A ball with an initial velocity of 10 m/s rolls off the edge of a horizontal table. Which of the following would decrease the time it takes for the ball to hit the ground? (Group of answer choices) a. Increase the initial velocity of the ball b. None of the above c. Increase the rotational inertia of the ball d. Increase the mass of the ball

Q: Problem 1. A 1.5-kg grinding wheel 25.0 cm in diameter is spinning counterclockwise at a rate of…

A:

Q: A44 The diagram shows the driving wheel of a car with a torque of 125 Nm being applied to the axle…

A:

Q: 7. Earth has a bad day. It will lead to a brighter future for you though, because it will give us…

A: Hello. Since your question has multiple parts, we will solve the first part for you. If you want the…

Q: Two ladybugs are crawling across a record that is on a record player. The record player is turned on…

A: In this question we are given that two ladybugs are crawling across a record that is on a record…

Q: Bambi and Wiggy were riding on a carousel. Wiggy is closer to the axis of rotation while Bambi is…

A: In rotational motion, all particles cover the same displacement in a particular time interval…

Q: 2. Two buckets spin around in a horizontal circle on frictionless bearings. Suddenly, it starts to…

A:

Q: Q2) A (20kg) child sitting in a cart to which a (2m) rope is attached. The rope is tied to a motor…

A: Write the given values with the suitable variables. m=20 kgr=2 mF=100 N Here, m is the mass, r is…

Q: To start a lawn mower, you must pull on a rope wound around the perimeter of a flywheel. After you…

A: The object's angular velocity can be said to be the change in the object's angular displacement…

Q: A pitcher throws a curveball that reaches the catcher in 0.64 s. The ball curves because it is…

A: Time to reach by the ball to reach= 0.64 s Av. angular Velocity= 260 Rev/minute

Q: A shaft, starting from rest , spins up to a speed of 600 rpm in seven seconds . Determine the…

A: Equation of kinematics for rotational motion is as follows; ω=ωo+αt…

Q: 1. The distance between the centers of the wheels of a motorcycle is 146 cm. The center of mass of…

A: Given that the distance between the centers of the wheels is 146cm, and the center of mass including…

Q: A child stands on a playground merry-go-round a distance of 1.50m from the rotation axis. The…

A:

Q: Exam2.pdf (10 points) I want to kick a soccer ball hard enough so that it rolls up the hill to my…

A:

Q: 7. You are working during your summer break as an amusement CR park ride operator. The ride you are…

A: Given,

Q: A 2.8-m-diameter merry-go-round with a mass of 240 kg is spinning at 20 rpm. John runs around the…

A: Given data as per question D   =  2.8m m  = 240kg N  =  20rpm v  =  5m/s

Q: Q1. Falling hoop. A bicycle wheel without spokes is idealized as a ring or a hoop with mass m and…

A: Mass of the ring m=2 kg Radius of the ring R=30 cm Acceleration due to gravity g=9.81 m/s2

Q: 108. Ferris Wheels A neighborhood carnival has a Ferris wheel whose radius is 30 feet. You measure…

A: Given Radius of Ferris wheel: r=30 [ft] Time taken for one revolution: t= 70 [sec] The linear speed…

Q: ambi and Wiggy were riding on a carousel. Wiggy is closer to the axis of rotation while Bambi is…

A: angular velocity will be the same irrespective of the distance of the person from the axis of…

Q: A test tube filled with blood is spinning in a centrifuge. A platelet is pinned to the end of the…

A:

Q: A student gives a steady push to a ball at the end of a massless, rigid rod for 1 s, causing the…

A:

Q: Problem 1 A circular pulley of radius 0.45 [m] can rotate on frictionless bearing. A massless string…

A: Given  Initial velocity u = 0  Final velocity v = 13 m/s  Distance covered  s = 5 m

Q: 10. ao A floor polisher has a rotating disk that has a 15-cm radius. The disk rotates at a constant…

A: Let the angular displacement of the disk is given by θ, angular velocity is given by ω and time is…

Q: A0.019 kg record with a radius of 11 cm rotates with an angular speed of 33 rpm. Part A Find the…

A: Given Data: The mass of a record is, m=0.019 kg The radius of a record is, r=11 cm The angular speed…

