Question 14) A pendulum is held next to a ceiling and then released, as shown below. 80° The pendulum reaches a maximum speed of 3.0 m/s. Length = ? FOctert spccd ic whcre highert Ekis What is the length of the cord holding the ball? Comurei-puisICC V= 3.0mls notom edi dad eneps (eonslaiaens auiq noiton

Q: a stone is dropped from a 85 meter high tower and at the same time another stone was thrown upward…

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Q: A plane and submarine are both travelling at Mach 2. Which of the following statements are true?…

A: Mach number for plane = 2 Mach number for submarine = 2

Q: minimum needed length

A:

Q: Velocity O 3 Time, s (1) st Velocity Velocity + Time (4) Time, s (2) Velocity + Velocity + Time, s…

A: Given, The displacement covered by a particle in the velocity-time graph is given by the area under…

Q: If seen from a fixed point R, two objects C & D have 5m/s and 6m/s velocity respectively in mutually…

A: Vc  = 5m/s VD = 6m/s

Q: Solve the following questions. 1. The position of a particular particle as a function of is given by…

A: r = 8.5 t i + 5.6 j - 2 t2 k

Q: Given: X= 5t – 6t – 7t t = 1sec and t, = 3 secs Required: Solve for a.) displacement, b.) average…

A: Given data:  The position as a function of time x = 5t3 - 6t2 - 7t t1 = 1 s and t2 = 3 s

Q: Two coils close to each other have a mutual inductance of 32 mH. If the current in one coil decays…

A: The expression for the EMF of a coil, ε=-dϕdtThe magnetic flux of the coil isϕ=MI

Q: RELATIVE VELOCITIES IN ONE-DIMENSION А. A car passes station A with a velocity of 60kph, East. At…

A:

Q: Where has 0.99 come from for the velocity?

A: This is a question related to the decay of pion from the particle physics.

Q: Given: x - coordinate: x = -5.00sinwt, where w is constant, x is meters, and t is seconds y –…

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Q: Snakes X and Y start to crawl at the same time at equal speeds from a hole to find food. Snake X…

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Q: Joey starts riding his scooter from his apartment to campus. He thinks it would be fun to make a…

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Q: an aircraft speeds up at a rate of 15m/s from rest. how long will it take to reach a velocity of…

A: Given that,Initial speed of aircraft (u) = 0 (m/sec)Acceleration : a = 15 (m/sec2)Final velocity : v…

Q: 3. A car decelerates by constantly reducing 3 m/s per second of its velocity in a span of 10…

A:

Q: A Student thrasa bau Straight up Wth he MAAI Speed of 8.0 mfs.Has lore does t tate to Riturn the…

A: S=ut-1/2 at2 where, S stands for displacement=0 time t =? acceleration a =g (9.82 m/s) initial…

Q: A sprinter accelerates from rest at a uniform rate of 2.25m/sec^2 for 5.5sec to reach his maximum…

A:

Q: Given: In this pulley system, block A is moving downward with a speed of 6 feet per second while…

A: Given data: Speed for block A vA = 6 ft/s (downward) Speed for block C vC = 18 ft/s (downward)

Q: Suppose you're watching the deconstruction of a bridge. It's blown up and the sound of the explosion…

A: Write the given values with suitable variables. t=3 sv=344 m/s Here, t is the time and v is the…

Q: a man walking at a steady pace of 0.5 m/s at 10 m away from a 48 m tall building saw a ball drop…

A: Given:initial velocity, u = 0.5 m/sdistance, d=10 mheight, h=48 mSolution:Let the acceleration be…

Q: If a rocket with an initial velocity of 600 m/s Accelerates at 20 m/s2  for one minute, what will…

A: An initial velocity of the rocket,Acceleration of the rocket,Time taken

Q: 6. With what velocity should the rock be launched to reach a maximum distance of 4R,?

A:

Q: Name 1. A ball rolls off a level 4m shelf at a velocity of 4m/s. How far from the table do Sketch:…

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Q: The jet belt and man have a total weight of 170 lb. (Figure 1) Figure Fx = 35 lb = 300 lb If the…

A: Tota weight is Horizontal component of thrust is The vertical component of thrust is Time is…

Q: fro at tow Jos. the alw.

A: The displacement is calculated by taking the integral of velocity function , that is ,  Let the…

Q: An alien called UngaBunga from planet TungaBunga, throws a ball directly up at a speed

A: d=ut+0.5at230 m=20 m/s2 s+0.5a2 s230 m=40 m+2aa=-5.0 m/s2

Q: 450 m/s 2 m/s 2 m/s 5 s 7s 1.5 s 50 m/s² 15.55 m/s² 7 m/s²

A: Since we answer up to three parts, we will answer the first three. Please resubmit the question and…

Q: A bunch of keys was thrown directly upward by Macoy, who is looking out of the window, to be caught…

A: As per student's request I am answering parts c. and d. only. Given : Initial velocity (vo) = 3 m/s…

Q: A tourist at a rim of a canyon yells "hello!" toward the opposite side. She hears the echo "hello"…

A: Data  we have Speed of sound,v=340m/s time required for echo to travel,t=4s To find d=?

Q: Given: X = 5t – 6t – 7t t = Isec and t, = 3 secs Required: Solve for a.) displacement, b.) average…

A:

Q: A boy tosses a coin straight up to 2.2 m. Suppose the height when the coin leaves his hand is 1.3 m.…

A: Initial height of the coin in boy's hand = 1.3 m The height of the coin when it tosses = 2.2 m The…

Q: You are riding ina bus moving slowly through heavy traffic at 4.0 m/s. You hurry to the front of the…

A: Given data: The speed of me relative to the bus, vmb=6.0 m/s. The speed of the bus relative to the…

Q: A car moving at 25m/s makes a head-on collision with an identical car that is at rest. They combine…

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Q: 1b. A car accelerates form a stop light at 3M/S2 until it is traveling at a velocity of 15M/S? At…

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Q: Superman throws a chocolate-covered peanut into the air and catches it in his mouth 6 seconds later.…

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Q: I A baseball pitcher can throw a ball with a speed of 40 m/s. He is in the back of a pickup truck…

A: Vball=40 m/s Vfloats=10 m/s Vtruck=?

Q: A spaceship is travelling at 55 m/s [E74S] when it fires its rockets, which provide an acceleration…

A:

Q: described in Prob. 6.5? 6.7. A car travels at an average speed of 60 mi/h for 3 h and 20 in. What…

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Q: If A = (6 m)i - (8 m) then 47 has magnitude: O 10 m O 56 m O 40 m 0-8 m 08m

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Q: An object moved in one dimension with velocity 5 m/s for 60 s, then with 10 m/s for 90 s, and…

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Q: 2. (a) The figure below illustrates a racetrack near a refuelling station. route of car B (ii)…

A: (a) For car A:Initial velocity, uA = 80 m/sDistance between point X and refuelling station, d = 120…

Q: A particle moves along the x-axis, its coordinate x = -6t + 5t* varies with time according to the…

A: The velocity of an object is the rate of change of its position with respect to time Hence, v =…

Q: the ball each time from the same heght y. What is the velocity Vo? (The gravity acceleration g s 9.8…

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Q: In a rally a road is designed so that the minimum acceleration for a car to jump is 12.8 m/s?. The…

A: Using kinematic equation, the expression for find length is v2=u2+2all=v22a

Distance and Speed

The speed, distance and time relation forms the basis of study of motion. You will need these concepts in the study of Mechanics. This concept is applicable for students who are studying the following courses –