Using the GUFSA Template. Round off your final answer to the nearest hundredths. A marble is dropped from rest from the top of a cliff 500 m high. a. Find the distance traveled after 10 seconds b. Calculate the total time of travel c. Find the final velocity or the velocity of the marble before it touches the g

Using the GUFSA Template. Round off your final answer to the nearest hundredths. A marble is dropped from rest from the top of a cliff 500 m high. a. Find the distance traveled after 10 seconds b. Calculate the total time of travel c. Find the final velocity or the velocity of the marble before it touches the g

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter1: Introduction: The Nature Of Science And Physics

Section: Chapter Questions

Problem 9PE: Tectonic plates are large segments of the Earth's crust that move slowly. Suppose that one such...

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An express train passes through a station. It enters with an initial velocity of 22.0 m/s and decelerates at a rate of 0.150m/s2 as it goes through. The station in 210.0 m long. (a) How fast is it going when the nose leaves the station? (b) How long is the nose of the train in the station? (c) If the train is 130 m long, what is the velocity of the end of the train as it leaves? (d) When does the end of the train leave the station?
Tectonic plates are large segments of the Earth's crust that move slowly. Suppose that one such plate has an average speed of 4.0 cm/year. (a) What distance does it move in 1 s at this speed? (b) What is its speed in kilometers per million years?
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After a long and grueling race, two cadets, A and B, are coming into the finish line at the Marine Corps marathon. They move in the same direction along a straight path; the position-versus-time graphs for the runners are shown in Figure P2.7 for a minute near the end of the race. a. At time t1 is the speed of cadet B greater than, less than, or equal to the speed of cadet A? b. At time t2, is cadet B speeding up, slowing down, or moving with constant speed? c. From time t = 0 to time t = 60 s, is the average speed of cadet B greater than, less than, or equal to the average speed of cadet A? Explain.
An unwary football player collides with a padded goalpost while running at a velocity of 7.50 m/s and comes to a full stop after compressing the padding and his body 0.350 m. (a) What is his acceleration? (b) How long does the collision last?
A ball starts from rest and accelerates at 0.500 m/s2 while moving down an inclined plane 9.00 m long. When it reaches the bottom, the ball rolls up another plane, where it comes to rest after moving 15.0 m on that plane. (a) What is the speed of the ball at the bottom of the first plane? (b) During what time interval does the ball roll down the first plane? (c) What is the acceleration along the second plane? (d) What is the balls speed 8.00 m along the second plane?
Pete and Sue, two reckless teenage drivers, are racing eastward along a straight stretch of highway. Pete is traveling at 98.0 km/h, and Sue is chasing him at 125 km/h. a. What is Petes velocity with respect to Sue? b. What is Sues velocity with respect to Pete? c. If Sue is initially 325 m behind Pete, how long will it take her to catch up to him?
A car goes 78 m to the righty and then 22 m to the left. It makes this trip on 35 seconds. a. What is the displacement in meters? b. What is the total distance travelled in meters? c. What is the average velocity? d. What is the average speed in m/s?
An athlete runs around a 400 m race track four times. It takes 400 s to complete his run. A. What is the total distance traveled by an athlete? B. What is the total diaplacement? C. Calculate the speed at which the athlete runs? D. If the athlete started and ended his run at the same point.Calculate his final velocity?
Full formula Correct Correct Correct values answer, metric units inserted into rounded to the formula two decimal from the places word problem
A. Suppose a free-fall ride at an amusement park starts at rest and is in free fall. What is the velocity of the ride after 2.3 s? How far do people on the ride fall during the 2.3 s time period? B. You decide to flip a coin to determine whether to do your physics or English homework first. The coin is flipped straight up. 1.What is the velocity of the coin the top of its trajectory? at 2. If the coin reaches a high point of 0.25 m above where you released it, what was its init ial speed?
At the end of a race a runner decelerates from a velocity of 8.70 m/s at a rate of 1.80 m/s2. A. How far in meters does she travel in the next 5.30 s? (Assume the deceleration of 1.80 m/s2is constant over the full 5.30 s.) B. What is her final velocity in m/s? C. Evaluate the result. Does it make sense? (Hint: what is the algebraic sign of the velocity, and what does it imply)