Q: The mass of the rope connecting the two blocks as shown in the figure is negligible. Pulley moment…

A: Given : Mass m1 = 8 kg            Mass m2 = 10 kg           An acceleration =  1 m/s²

Q: A pitcher throws a curveball that reaches the catcher in 0.60 s. The ball curves because it is…

A:

Q: Question 2. This is a conceptual question. A disk of mass M and radius R is rotating about a fixed…

A:

Q: 4. Two discs are rotating about an axis as shown in the figure. The moment of inertia of the right…

A: Given: The moment of inertia of the right disk is 2 kg.m2. The moment of inertia of the left disk is…

Q: ConstantS At a typical bowling alley the distance from the line where the ball is released (foul…

A:

Q: A pitcher throws a curveball that reaches the catcher in 0.48 s. The ball curves because it is…

A: Given in question - The ball reaches the catcher in time∆t=  0.48 s…

Q: A ball rolls down a long ramp without slipping, and then enters a Loop-D-Loop. (a) Choose the…

A: Let's assume,  i. The mass of the ball = 1 kgii. The radius of the ball = 5 cm = 0.05 miii. The…

Q: Find the constant angular acceleration (in rad/s2) of the centrifuge.

A:

Q: A tradesman sharpens a knife by pushing it against the rim of a grindstone. The 50 cm diameter stone…

A: Write the given values with the suitable variables. d=50 cm=0.5 mωi=200 rpm=200×2π60 rad/s=20.94…

Q: Three children are riding on the edge of a merry-go-round that is 102 kg, has a 1.60 m radius, and…

A:

Q: Three children are riding on the edge of a merry-go-round that is 162 kg, has a 1.60 m radius, and…

A: Given: The mass of the merry-go-round is 162 kg. The radius is 1.60 m. The angular velocity is 21.3…

Q: platform. The cylinder has a mass of 255 kg and a radius of 0.490 m. Assume that the cylinder can…

A: Moment of inertia of solid cylinder = (1/2) mr2

Q: Q5.) A merry-go-round spins with a period of 1 second. It consists of a cylindrical disk with m=100…

A: spinning period of merry-go-round= 1 sec mass of disc = 100 kg radius of disk = 1.5 m  person weight…

Q: John McClane, desperately trying to escape the bad guys in an upper floor of a skyscraper, grabs a…

A:

Q: 2. A student gives a steady push to a ball at the end of a massless, rigid rod for 1 s, causing the…

A:

Q: Leo is spinning a basketball with a radius of 12 cm on the tip of his finger. Determine the mass of…

A: The moment of Inertia of about the axis of a hollow sphere is given by I = 23Mr2, where M = mass of…

Q: A hyper car's report claims the car can reach 100 km/hr from rest in 2.8 seconds. We will assume…

A:

Q: You want to ride a Ferris wheel with a 100-m height. Before buying a ticket, you challenge yourself…

A:

Q: dentify whether the statement is TRUE or FALSE 1. RPM is the speed of the centrifuge that causes…

A: Statement 1 is true. RPM (Rotation per minute) is the speed of centrifuge that causes particles to…

Q: 9. Doja sits on the outer part of a carousel, and Megan sits midway between the center and the rim.…

A:

Q: A pitcher throws a curveball that reaches the catcher in 0.58 s. The ball curves because it is…

A: Angular velocity is rate of change of angular displacement. ω=θt So angular displacement  θ=ωt Given…

Q: A pitcher throws a curveball that reaches the catcher in 0.64 s. The ball curves because it is…

A: Given data: The time is t=0.64 s The angular velocity is ω=260 rev/min

Q: 2) Find the magnitude of the angular momentum of the second hand on a clock about an axis through…

A:

Q: The shaft of an elevator motor turns clockwise at 180 rpm for 10 s, is at rest for 15 s, then turns…

A:

Q: A small 620-gram ball on the end of a thin, light rod is rotated in a horizontal circle of radius…

A: As per guidelines, only first question is solved here. Given, Mass of mall, m = 620 g = 0.620 kg…

Torque

Torque is the rotational equivalent of linear force in physics and mechanics. Based on the course of study, it is also known as the moment of force, rotational force, or turning effect.