acceleration? 5. If an automobile travels at the rate of 40 miles per hour, how long will it take to travel 400...
42. Car A drives East at a constant 25 miles per hour. At timet0 Car B starts 250 miles East of Car A and begins from rest, driving West. Car B, however, has a constant acceleration of 10 miles per hour. How far will Car B have to travel (in miles) before the cars are at the same location?
a car moving at 30 miles per hour is trying to stop on
an icy Road. the maximum possible declaration
details please
W) 7 m/s? A car moving at 35 mph is trying to stop on an icy road. The maximum possible deceleration rate is given by a μ g where g is the gravitational acceleration and μ the coefficient of friction. How long is the car's braking distance? Take-02, which is a reasonable value for this situation. 61 m...
2. A 106-kg object is initially moving in a straight line with a speed of 51.3 m/s. (a) If it is brought to a stop with a decelera- tion of 1.97 m/s2, what force is required, what distance does the object travel, and how much work is done by the force? (b) An- swer the same questions if the object's deceleration is 4.82 m/s?. 3. To push a 25-kg crate up a 27° incline, a worker exerts a force of...
18. A rocket leaves the earth's atmosphere at 30,000 miles per hour. From this point it accelerates to 55,000 mph in 5 hours. Assuming constant acceleration: Find the acceleration. a. b. How far does the rocket travel in those first 5 hours after leaving the atmosphere?
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