Physics Fundamentals
2nd Edition
ISBN: 9780971313453
Author: Vincent P. Coletta
Publisher: PHYSICS CURRICULUM+INSTRUCT.INC.
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Chapter 6, Problem 15Q
To determine
To Choose: The correct option.
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Students have asked these similar questions
At what altitude L (km) above such that the weight of an object reduced to one-third of its earth-surface value?
An astronaut weighing 193 lbs on Earth is on a mission to the Moon and Mars.
(a) What would he weigh in newtons when he is on the Moon? The acceleration due to gravity on the Moon is one-sixth that
on Earth.
(b) How much would he weigh in newtons when he is on Mars, where the acceleration due to gravity is 0.38 times that on
Earth?
N
(c) What is his mass in kilograms on Earth?
kg
(d) Which of the following are true? (Select all that apply.)
His mass on the Moon is exactly equal to his mass on Earth.
His mass on the Moon is smaller than his mass on Earth.
His mass on Mars is smaller than his mass on Earth.
His mass on Mars is exactly equal to his mass on Earth.
His mass on the Moon is greater than his mass on Earth.
His mass on Mars is greater than his mass on Earth.
When the astronaut enters the ISS (International Space Station), she is in "free
fall," where the only force acting on her is the force of gravity applied by the
Earth. What happens to her true weight and her apparent weight as she enters
the ISS? Explain. (You may want to reference p. 227-228 of the textbook to help
you.)
Chapter 6 Solutions
Physics Fundamentals
Ch. 6 - Prob. 1QCh. 6 - Prob. 2QCh. 6 - Prob. 3QCh. 6 - Prob. 4QCh. 6 - Prob. 5QCh. 6 - Prob. 6QCh. 6 - Prob. 7QCh. 6 - Prob. 8QCh. 6 - Prob. 9QCh. 6 - Prob. 10Q
Ch. 6 - Prob. 11QCh. 6 - Prob. 12QCh. 6 - Prob. 13QCh. 6 - Prob. 14QCh. 6 - Prob. 15QCh. 6 - Prob. 1PCh. 6 - Prob. 2PCh. 6 - Prob. 3PCh. 6 - Prob. 4PCh. 6 - Prob. 5PCh. 6 - Prob. 6PCh. 6 - Prob. 7PCh. 6 - Prob. 8PCh. 6 - Prob. 9PCh. 6 - Prob. 10PCh. 6 - Prob. 11PCh. 6 - Prob. 12PCh. 6 - Prob. 13PCh. 6 - Prob. 14PCh. 6 - Prob. 15PCh. 6 - Prob. 16PCh. 6 - Prob. 17PCh. 6 - Prob. 18PCh. 6 - Prob. 19PCh. 6 - Prob. 20PCh. 6 - Prob. 21PCh. 6 - Prob. 22PCh. 6 - Prob. 23PCh. 6 - Prob. 24PCh. 6 - Prob. 25PCh. 6 - Prob. 26PCh. 6 - Prob. 27PCh. 6 - Prob. 28PCh. 6 - Prob. 29PCh. 6 - Prob. 30PCh. 6 - Prob. 31PCh. 6 - Prob. 32PCh. 6 - Prob. 33PCh. 6 - Prob. 34PCh. 6 - Prob. 35PCh. 6 - Prob. 36PCh. 6 - Prob. 37PCh. 6 - Prob. 38PCh. 6 - Prob. 39PCh. 6 - Prob. 40PCh. 6 - Prob. 41PCh. 6 - Prob. 42PCh. 6 - Prob. 43PCh. 6 - Prob. 44PCh. 6 - Prob. 45P
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- a) If a man weighs 900 N on the Earth, what would he weigh on Jupiter, where the free-fall acceleration is 25.9 m/s2? A 1 000-kg car is pulling a 300-kg trailer. Together, the car and trailer move forward with an acceleration of 2.15 m/s2. Ignore any force of air drag on the car and all friction forces on the trailer. Determine: (a) the net force on the car, (b) the net force on the trailer, (c) the force exerted by the trailer on the car, and (d) the resultant force exerted by the car on the road.arrow_forward2) What is the weight of a 68-kg astronaut (a) on Earth (b) on the Moon (g=1.7 m/s^2) (c) on mars (g=3.7 m/s^2) (d) in outer space traveling with constant velocity?arrow_forwardStanding on a weighing scale, a 50-kg person is inside an elevator. What would the scale read if the elevator accelerates upward (away from the Earth) at a rate of 0.25g (or 25% of the acceleration due to gravity)?arrow_forward
