The diagram shows a ball rolling across the floor. Which graph would represent the ball if it were moving at a constant velocity in a positive direction?

Q: A ball is tied to the end of a cable of negligible mass. The ball is spun in a circle with a radius…

A: Given data: The radius is r = 2 m The revolutions in every t = 10 s is N = 7   The angualr speed…

Q: Chris tied a 902g rock to a rope and swung it above his head, making 35 complete revolutions in two…

A: Mass of rock (m) = 902 g = 0.902 kg Number of revolutions in 2 minutes = 35Number of revolutions in…

Q: Answer the following in terms of the objects velocity. a. If an object has a non-zero tangential…

A: Velocity is always directed along tangent to path .Velocity is a vector quantity it has direction…

Q: A car has wheels of radius 30 cm. It starts from rest and accelerates uniformly to a speed of 15 m/s…

A: Given: Radius of the wheel: r=30 [cm]=0.3 [m] Initial velocity: u=0 [m/s] Velocity: v=15 [m/s] Time:…

Q: An automobile engine slows down from 3100 rpm to 1500 rpm in 2.3 s . a) Calculate the total…

A: Given data:  Initial angular velocity (ω0) = 3100 rpm Final angular velocity (ω) = 1500 rpm Time (t)…

Q: a ladybug is placed on a rotating turntable. she travels in a circle and is 10 m from the axis of…

A: Given: The speed of the object is 20 m/s. The distance of the object from the center is 10 m.

Q: A toy airplane is tied to a 0.7 m cord, swirling in circles.  The boy holding the cord did a…

A: radius of the circle, r=0.7 m angular velocity ω=24 rpm=24×2×π60 rad/s let the linear velocity of…

Q: A car initially traveling eastward turns north by traveling in a circular path at uniform speed as…

A: The turning of car from point A till point C is case of uniform circular motion where speed is…

Q: A construction worker pulls a five-meter plank up the side of a building under construction by means…

A: Given:l = 5mv=-0.14 m/sh=1.8 m

Q: If the man pulls the strap with constant acceleration during a short time interval Δt, calculate the…

A: Vf=1.9m/s R=0.4m M=2.4kg ∆t=0.3sec

Q: A Ferris wheel with radius R=14.0m is turning about a horizontal axis through its center. The linear…

A: Given that,  Radius, R =14 m Linear speed, v = 7.8 m/s (A) The magnitude of the passengers…

Q: A centrifuge accelerates uniformly from rest to 19000 rpm in 280 s . Part A Through how many…

A:

Q: The tires of a car make 88 revolutions as the car reduces its speed uniformly from 104 km/h to 63…

A: We need to calculate how much more time it takes for the car to stop.

Q: The angular velocity of a process control motor is \omega (t) = (-3/2 t2- 20)Rad /s, where t is in…

A: The angular speed is given byω(t) = (-3/2t2 -20) Rad/s

Q: Two physics students are sitting on a spinning merry-go-round. One student measures the time it…

A: Let the time taken to complete one rotation = T  Let the speed = v  Let the radius of merry go round…

Q: A Ferris wheel with radius R = 15.0 m is turning about a horizontal axis through its center in the…

A: Given that,Radius R =15 mlinear velocity of passenger V =7.40 m/ s

Q: A car initially traveling eastward turns north by traveling in a circular path at uniform speed as…

A:

Q: 32 cm radius, spherical ball starts from rest on an H=6.4m tall hill and rolls down. After rolling…

A: radius (r) = 32 cm = 0.32 m H = 6.4 m h = 4.1 m Let the mass = m

Q: A cyclist on a circular track is travelling at 20 ft/sec. His speed in the tangential direction…

A: Given data: Velocity of the cyclist, V=20 ft/s Acceleration in the tangential direction, at=4 ft/s2…

Q: When an object is in uniform circular motion, the acceleration of the object toward the center axis…

A:

Q: The first Law of Planetary Motion states: * A. All planets orbit the Sun in elliptical orbits…

A: To identify : "the statement for first law of planetary motion"

Q: A gondola on an amusement park ride spins at a speed of 15 revolutions per minute. If the gondola is…

A: The ride spins , 15revolutions per minute .  Also , the gondola , is 24feet from the rides centre ,…

Q: A green car starts off at the finish line at 0 m/s (initial velocity). The green race car does a…

A: length of track = 800 m initial velocity of red car = 0 m/s initial velocity of green car = 0 m/s…

Q: A ball is speeding up along a circular track. What can be said about the velocity and acceleration…

A: Required : The correct option.

Q: A figure skater is initially spinning with his arms and one leg outstretched at 50 rpm. By slowly…

A: The expression from angular kinematics,

Q: A disk spins at 4.0 revolutions/second. What is its period, in second?

A:

Q: susan has designed a device that fires a cannon into the harbor. the cannon has an initial velocity…

A: Initial velocity of the cannon,  Angle of the projectile from the horizontal,

Q: In an amusement park ride called The Roundup, passengers stand inside a 18.0 m -diameter rotating…

A:

Q: A ceiling fan turns at a rate of 76 RPM. What is its speed in radians per second?

A: Given data:  Angular velocity (ω) = 76 rpm Required: Angular velocity in rad/s

Q: A circular disk (D = 5.63 cm) is rotating at an angular velocity of 209 rev/min and is decelerating…

A: Time taken by disc to comes to rest. ωf=ωi+αt   t=ωf-ωiα=0 rev/min-209 rev/min0.1047 rad/s1…

Q: An ultracentrifuge accelerates uniformly from rest to 100,000 rpm in 2.0 min. If this…

A: The ultracentrifuge’s angular acceleration can be determined as, Here, ω, α, and t represents the…

Q: A ball with a mass "m" is attached to a string with a length of "L". The ball attached to the string…

A: The force diagram of the mass is : Here, θ=ϕ2 Now , equating the forces we have, Along y-…

Q: In uniform circular motion, which of the following are constant: Check all that apply. speed…

A: We need to discuss about uniform circular motion.

Q: A 1.75 kg puck is moving in a circular path on a frictionless, flat surface. The puck is tied to a…

A: Given: The mass of the puck: m = 1.75 kg. The length of the connecting string: L = 75.0 cm (0.750…

Q: A Ferris wheel has a radius of 42.4 feet. The bottom of the Ferris wheel sits 0.8 feet above the…

A: GivenA Ferris wheel has a radius of 42.4 feet. The bottom of the Ferris wheel sits 0.8 feet above…

Q: A fan is rotating at a constant speed of 60 rpm. The fan has a diameter of 0.50 m and coasts to a…

A: Initial speed of fan is ωi = 60 rpm  Radius of the fan is R = 0.25 m  t = 30 s

Q: Jim is driving a car at a constant speed on a straight path along ckwise direction for 8.50 km. As…

A: Given:- Jim is driving a car at a constant speed on a straight path along a horizontal road in the…

Q: A car is traveling with a speed of 19 m/salong a straight horizontal road. The wheels have a radius…

A:

Q: Shown below is the velocity vector for an object that is speeding up. Identify which of the other…

A: Given Data: The figure given in the problem represents the velocity vector for an object making 80°…

Q: A bicycle is placed on a service rack with its wheels hanging free. As part of a bearing test, the…

A:

Q: A wheel of a car makes two complete revolution every 2 seconds and has a radius of 15 m. Determine…

A: