A 4.8-kg bucket of water is raised from a well by a rope. If the upward acceleration of the bucket is 3.8 m/s2, find the force exerted by the rope on the bucket. N

Q: C.) A student pulls a 40 kg box with a force of 50 N at an angle of 60 degrees above the horizontal.…

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Q: Imagine you are pushing a 15 kg cart full of 25 kg of bottled water up a 10o ramp. If the…

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Q: A person is trying to lift a box off the floor. The box has a mass of 55kg and the person can lift…

A:

Q: What net external force (in N) is exerted on a 1400-kg artillery shell fired from a battleship if…

A: Given data:  Mass of artillery shell (m) = 1400 kg Acceleration (a) = 2.80 × 104 m/s2

Q: n astronaut is doing a repair work on a space station. Suddenly, he loses his grip and finds himself…

A: Astronaut in space station

Q: (c) If the time of contact between the balls is 0.03 s, what is the force exerted by the heavier…

A: Calculate the velocity of lighter after collision by using conservation of momentum. For…

Q: The average speed of a nitrogen molecule in air is about 6.70×102 m/s, and its mass is 4.68×10-26…

A: Given,

Q: C A Three boxes, each of mass 22 kg are on a frictionless table, connected by massless strings. A…

A: We are authorized to answer three subparts at a time, since you have not mentioned which part you…

Q: A student attaches a rope to a 44 kg box, and drags it to the left with constant velocity of 1.69…

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Q: (c) A 300 g particle moves along y-axis according to the equation y(t) = 25 + 6t + 7t2 -6t-t with y…

A:

Q: A 8.1 kg object undergoes an acceleration of 1.8 m/s2. (a) What is the magnitude of the resultant…

A: Given,

Q: A 49.05 N box is pulled from rest to the right by a horizontal force of 200 N . There is a…

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Q: C. Which of the following graphs could represent, to the same scale, the force exerted by the scale…

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Q: A 40 kg girl and an 8.4 kg sled are on the frictionless ice of a frozen lake, 15 m apart but…

A: Given: mass of girl, M = 40 kg  mass of sled,m = 8.4 kg  distance,d = 15 m Force, F = 5.2 N

Q: c). Suppose the magnitudes of the force of friction on the blocks are 4.0 N and 8.0 N respectively.…

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Q: a)  How much force would be required to start a 1.25-kg object sliding along a horizontal surface if…

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Q: In a warehouse, a box of mass is suspended above the ground by two cables. The left cable (which…

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Q: 2000 kg car is slowed down uniformly from 20.0 m/s to 5.00 m/s in 4.00 s. (a) Calculate…

A:

Q: A boat moves through the water at a constant velocity of 7.8 m/s with two forces acting on it. One…

A: Forward push by motor = 2.21×103 N Constant velocity = v = 7.8 m/s Part A. Since boat is moving with…

Q: a) A dockworker applies a constant horizontal force of 65.0N to a block of ice on a smooth…

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Q: Under certain conditions, the human body can safely withstand an acceleration of 10 g. (a) What net…

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Q: The graph in the figure shows the x component of the acceleration of a 2.4-kg object as a function…

A: Given Data: The mass of an object is, m=2.4 kg   The expression for Newton's second law is given as,…

Q: Q. How is this an example of Newton's Third law? O Only the ball is using the head O Only the head…

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Q: A horizontal force of 195N is required to push a crate across a floor at a constant speed. What is…

A: Magnitude of horizontal force is F = 195 N

Q: A 75.0-kg man stands on a bathroom scale in an elevator that accelerates from rest to 30.0 m/s in…

A: mass, m = 75 kg initial velocity, u = 0 m/s  final velocity, v = 30 m/s  time, t = 2 s

Q: The owner is dragging a baggage weighing 45.0 kg across a horizontal surface with a coefficient of…

A:

Q: M The force exerted by the wind on the sails of a sailboat is 390 N north. The water exerts a force…

A:

Q: a) A dockworker applies a constant horizontal force of 80.0N to a block of ice on a smooth…

A:

Q: A toy wagon is on a straight, horizontal track and has a fan attached to one end. The wagon is…

A: Given: m1=355 gs1=1.5 mt1=4.55 sm2=722 gs2=1.5 m To find: a). What is the net force exerted on the…

Q: A 48.0 kg swimmer with an initial speed of 1.30 m/s decides to coast until she comes to rest. Part A…

A: Given data: Mass (m) = 48.0 kg Initial velocity (vi) = 1.30 m/s Final velocity (vf) = 0 m/s…

Q: a. According to Newton's Second Law, the acceleration is directly proportional to the sum of the…

A: In the given question , mass M1 and M2 are attached to a rope over a pulley. According to Newton's…

Q: P As part of a physics experiment, you stand on a bathroom scale in n elevator. Though your normal…

A: in given question weight in normal condition = m g = 630 N Weight in elevator = 750 N Let…

Q: A 1370 kg jeep traveling at 19 m/s can be stopped in 24.0 s by gently applying the brakes. a) What…

A:

Q: b) A wagon carrying a child, with a combined mass of 52 kg, was pulled by an adult with a force of…

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Q: Suppose a 59.5-kg gymnast climbs a rope. (a) What is the tension in the rope if he climbs at a…

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Q: (A) A particular 1.89 x 107 kg train is able to get up to 25 m/s in a 58 second interval, starting…

A: mass of train=1.89×107kg Gain in speed= 25 m/sec Time=58 sec acceleration =25/58 m/sec2

Q: raight, horizontal track. If the acceleration of the train is constant, what is the magnitude of the…

A: We know that  we have given that the mass of the train is m and it starts from the rest and at a…

Q: A dockworker pushes a 50 kg crate with a downward force of 300 Newton's, at an angle of 30 degrees…

A: (a) write the expression for net vertical force

Q: A block of mass 1.2 kg attached to a cord running over a pulley is dragged along a level surface by…

A: Given information: Here, m1 and m­2 are the mass of the two blocks and µ is the friction…

Q: (a) Find the resultant force (in N) exerted on the car. magnitude direction (counterclockwise from…

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Q: During an experiment, a block of wood with a mass of 180 g is placed on an incline plane. When the…

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Q: (b) Figure 4 shows the 70 kg concrete block is pull by electric motor. The force or tension in cable…

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Q: A car of mass 972 kg is traveling 24.4 m/s when the driver applies the brakes, which lock the…

A: Given Data mass of the car = 972 kg initial velocity,vi = 24.4 m/s final velocity,vf = 0m/s time,t =…

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.