An airplane is flying 20.0° north of east at a speed of 750 km /h. How fast is it moving to the north? O 0 km /h O 750 km /h o 260 km /h O 700 km/h

Q: How much force does it take to bring a 1,650 kg car moving at 2. 20 m/s to a complete stop in 1.1 s?…

A: force is calculated using the equation F=mam=massa=acceleration using the kinematic equation of…

Q: Problem 11: The eight ball, which has a mass of m = 0.5 kg, is initially moving with a velocity v =…

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Q: Four identical negative point-charges are placed at the corners of a square. Point X is at the…

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Q: Part (e) Calculate the magnitude of the angular momentum L, in kg · m2/s,of the coconut as observed…

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Q: Problem 6: A meteoroid is moving towards a planet. It has mass m 0.86x10° kg and speed v = 1.1x10'…

A: Concept of Gravitational potential energy is used here.

Q: Part (d) What is the horizontal component of the cue ball's final velocity, in meters per second?…

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Q: Problem 4: A toy car is rolling down the ramp as shown in the figure. The car's mass is m = 1.1 kg…

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Q: Part (c) Immediately after the boy jumps on the merry go round, calculate the angular speed in…

A: Given data: Radius R = 1.3 m Merry-go-round's mass M = 241 kg Boy's mass m = 46 kg Speed v = 1.8 m/s…

Q: Problem 9: A thin cylindrical ring starts from rest at a height h, = 75 m. The ring has a radius R =…

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Q: Problem 7: A man is attempting to lift a crate using a two part pulley system as shown in he image.…

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Q: Two small plastic spheres are given positive electrical charges. When they are 19.0 cm apart, the…

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Q: In an interference pattern of a double-slit experiment, why does a bright band occur where…

A: In an interference pattern of a double-slit experiment , why does a bright band occur where…

Q: Problem 12: A merry-go-round is a playground ride that consists of a large disk mounted to that it…

A: Dear student When there is no external torque acting on the system, the angular momentum remains…

Q: Problem 5: Two blocks are connected by a massless rope as shown below. The mass of the plock on the…

A: m1 = 3.4 kg m2 = 1.3 kg acceleration due to gravity = g

Q: An electron is projected with an initial speed v0 = 5.30x106 m/s into the uniform field between the…

A: Given:-  An electron is projected with the initial speed v0= 5.30×106 m/s into the uniform field…

Q: A baseball with mass of 0.145 kg is thrown straight down at the ground. At a particular speed, it…

A: Kinematics.

Q: Problem 6: A massless spring (with force constant k = 197 N/m) connects a wall and a block of wood.…

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Q: If I throw a baseball into the air, at which point is the vertical velocity = C %3D a at the…

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Q: Problem 9: Displayed to the right are two carts connected by a cord that passes over a small…

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Q: rt (b) What is its acceleration in m/s once it starts to move, if that minimum force is maintained?

A: According to Newton second law  F = ma a = F/m

Q: Surfaces of copper and cast iron in contact have coefficient of static friction =1.05 and…

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Q: Problem 9: Circular turns of radius r in a race track are often banked at an angle 0 to allow the…

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Q: Part A A small block of mass m = 1.10 kg slides, without friction, along the loop-the-loop track…

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Q: Pulsed lasers have many applications, but are very complicated to construct. One problem is…

A: Given, time t = 1 fs = 1 × 10-14 s a) distance/wavelength λ The wavelength can be calculated by…

Q: Problem 10: An elementary student of mass m = 22 kg is swinging on a swing. The length om the top of…

A: Given: The mass of the student is 22 kg.             The length from the top of the swing to the…

Q: Problem 1: A horizontal force, F1 = 65 N, and a force, F2 = 18.1 N acting at an angle of 0 to the…

A: Given mass of the block is m = 4.4 kg and the forces acting on the block are F1 = 65 N and F2 = 18.1…

Q: (b) Calculate the work done in joules as the spring is compressed from x = 0 to x1 = 23 cm.

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Q: Problem 10: A horizontal force of magnitude F = 56.6 N pushes on a block of mass m = 6.89 kg. The…

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Q: Part (b) Assuming the x-direction is along the plank as shown, find an expression for the component…

A: Given  Mass of block = m= 1.5 kg  Coefficient of friction,u = 0.84

Q: Problem 5: Rafael drops a hard rubber ball, of mass m = 310 g, onto the pavement. He drops it from a…

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Q: Which numbers are exact (and therefore have an unlimited number of significant figures)?

A: Exact numbers are the numbers that are used to count not measure. Exact numbers have infinite…

Q: Which of the following is correct and why?

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Q: When illuminated with three parallel rays of light from a light box, which of the items will have a…

A: given parallel beam of light incident on the lenses since f1 positive for a converging lens  and…

Q: A 50.0-g ball of copper has a net charge of 2.00 μ C. What fraction of the copper's electrons has…

A: Given that-Mass of the copper ball, m= 50.0 gThe net charge, Q= 2.00μCNet charge, Q=ne      ... eqtn…

Q: Problem 12: A merry-go-round is a playground ride that consists of a large disk mounted to that it…

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Q: m M A puck of mass m = 1.50 kg slides in a circle of radius r = 20.0 cm on a frictionless table…

A: Given: The mass of the puck is 1.50 kg. The radius is 20.0 cm. The mass of the hanging cylinder is…