- Two small forces, F ⃗ 1 = −2.40i ^ − 6.10tj ^ N and F ⃗ 2 = 8.50i ^ − 9.70j ^ N, are exerted on a rogue asteroid by a pair of space tractors. (a) Find the net force. (b) What are the magnitude and direction of the net force? (c) If the mass of the asteroid is 125 kg, what acceleration does it experience (in vector form)? (d) What are the magnitude and direction of the acceleration?arrow_forwardJust Answer this question: (d) Where does the person "feel lightest"? Where does the person "feel heaviest"? (e) What value of v at the top is required so that the person "feels weightless"? (answer: 12.0 m/s)arrow_forwardTwo people, one of mass 100 kg and the other of mass 50 kg, stand facing each other on an ice-covered (essentially frictionless) pond. If the heavier person pushes on the lighter one with a force F, thenA. the force felt by the heavier person is (-1/2)FB. the force felt by the person is -2FC. the magnitude of the acceleration of the lighter person will be half of the magnitude of the acceleration of the heavier personD. the magnitude of the acceleration of the lighter person will be twice the magnitude of the acceleration of the heavier personwww.crackap.com---------------------arrow_forward
- An electron of mass 9.11 x 10-31 kg has an initial speed of 3.00 x 105 m/s. It travels in a straight line, and its speed increases to 7.00 x 105 m/s in a distance of 5.00 cm. Assuming its acceleration is constant, (a) determine the magnitude of the force exerted on the electron and (b) compare this force with the weight of the electron, which we ignored.arrow_forwardA woman stands on a scale while riding in an elevator. When the elevator is at rest, the scale reads 60kg. What will be the reading of the scale in kg when the elevator accelerates. (a) upward at 1.2 m/s^2. (b) downward at 1.2 m/s^2. (c) At what acceleration of the elevator would the person appear to be weightless? Draw the FBD of the problem.arrow_forwardTwo people, one of mass 100 kg and the other of mass 50 kg, stand facing each other on an ice-covered (essentially frictionless) pond. If the heavier person pushes on the lighter one with a force F, then A. the force felt by the heavier person is (-1/2)FB. the force felt by the person is -2FC. the magnitude of the acceleration of the lighter person will be half of the magnitude of the acceleration of the heavier personD. the magnitude of the acceleration of the lighter person will be twice the magnitude of the acceleration of the heavier personwww.crackap.com ---------------------arrow_forward
- The apparent weight of the body becomes zero in which of the following cases in the elevator? [A] during free fall of a body under gravity [B] when elevator is accelerating downwards [C] when elevator is at rest [D] when elevator is accelerating upwardsarrow_forwardDuring a solar eclipse, the Moon, Earth, and Sun all lie on the same line, with the Moon between the Earth and the Sun. (a) What force is exerted by the Sun on the Moon? N (b) What force is exerted by the Earth on the Moon? N (c) What force is exerted by the Sun on the Earth? Narrow_forwardIn a laboratory experiment, an initially stationary electron (mass = 9.11 x 10–31 kg) undergoes a constant acceleration through 2.4 cm, reaching a speed of 5.7 x 106 m/s at the end of that distance. What are (a) the magnitude of the force accelerating the electron and (b) the electron's weight?arrow_forward
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