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Chapter 1 Solutions
College Physics
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Lecture- Tutorials for Introductory Astronomy
- Calculate the result for each of the following cases using the correct number of significant figures. a. 3.07670 10.988 b. 1.0093 105 9.98 104 c. 5.44231064.008103arrow_forwardWhat is the value of g at an altitude of 12,000 km above Earth's surface? Consider: rEarth = 6.38 x 106 m MEarth = 5.98 x 1024 kg Give your answer in m/s/s to the correct number of significant figures.arrow_forwardThe following conversion equivalents are given: 1 mile = 5280 ft 1 ft=12 in 1 m = 39.37 in 1 hour = 60 min 1 min = 60 s A particle has a velocity of 4.7 miles per hour. The velocity, in m/s, is closest to: 1.5 2.3 2.1 1.9arrow_forward
- You are driving home from school steadily at 97 km/hkm/h for 160 kmkm . It then begins to rain and you slow to 61 km/hkm/h instantly. You arrive home after driving 4.5 hours. How far is your hometown from school? answer using two significant figures. What was your average speed? answer using two significant figures.arrow_forwardWhen I did p 2.37 I got zero but that is not the correct answer. I need help.arrow_forwardThe acceleration of an object (in m/s2) is given by the function a(t)=8sin(t)a(t)=8sin(t). The initial velocity of the object is v(0)=−10v(0)=-10 m/s. Round your answers to four decimal places.a) Find an equation v(t) for the object velocity.v(t)v(t) = −8cos(t)−2Correct b) Find the object's displacement (in meters) from time 0 to time 3.3.4187Incorrect metersc) Find the total distance traveled by the object from time 0 to time 3. metersarrow_forward
- To burn the fats she accumulated during the lockdown, Katie walks south at a speed of 2.00 m/s for 60.0 minutes. She then turns around and walks north a distance 3000 m in 25.0 minutes. What is her total distance covered?arrow_forwardThe velocity-time graph that describes the velocity of an object with time is given as in the figure below. if the values of a= 98.5, b=124.6 and c=57, Find the displacement made by the object in the first hour. v(km/h) b. a t(h) 0.5 1.0 1.5 2.0 Select one: A. 118.1 OB. 175.1 OC 398.4 OD. 139.6 OE 142.7 choicearrow_forwardYour car gets 34.7 mi/gal on a trip. How many km/L did it get? (3.79 L = 1 gal; 1 mi = 1.61 km) L stands for liters. 9.16 km/L 32.4 km/L 55.9 km/L 14.7 km/L O O Oarrow_forward
- To visit your friend, you first drive on a highway at 55 mi/h for 1.6 hours and then drive on a local road at 20 mi/h for 0.7 hours. What is the average velocity of your trip in mi/h to your friend's home? Your Answer: Answerarrow_forwardBecmid-B71423 ACADENIC) 00 Answer 370.98292 N Flag astion estion velocity (m/sec) vs time (sec) ed out of 8. 13 16 5 55 65 -13 The diagram above shows the velocity(m/s) versus time(s) graph of a man driving a car along a straight line from home to his work. What total distance did he travel in the first 8 seconds? Answer: the canarrow_forwardA bird flew 635 km from Cebu to Manila with an average speed of 35 m/s. How long, in hours, did it take the bird to make this journey? Select one: Оа. 6.0476 Ob. 5.0397 Ос. 5.4978 Od. 18142.8571arrow_forward
- Physics for Scientists and Engineers: Foundations...PhysicsISBN:9781133939146Author:Katz, Debora M.Publisher:Cengage Learning