An airplane flies at 40 m/s at an altitude of 50 m. The pilot drops a heavy package that falls to the ground below. Neglecting air resistance, the package will land

Q: A child (20kg) is at rest on a wooden raft (100kg) that's also at rest. The child decided to jump in…

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Q: The commander has asked you shoot cannonball off the side of a cliff that is 70 meters tall. The…

A: From the kinematics equation, the value of the displacement is: Substitute the known values and…

Q: A sky diver drops his smuggled 1kg weight from physics lab out of the air plane before he jumps,…

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Q: Basidiomycete fungi ballistically eject millions of spores into the air by releasing the surface…

A: Given data: The spores are ejected at the speed, v = 1.05 m/s

Q: A cabinet, weighing 400 lbs, was pushed out of a penthouse window 2800 feet above the ground in…

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Q: A 3kg ball is dropped from rest in the -y direction from a 10m tall building.  Ignore air…

A: Take the top of the building to be y=0 and the downward direction to be positive. The equation of…

Q: A 1.5-mm-long, 0.55 mg flea can reach a height of 17 cm in a single leap. Ignoring air drag, what is…

A: Given: The length of the flea l = 1.5 mm. The mass of the flea m = 0.55 mg. The height covered by…

Q: A block drops from rest from the top of a building. Determine its velocity at 7m before the impact.…

A: Given data:  Height of the building = 100 m Mass (m) = 50 kg Required: The velocity of block at 7 m…

Q: A large rock is dropped from rest from the edge of a cliff that is 20 m above the surface of the…

A: Given: Height from which rock is dropped  h=20 m Initial speed of rock is, u=0 Apply the kinematics…

Q: A small block slides down a frictionless track whose shape is described by y = (x^2) /d for x0. The…

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Q: A worker on a rooftop is startled by a snake, scoops it with a shovel and throws it down the…

A: Initial speed, u = 16 m/s Maximum height, h = ?  Acceleration due to gravity, g = 9.8 m/s²

Q: how tall is the building?

A: Given data: The final velocity attained by the water balloon is: v = 40.5 m/s The height of the…

Q: A roadrunner is cruising at 14 m/s without knowing the road under its feet is about to run out, at…

A: The roadrunner is moving with a constant initial velocity of 14 m/s. It then comes at the end of a…

Q: A ball of mass 100 g, projected at an angle of 25° from the ground with an initial velocity of 12…

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Q: A 115 gram apple falls from a branch that is 3.5 meters above the ground. (a) How much time elapses…

A: Givenm=115 gh=3.5 m(a)h=ut+12gt2 =0+12gt2         ( as u=0 , apple just falls , no initial…

Q: gh the road is lev

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Q: You are standing on your balcony in an apartment building. You tossed a coin straight upwards at 4…

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Q: A body of mass 2 slugs is dropped from a height of 450 ft with an initial velocity of 10 ft/sec.…

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Q: A worker at the top of a 494-m-tall television transmitting tower accidentally drops a heavy tool.…

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Q: you go on a trip on Mars. You toss a coin from an initial height of 0.855 m (about waist height)…

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Q: A ball is thrown downward from the top of a 40.0 m tower with an initial speed of 12.0 m/s. Assuming…

A: Height of building= 40 m Initial speed= 12 m/s Ball is thrown downward.

Q: There are two best friends named Kaela and Georgie. Kaela is on top of the first storey building and…

A: Given: Length of 1 storey, L= 3.378 m gravity, g = 9.8 m/s2 To Find: 1) time taken when they meet 2)…

Q: Q15: A rock is thrown downward from the top of a 40.0-m- tall tower with an initial speed of 12 m/s.…

A: Given(s): The initial speed of the rock, u=12 m/s. The rock was thrown from a height of, h=40.0 m.…

Q: The athlete jumps with a pole and flies up to a height of 6,1 meters. What is the athlete's velocity…

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Q: A physics book slides off a horizontal tabletop with a speedof 1.10 m/s. It strikes the floor in…

A: Given: The initial velocity of the book in x-direction, ux = 1.1 m/s. The total time taken by the…

Q: A baseball is thrown vertically upward with an initial velocity of 9 m/s. Neglecting air friction,…

A: At the maximum height, the velocity is zero,

Q: Basidiomycete fungi ballistically eject millions of spores into the air by releasing the surface…

A: The initial speed of the spore is given as, u = 0 m/s The final speed of the spore is given as, v =…

Q: stone is dripped fr

A: Stone has an initial velocity zero. The acceleration due to gravity g is known. Let us consider it…

Q: You are designing an artillery system with the aim of hitting a target 20 km away with two shells at…

A: Given data:  A projectile motion  Horizontal Range (R) = 20 km = 20000 m Angle (θ) = 50°, with the…

Q: A child is standing on the edge of a cliff overlooking a river. The cliff is 8 m above the edge of…

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Q: A small block slides down a frictionless track whose shape is described by y = (x^2) /d for x0.…

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Q: Ms. Croghan sets up a demonstration that uses a toy cart with a ball on a spring attached to it. As…

A: Here, as ball and toy cart initially both are moving at horizontal velocity V, the spring will…

Q: A baseball is projected horizontally with an initial speed of 5.93 m/s from a height of 1.73 m. What…

A: Given: The initial velocity of the ball is 5.93 m/s in the horizontal direction. The height of the…

Q: An explosion causes debris from the ground to rise vertically with an initial velocity of 160 feet…

A: Given data: Initial velocity (v0) = 160 ft/s Height (h) = 300 ft Required: The speed at height 300…

Q: A ball is dropped (from rest) from a window and hits the ground with a speed of 7.0m/s. If the ball…

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Q: Basidiomycete fungi ballistically eject millions of spores into the air by releasing the surface…

A:

Q: A ball is thrown vertically upward with an initial speed of 9.0 m/s then falls back to its initial…

A: The initial speed of the ball is given by u=9 m/s

Q: A cheetah leaps horizontally from a 5-meter high rock at a speed of 3.5 m/s. How far from the base…

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Q: It takes 2.10 s for a small ball with a mass of 0.080 kg released from rest from a tall building to…

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Static and Kinetic Friction

Kinetic friction comes into existence when there are moving surfaces means in other words we can say that the force which comes into existing between moving surfaces is known as kinetic friction.