Definitions 12. combination of all the forces acting on an object 13. an object's motion will not change unless an unbalanced force acts on it Terms a. inertia b. unbalanced force c. law of inertia d. mass 14. factor that determines the inertia of an abiect e, net force 15. type of force needed to overcome inertia of an object 16. tendency of an object to resist a change in motion

Q: A block of mass 10 kg. Starting from rest, it begins to slide down a ramp from a height of 8 m above…

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Q: I need help with this homework problem.

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Q: se in potential energy? (b)What is the work done on the hollow block at this height? (c)If the…

A: Given values:- Mass of hollow block,(m)=2 kg ----(1) Height,(h)=5 m -----(2) Acceleration due to…

Q: To bring a very big ship to a stop,  its engines are typically cut off about 25 kms from port. Why?

A: A very big ship has an enormous large amount of   mass , due to  this   its momentum will be very…

Q: The base vectors of the A axes set are Xa = [1 0 0] ', Ya = [0 1 0]' and Za = [0 0 1] 'and the base…

A: speed of the origin of the B axis set relative to the A axis set be [5 0 0] meters / second.  linear…

Q: student who weighs 557 N climbs a stairway (vertical height of 2.7 m) in 26 s. (a) How much work is…

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Q: A body of mass 2 kg was dropped down from a height. If the KE attained by it is 400 J, find the…

A: Solution:-Given thatmass of body (m)=2 kgKE attained by the mass (KE)=400 J

Q: [Numbers change] If this amount of energy were used to lift a person with mass 92 kg off the ground,…

A: Solution: let us calculate the amount of energy from the information of the power and of the laptop…

Q: Which situation DOES NOT demonstrate a work done? O A lady in an ascending elevator. O A waiter…

A: The work done by a force can be defined as the product of the displacement of an object and the…

Q: Find the angle 0 between the given vectors to the nearest tenth of a degree. U = 9i – 7j,V = 12i –…

A: Solution:-Given thatU→=9i^-7j^V→=12i^-2j^

Q: A vehicle of 50 quintal climbs up a hill of 10 m. The potential energy gained by it is (take g = 10…

A: Calculating the potential energy by formula P = mgh

Q: What is the scalar/dot product of the given 3-dimensional vectors: A = (xy)i + (2yz)j + (3xz)k and B…

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Q: Calculate the amount of work done in raising a block of mass 5 kg through a height of 40 cm.

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Q: (a) What is the gravitational potential energy of a two-particle system with masses 7.2 kg and 5.4…

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Q: A linear accelerator has a bundle of electrons travelling North. The bundle experiences acceleration…

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Q: One model for the potential energy of a two-atom molecule, where the atoms are separated by a…

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Q: If a girl with a mass 49kg fell out of 20th story skyscrapers with 6 meters each floor. What is the…

A: Required :: (a) Potential energy before the girl fell. (b) Acceleration of the car, (c) Weight of…

Q: How much work is required to stop an electron (m = 9.11 × 10–31 kg) which is moving with a speed of…

A: Given Data: The mass of an electron is, m=9.11×10-31 kg The initial speed of an electron is,…

Q: hen an object moves upward, the change in the gravitational potential energy will" Decrease Increase…

A: To find - a) The center of the object will lay at ?                b) when an object moves upwards ,…

Q: A lunar module weighs 12 metric tons on the surface of the Earth. How much work is done in…

A: Given the mass of the module on earth m=12000 Kg This mass remains same at moon too. The work done…

Q: The gravitational forces exerted by the Sun on the planets are always directed toward the Sun and…

A: given, There are sun and a planet and placed at distance r

Q: If the planet JP is considered to have a radius of 5x10^8 cm and a mass density (in grams per cubic…

A: Given:  A planet JP with variable density. Density in gram per cubic centimeter is,  Radius of the…

Q: Why should the angle of swing be small few degrees), or, what would happen if the angle were large?

A: For oscillation of a bob hanging from a thread from a fixed point as shown in diagram below we have.

Q: 3) We want to get a spacecraft with a mass of 6.70 x 10² kg to a distance of 1.10 × 10⁹ m away from…

A: Given that:Radius of Earth, RE=6.37×103 km=6.37×106 mMass of Earth, ME=5.97×1024  kgMass of space…

Q: ra j96 de Example: Three charges are arranged as shown in Figure. Find the force on the charge q3.…

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Q: F = (2ry – 3)î + x²j, (0, 1) a (1, 0}

A: A force F is given and the work done in moving along three different paths a, b and c is being…

Q: (a) What is the gravitational potential energy of a two-particle system with masses 6.8 kg and 3.0…

A: Answer:-  Given  Mass of a particle ( m1) = 6.8 kg  Mass of second particle (m2) = 3.0 kg  Distance…

Q: Six-light-springs.connected to a small copper sphere-of mass m-as shown-in-the- following figure.…

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Q: A base ball pitcher with a 90-mi/h fastball throws a ball while standing on a railroad flatcar…

A: Given : u = 90 mi/h ux' = 110 mi/h

Q: According to Hooke's Law, the force required to hold the spring stretched x m beyond its natural…

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Q: A 20-kg cannonball is fired straight up in the air from the ground and reaches a final height of 125…

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Q: How much work would be required to move the moon (7.36 E 22 kg) from its current obit of 385 E 6 m…

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Q: Why sand is thrown on the tracks covered with snow?

A: If the tracks are covered with snow then there is a substantial reduction in frictional force…