You drive an automobile of mass 2.10 x 103 kg from sea level to the top of a mountain 2.05 km high. What is its change in weight?

Q: A 1,959-kg car starts from rest at the top of a driveway 7.26 m long that is sloped at an angle of…

A: Given data: The mass, m=1959 kg The distance is d = 7.26 m The angle is θ=21° The force is F=2338 N…

Q: A 20 kg box is pushed on a flat horizontal floor with a frictional force of 5 N. How far will the…

A: mass of box = 20 Kg Frictional force = 5 N acceleration = - friction/mass  = - 5 /20  = - 0.25 m/s2…

Q: A driver in a 1000 kg car traveling at 20 m/s slams on the breaks and skids to a stop. If the…

A: Given:Velocity of the car = 20 m/sCoefficient of friction = 0.8

Q: direction

A: The diagram shown below represent the situation given in the problem. Therefore writing the…

Q: A physics student, in a stationary elevator, places a 210.0 g mass on an electronic balance. The…

A: m= 210g

Q: A physics student, in a stationary elevator, places a 210.0 g mass on an electronic balance. The…

A: Given, mass of object = 210 g  Time = 0 to 3.0 sec the balance reads 274 grams  Time = 3.0 - 12 sec…

Q: A courier is delivering a 5 kg package to an office high in a tall building. (a)  What upwards…

A:

Q: A constant force acts on a body of mass 0.9 kg at rest for 10s. If the body moves a distance of 250…

A: Given data, Mass of the body m = 0.9 kg Body is initially at rest u = 0 m/s Distance traveled S =…

Q: A spring hangs vertically next to a ruler.  The end of the spring is next to 15 cm mark on the…

A: Given Data: The mass of spring is, m=2.0 kg The spring constant is, k=51 N/m   The expression for…

Q: 4. A dog of mass Md is standing on a raft so that he is a distance Xdgi = L from the shore. He walks…

A: Given :    m1 = Md                m2 = Mb                Xdgi = L               ∆xds = d m1 → mass…

Q: A railroad car which has a mass 9216 kg is constrained to move along a horizontal track under the…

A: Mass of railroad car =9216 kg Frictional force = Ff= 1/200 x mg weight of railroad car = mg S= Area…

Q: Komi was on vacation and went to scale Mt. Banahaw. Her weight at the base of the mountain is 540 N;…

A: Given weight of Komi at the mountain base is Wb = 540 N and the weight of Komi at the top of the…

Q: A 76.0 kilogram boulder is sliding horizontally at the top of a 20-meter-high vertical cliff over…

A: Mass of boulder, m = 76 kg Distance between top of vertical cliff over the surface of a lake = 20 m…

Q: A driver in a 2290-kg car car traveling at 42.7 m/s slams on the brakes and skids to a stop. If the…

A:

Q: The highest spot on Earth is Mt. Everest, which is 8850 m above sea level. If the radius of the…

A: Given thathighest spot on earth is Mt.Everest whichis at a height h=8850 m above sealevelradius of…

Q: omi was on vacation and went to scale Mt. Banahaw. Her weight at the base of the mountain is 540 N;…

A: Weight = mg Since m is constant so Percentage decrease in weight = percentage decrease in…

Q: 0 A cannon shoots a 5 kg cannonball out of its barrel with a speed of 65 m/s. If the cannonball…

A: Given Data:- First Problem:- Mass of the cannonball is m=5 kg Length of the barrel of the cannonball…

Q: 1,200 kg car traveling at a speed of 43 m/s skids to a halt on wet concrete where µk = 0.60. How…

A:

Q: Let's say, you went to Planet B. You took out a 100-g ball, released it from rest from a height of…

A: In the question it is given that the Mass of the ball m=100g=0.1kg initial height of the ball h=10m…

Q: Komi was on vacation and went to scale Mt. Banahaw. Her weight at the base of the mountain is 540 N;…

A:

Q: A spring hangs down from a ceiling a distance of 7 cm. When a mass of 171 grams is attached, the…

A:

Q: The kinetic friction force between a 8.1-kg object and a horizontal surface is 72 N. If the initial…

A:

Q: A rope, attached to a weight, goes up through a pulley at the ceiling and back down to a worker. The…

A: speed of man is 4ft/s

Q: The force acting on an object is given by F, = (6x - 10) N, where x is in meters. (a) Choose the…

A:

Q: on the top of the roof. The roof is pitched such that it rises for every 12 inches of horizontal…

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Q: When Fatima rides her bicycle at 5 m/s, the drag force acting on her and her bicycle is 6 N. If she…

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Q: An 8 kg block rests on a horizontal surface whose coefficients of friction are: s = 0.4 and k =…

A:

Q: A mass m is suspended from a massless spring of natural length 90 cm with the spring constant k = 10…

A: Given: The spring constant is 10 N/m. The natural length of the spring is 90 cm. The extension in…

Q: A plane is preparing to takeoff at one end of a runway. The length of the runway is 2.6 km, and the…

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Q: Spring scales are often used in markets for weighing produce and simply consist of a spring…

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Q: What is the coefficient of friction between the tires and the surface?

A: Giiven: m= 2500 kg  Initial velocity =vi=14.0 m/s  Final velocity= 0 m/s  accelerartion due to…

Q: A desperate hiker has to think fast to help his friend who has fallen below him. Quickly, he ties a…

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Q: You lift a heavy fruit basket from the ground and carry it 500m along the street and then up a…

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Q: How fast will the wagon accelerate

A: Here we use Newtonian equation of motion.

Q: Children sled down a 41 m long hill inclined at 24 degrees. At the bottom, the slope levels out. If…

A:

Q: A 1,801-kg car starts from rest at the top of a driveway 6.14 m long that is sloped at an angle of…

A:

Q: A snowboarder and his board with a combined mass of 50.0 kg moving at 9.50 m/s are about to go up an…

A:

Newton's Second Law

Newton’s laws of motion describe the relationship between the motion of an object and forces acting on it. Newton’s law of motion has two types as follows: