Inquiry into Physics
8th Edition
ISBN: 9781337515863
Author: Ostdiek
Publisher: Cengage
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Chapter 2, Problem 1P
Express your weight in newtons. From this determine your mass in kilograms.
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The gravitational field of the moon is weaker than that of the earth. It pulls each kilogram of mass with a force of 1.6 N. What will be the weight of a 50 kg mass on the moon?
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What is the weight, in N, of an object with a mass of200 kg at a location where g = 9.6 m/s2?
Chapter 2 Solutions
Inquiry into Physics
Ch. 2 - Give three important “laws” that characterize...Ch. 2 - Describe the adhesion model of friction.Ch. 2 - Prob. 1MACh. 2 - Name a key invention that Newton contributed to...Ch. 2 - What important mathematical “tool” did Newton...Ch. 2 - Reread Section 2.7 on the law of universal...Ch. 2 - In this chapter, you've encountered a large number...Ch. 2 - (Indicates a review question. which means it...Ch. 2 - Prob. 2QCh. 2 - (Indicates a review question, which means it...
Ch. 2 - (Indicates a review question. which means it...Ch. 2 - Prob. 5QCh. 2 - (Indicates a review question. which means it...Ch. 2 - (Indicates a review question, which means it...Ch. 2 - (Indicates a review question. which means it...Ch. 2 - (Indicates a review question, which means it...Ch. 2 - (Indicates a review question. which means it...Ch. 2 - (Indicates a review question, which means it...Ch. 2 - (Indicates a review question. which means it...Ch. 2 - (Indicates a review question, which means it...Ch. 2 - Prob. 14QCh. 2 - Prob. 15QCh. 2 - Prob. 16QCh. 2 - (Indicates a review question. which means it...Ch. 2 - Prob. 18QCh. 2 - Prob. 19QCh. 2 - Prob. 20QCh. 2 - (Indicates a review question. which means it...Ch. 2 - (Indicates a review question, which means it...Ch. 2 - (Indicates a review question. which means it...Ch. 2 - (Indicates a review question, which means it...Ch. 2 - Prob. 25QCh. 2 - Prob. 26QCh. 2 - Prob. 27QCh. 2 - (Indicates a review question, which means it...Ch. 2 - Prob. 29QCh. 2 - (Indicates a review question. which means it...Ch. 2 - (Indicates a review question, which means it...Ch. 2 - (Indicates a review question, which means it...Ch. 2 - (Indicates a review question, which means it...Ch. 2 - (Indicates a review question, which means it...Ch. 2 - Express your weight in newtons. From this...Ch. 2 - A child weighs 300 N. What is the child’s mass in...Ch. 2 - Suppose au airline allows a maximum of 30 kg for...Ch. 2 - The mass of a certain elephant is 1,130 kg. (a)...Ch. 2 - The mass of a subway car and passenger is 40,000...Ch. 2 - A motorcycle and rider have a total mass equal to...Ch. 2 - As a 2-kg ball rolls down a ramp, the net force on...Ch. 2 - In an experiment performed in a space station, a...Ch. 2 - The engines in a supertanker carrying crude oil...Ch. 2 - . The Kingda Ka roller coaster in New Jersey is...Ch. 2 - . A person stands on a scale inside an elevator at...Ch. 2 - . A jet aircraft with a mass of 4,500 kg has an...Ch. 2 - . At the end of Section 1.4, we mentioned that the...Ch. 2 - . A sprinter with a mass of 80 kg accelerates...Ch. 2 - . As a baseball is being caught, its speed goes...Ch. 2 - . On aircraft carriers, catapults are used to...Ch. 2 - . At the end of an amusement park ride, it is...Ch. 2 - . An airplane is built to withstand a maximum...Ch. 2 - . Under certain conditions, the human body can...Ch. 2 - . A race car rounds a curve at 60 m/s. The radius...Ch. 2 - . A hang glider and its pilot have a total mass...Ch. 2 - . A 0.1-kg ball is attached to a string and...Ch. 2 - On a highway curve with radius 50 m, the maximum...Ch. 2 - . A centripetal force of 200 N acts on a 1,000-kg...Ch. 2 - . As a spacecraft approaches a planet, the rocket...Ch. 2 - . A space probe is launched from Earth headed for...Ch. 2 - . A hand exerciser utilizes a coiled spring. A...Ch. 2 - . A mass of 0.75 kg is attached to a relaxed...Ch. 2 - The force on a baseball as with a bat can be more...Ch. 2 - Two forces, one equal to 15 N and another equal to...Ch. 2 - Why does banking a curve on a highway allow a...Ch. 2 - As a horse and wagon are accelerating From rest,...Ch. 2 - Prob. 5CCh. 2 - Perhaps you’ve noticed that the rockets used to...Ch. 2 - Prob. 7CCh. 2 - Prob. 8CCh. 2 - Prob. 9CCh. 2 - Prob. 10C
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- What is the weight, in N, of an object with a mass of 140 kg at a location where g = 9.6 m/s2? The weight of the object is ______ N.arrow_forwardWhat is the weight of the object that has a mass of 7000 g ? Weight must be in Newton.arrow_forwardMass of a body is 20 kg, What is it's weight ? (Given g 10 m/s²) =arrow_forward
- What is your own mass in kilograms? Your weight in newtons?arrow_forwardThe weight of an astronaut plus her space suit on the Moon is only 245 N. 1.) How much does she weigh on Earth, in newtons, assuming the acceleration due to gravity on the moon is 1.67 m/s and what is the mass of the astronaut and her space suit on the Earth and Moon, in kilograms?arrow_forwardAs a baseball is being caught, its speed goes from 31 to 0 m/s in about 0.008 s. Its mass is 0.145 kg. (Take the direction the baseball is thrown to be positive.) (a) What is the baseball's acceleration in m/s2? (Indicate the direction with the sign of your answer.)What is the baseball's acceleration in g's? (Indicate the direction with the sign of your answer.)(b) What is the force acting on it?arrow_forward
- After years of an aching back, you, a 62 kg middle aged woman, decide to finally visit the chiropractor. The chiropractor exerts a 627 N force on your spine at an angle of 36 degrees from the vertical, as depicted below. If you are at rest, calculate the normal force the table exerts on you, in N. (Use g = 10 m/s2) (Please answer to the fourth decimal place - i.e 18.7668)arrow_forwardWhat is the weight (Fg) of an object with a mass of 349 kilograms? Use 9.8 m/s2 as the acceleration due to gravity Do NOT include units Round to nearest whole numberarrow_forwardOn the moon, the acceleration due to gravity is equal to 1.67 m/s^2. How much does an astronaut weigh there, whose mass combined with his spacesuit is 171 kilograms.? Express your answer in units of Newtons.arrow_forward
- What is the weight of a 72 kg astronaut on the Moon where the value of 'g' is only 24% the strength of 'g' on the Earth? Express your answer in N with a single digit of precision. Your Answer: Answerarrow_forwardThe weight of an astronaut plus his space suit on the Moon is only 292 N. How much (in N) do they weigh on Earth? (The acceleration due to gravity on the Moon is 1.67 m/s2.)arrow_forwardA body weighs 455 N on Mars where the acceleration due to gravity is 3.71ms2 . What is the mass of the body? What is its weight?arrow_forward
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