When you blink your eye, the upper lid goes from rest with your eye open to completely covering your eye in a time of 0.024 s. Estimate the distance that the top lid of your eye moves during a blink.

Q: After being dropped, a certain ball always bounces back to 3/5 of the height of its previous bounce.…

A: GivenAfter being dropped, a certain ball always bounces back to 3/5 of the height of its previous…

Q: A particle moving with the velocity function of v=6t^2+10 Calculate the velocity of the particle at…

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Q: Two locomotives approach each other on parallel tracks. Each has a speed vv = 150 km/hkm/h with…

A: Given  Speed v=150km/h Distance d=9km

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A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: A particle is moving along a straight line in rectilinear motion. If the velocity of the particle is…

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Q: NASA launches a rocket at t =0 seconds. Its height, in meters above sea-level, as a function of time…

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Q: Traffic shock wave. An abrupt slowdown in concentrated traffic can travel as a pulse, termed a shock…

A: Solution:-

Q: 2) Let r(t) =, −ñ ≤ t ≤ ñ a) Show that the velocity and acceleration vectors are always…

A: Vector.

Q: Joshua and Erika are testing spring launchers on a nearby moon (not ours). Both shoot the…

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Q: A stone is dropped from the deck of a bridge. The sound of the splash reached the deck 3 secs later.…

A: The sound of the splash reached the deck = 3 secs  The speed of sound = 342 m/s in still air

Q: 10 (a) To find the depth of a water well at home, Martha and Amira drop a heavy rock into the well.…

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Q: : An Olympic class sprinter starts a race from rest with an acceleration of 4.7 m/s. Take her…

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Q: 9. The position of a moving particle as a function of time is given by: x = (4 - 0.11) sin(0.81)…

A: 9. x=4-0.1tsin0.8t substitute t=0 to t=30…

Q: 7. A multiple choice question. (a) By definition, velocity equals the change in position divided by…

A: Hello. Since your question has multiple sub-parts, we will solve the first three sub-parts for you.…

Q: The depth of a well can be determined by measuring the time of fall of a stone. How deep is the well…

A: the depth of the well is "s".time taken by the stone during downward motion(touching the water);…

Q: In the figure, if the time of flight (from a to b) is equal to 0.20sec. then the height H=. . cm…

A: Suppose that mass of the ball is m Time taken to reach point b from point a is t = 0.20 sec Initial…

Q: defined by The motion x = 21 - 1812 + 48t - 16, where x and t are expressed in millimeters and…

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Q: Given the quantities a=4.5 m, b=1.4s, c=43 m/s, what is the value of the quantity d = cb²

A: We are given 3 physical quantities. We are given the values also for those physical quantities. We…

Q: I throw a ball straight up in the air. It travels straight up 2 meters and then straight back down…

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Q: At 12 am, train A sets off due west at a fixed speed of s mph. Train B sets off due east from the…

A: Given:Speed of train A due west from the station at 12 am = s mphSpeed of train B  due east after 2…

Q: A particle travels along a straight line with a velocity v = (12 - 21) m/s, where t is in seconds.…

A: We know  that displacement is the smallest distance, hence in order to determine the value of the…

Q: A car leaves city A and goes to city B at 45 km / h. 20 minutes later another car leaves city B and…

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Q: The motion in two dimensions, are be for displacement and velocity two components in the direction…

A: Yes. In two dimensional motion the velocity and displacement have two components along x and y axis.

Q: (✰✰✰✰) A particle moves along a line. At time t (in seconds), the particle's velocity is v(t) = −t²…

A: Let's calculate at what time the velocity will be zero: Total displacement (vector quantity…

Q: A man standing at window 6.00 m tall watches a falling stone passing by in 0.4532 s. From how high…

A: Whenever a body undergoes motion in one direction at one time. The system follows the Newton's laws.…

Q: Q2/(8) The velocity, acccleration, and speed at t= a/3 of a particle with the given position…

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Q: - Part (c) What is the vehicle's velocity after accelerating for 8 seconds? The equation's…

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Q: The displacement of a particle is given by x(t) = (4t – 3t2) m where t is measured in units of…

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Q: The moticn of a ball scooped bya field hockus player can be moeleled by n=-16b^(2)+40b where b is…

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Q: The time derivative of v = t³ – t² + 5 is a = 3t2 – 2t -

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Q: A particle's velocity can have both magnitude (speed) and direction which vary as a function of…

A: When particle is moving in circular path with a tangential acceleration , then particle's velocity…

Q: A truck is traveling east at 82 km/h. At an intersection 34 km ahead, a car is traveling north at 60…

A: Solution:      a The position vector is            r= -34+x i∧+y,j∧→            1…

Q: A fireworks rocket explodes at a height of 42.0 m , producing fragments with velocities ranging from…

A: Initial velocity, Final velocity, Height, s = 42 m

Q: In Michael Johnson's world-record 400 mm sprint, he ran the first 100 mm in 11.20 ss; then he…

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Q: 3- an object moving according to this equation 7 = (3t² – t)i + (3 – 2cos t)j + 5e-3tk find : (a)…

A: The equation of motion is, r→=3t2-ti+3-2costj+5e-3tk

Q: Question 12 of 20 The three-toed sloth is the slowest moving land mammal. Assume that on the ground…

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Q: Two locomotives 70 kilometers apart are travelling on the same track towards each other , Engine A…

A: given,VA=22km/hdistance travel by A and B =70kmfrom newtons law of motion,S=ut+12at2for…

Q: 2/241 The coordinates of a particle which moves with curvilinear motion are given by x = 10.25t +…

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