An electron of mass 9.11  10-31 kg has an initial speed of 2.00  105 m/s. It travels in a straight line, and its speed increases to 6.60  105 m/s in a distance of 4.00 cm. Assume its acceleration is constant. (a) Determine the magnitude of the force exerted on the electron in Newtons. (b) Compare this force (F) with the weight of the electron (Fg), which we ignored. F/Fg=

Q: A time-dependent force,  = (7.40i - 3.80tj) N (where t is in seconds) is applied to a 2.00 kg object…

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Q: Suppose the mass of a fully loaded module in which astronauts take off from the Moon is 11,000 kg.…

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Q: An electron is a subatomic particle (m = 9.11 x 10*31 kg) that is subject to electric forces. An…

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Q: A 60 kg person stands on a scale in an elevator. How many Newtons does the scale read: a)…

A: (a) When the elevator is ascending, F=mg+ma substituting the givens, F=60 kg9.8 m·s-1+60 kg1 m·s-1…

Q: The parachute on a race car of weight 8010 N opens at the end of a quarter mile run when the car is…

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Q: A particle of mass 1.2 kg is acted on by forces F, = 18î N, F, = -11î N, and F, = 9.0j N. What is…

A: Given data: Mass (m) = 1.2 kg F1→ = 18i^ N  , F2→ = -11i^ Nand F3→ = 9.0j^ N Required: The…

Q: A train locomotive pulls a train with a mass of 1.00 ✕ 107 kg on level rails. The locomotive exerts…

A: According to the Newton’s second law, the acceleration of the train,Substitute the values,

Q: A flea jumps by exerting a force of  1.20 X 10^-3 N straight down on the ground. A breeze blowing on…

A: The free body diagram of the system is given below:…

Q: A skater with an initial speed of 5.90m/s stops propelling himself and begins to coast across the…

A: Given:  initial velocity,  u = 5.90 m/s final velocity, v =  0  coefficient of friction = 0.125

Q: Two boxes, A and B, are connected by an ideal (massless) cord and are resting on a smooth…

A: Consider, The mass of the box A, mA  =  12 kg The mass of the box B, mB  = 10 kg The horizontal pull…

Q: According to Newton's second law, when the same force is applied to two objects of different masses,…

A: Newton’s second law F=maa=Fm

Q: The mass of an object is 25 kg.  Its acceleration is ( 3 ı ^ + 5 ȷ ^ + 7 k ^ ) m/s2.  Calculate the…

A: The equation for the force is given as The vector form of force can be obtained as

Q: A 6.0- kg object is brought to the Moon, where the acceleration due to gravity is only one- sixth of…

A: Required :  (a) What is the mass of the object on the Moon?   (b) What is the weight of the object…

Q: There are two horizontal forces on the 3.0 kg box in the overhead view of the figure but only one…

A: Given mass of the box on the horizontal surface m = 3 kg and the magnitude of the force applied…

Q: A flea jumps by exerting a force of 1.28 x 10-5 N straight down on the ground. A breeze blowing on…

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Q: onsider a person standing on a scale in an elevator. If the elevator accelerates upwards with an…

A: Mass of the person is m = 98.1 kg Acceleration due to gravity is g = 9.8 m/s2 and it acts in the…

Q: A basketball player jumps straight up for a ball. To do this, he lowers his body 0.300 m and then…

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Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.