You measure the acceleration of a METRA train to be a = 0.58 m/s/s. If you are standing at the front car when the train pulls away, how fast is the train moving after 3 cars pass you?
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- You are walking to your physics class at speed 1.0m/s with respect to the ground. Your friend leaves 2.0 min after you and is walking at speed 1.3m/s in the same direction. How fast is she walking with respect to you? How far does your friend travel before she catches up with you? Indicate the uncertainty in your answers. Describe any assumptions that you made.Thank you for your help. Suppose you are driving a car at 80 miles per hour. Again decelerating at 16 feet per second squared it will take you _______ seconds to stop. During that time you will travel __________ feet. Assuming that it takes you 1 second to react to an emergency before you start braking, at the same initial speed, and the same constant deceleration, you will travel a total of _________ feet, before coming to a stop.George walks to a friend’s house. He walks 750 meters North, then realizes he walked too far. He turns around and walks 250 meters South. The entire walk takes him 13 seconds. What is his speed per second? What is his velocity in meters per second? Please show the formula you use and explain it in an easy to understand way.
- It was an epic 1/4 mile race. Car 1 finished at 6.66.00s. Car 2 finished at 6.66.20s. How fast was the winning car going at the end of the race? Give your answer in m/s (meters per second). b) What was the acceleration of the winning car? Give your answer in m/s2 (meters per second squared).Solve the following problems 1a. If a student Dawn drives 120 miles in 2 hours how fast was Dawn traveling? 1b. If another student Glenn travels at half the speed of Dawn how long will it take Glenn to drive the 120 miles 1c. If a person drives at 65 MPH how far will they have traveled in 123 minutes 1d. If a person travels for 3 hours at a certain speed, then travels for 2 hours at twice the speed of the first 3 hours and the total number of miles traveled is 280, what are the two speeds? 1e. If a person has 40 coins and half of them are dimes and the other half is nickels how much money does the person have totalGeorge walks to a friend’s house. He walks 750 meters North, then realizes he walked too far. He turns around and walks 250 meters South. The entire walk takes him 13 seconds. What is his velocity in meters per second? Also, is the acceleration due to gravity negative or positive or it depends? I'm really confused. Please help and explain in an easy to understand.
- A car goes from point A to point B. The speed of the car is constant at 81 km/hr for 66% of the total distance. At that point the weather gets bad and the car covers the remaining distance at 46 km/hr. If the total time of travel from A to B was 3.1 hours, what is the distance between the two points? Write your answer in km. Note: The time is in a decimal, NOT hours and minutesIn what reasonable ways can you represent or describe the motion of a car traveling from one stoplight to the next? Construct each representation for the moving car.Imagine that you took a road trip. Based on the information in the table, what was the average speed of your car? Time Mile marker 3:00 pm 32 8:00 pm 166 Express your answer to three significant figures and include the appropriate units. Use mimi as an abbreviation for miles, and hh for hours, or mphmph can be used to indicate miles per hour.
- Otto Emissions is driving his car at 11.2 m/s. Otto accelerates at 1.6 m/s2for 7 seconds. Otto then maintains a constant velocity for 15 more seconds. Determine the distance that Otto coverred in the entire travel time. Round off your final answer to three decimal places.University Physics 1 - Kinematics: (Human reaction time using a ruler) Which out of these 4 equations of constant acceleration, with factors likeex. Distance - meters = 0.19mgravitational acceleration - a = 9.8 m/s^2no velocity - Vo = 0 Reaction time - s =? can bet set fit to find the reaction time (s)? even if you need to rewrite the equation formulas to best meet the units displayed above.Caleb left home and traveled toward the city A at an average speed of 57.9 km/h. Some time later, Kim left traveling in the opposite direction with an average speed of 46 km/h. After Caleb has traveled for 1.24 hours they were 117 km apart. Find the number of minutes Kim traveled. Round off only on the final answer expressed in three decimal places. PLEASE SHOW YOUR COMPLETE AND CORRECT SOLUTION. ASAP! Thank you.