A tree of 35 m length and a mass of 500 kg is chopped down. Consider the situation when the tree (full cylinder shape) is about to hit the ground . Which force is driving the rotation? What is the track accleration of the bottom , in the middle and at the top end of the tree?

Q: In lacrosse, a ball is thrown from a net on the end of a stick by rotating the stick and forearm…

A: Given: In this question, the given details are, In lacrosse, a ball is thrown from a net on the end…

Q: A rounded stone of mass 3.0 kg and radius 0.08 m starts from rest at the top of a ramp, inclined 28…

A: Given: Mass M =3kg Radius R = 0.08m θ = 28o I = 0.7MR2 g = 9.8m/s2 h = m meter

Q: Because your spaceship has an engine failure, you crash-land with an emergency capsule at the…

A:

Q: Astronomical observations show that from 1870 to 1900 the length of the day increased by about 6.0 x…

A: Given data: The length of the day increased is, △T=6.0×10-3 s

Q: A 1.8-kg ball is tied to the end of a string.  The ball is then swung at a constant angular velocity…

A: Given data:  Mass (m) = 1.8 kg Constant angular velocity (ω) = 13 rad/s Radius of circular path (r)…

Q: A string is attached to a ball of mass 250 g, and the ball is swung around in a circular path in the…

A:

Q: A truck starts from rest and in 75 seconds it travels 1 mile. The wheels of the truck have a…

A:

Q: meter stick has a fixed axis of rotation at 50 m. A 4 kg mass is located at the 10 m marker, a 5 kg…

A: Length of the meter stick is L = 50 m For the system to be in equilibrium, the net torque of the…

Q: When a pitcher throws a curve ball, the ball is given a fairlyrapid spin. If a 0.15-kg baseball with…

A: Given mass of the ball m=0.15 kgRadius R=3.7 cm           R=0.037 mLinear speed V=48 m/sAngular…

Q: A bucket is being lowered down into a well through a rope passing over a fixed pulley of radius 10…

A:

Q: A car with tires of radius 31 cm drives on the highway at 65 mph. (a) What is the angularspeed of…

A: Given data: The radius of car’s tires is: r = 31 cm = 0.31 m The velocity of car is: Vcar = 65 mph =…

Q: A track is mounted on a large wheel that is free to turn with negligible friction about a vertical…

A: Here, the linear speed and radius are provided we have to calculate the angular velocity.

Q: Calculate the angular momentum of the Earth about its own axis, due to its daily rotation. Assume…

A:

Q: 8. • The tires on a car have a radius of 31 cm. What is the angular speed of these tires when the…

A: Radius of tire (R) = 31 cm = 0.31 cm Angular speed of tire = ? Linear speed (v) = 15 m/s

Q: a 1.82 kg shoe (the red box) is pinned against the side of the washing machine during the spin…

A:

Q: A baseball pitcher brings his arm forward during a pitch, rotating the forearm about the elbow. If…

A: Given data The velocity of the ball in the pitcher's hand is given as v = 36.9 m/s. The distance of…

Q: On applying brakes, a vehicle running at 72 km/h comes to rest after making 36 revolutions. What is…

A: Negative acceleration is referred to as retardation.When the velocity of an object drops, this…

Q: A 5.4-kg ball is tied to the end of a string.  The ball is then swung at a constant angular velocity…

A: Data provided:  Mass of the ball (m) = 5.4 kg Constant angular velocity (ω) = 14 rad/s Radius (r) =…

Q: A meter stick is allowed to fall from a vertical position and rotate to the ground without slipping.…

A: Meter stick is falling from vertical and rotate to the ground without slipping.

Q: Consider the 15.0 kg motorcycle wheel shown in the figure. Assume it to be approximately an annular…

A:

Q: (part 1 of 2) A merry-go-round rotates at the rate of 0.12 rev/s with an 83 kg man standing at a…

A:

Q: A can of Campbell's Cream of Mushroom Soup (m = 0.35 kg, radius = 0.04 m) is placed at rest at the…

A:

Q: pace station shaped like a giant wheel has a radius of 124 m and a moment of inertia of 5.64 x 10^8…

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Q: a 0.400 kg ball is shot directly upward at initial speed 76.5 m/s. What is its angular momentum…

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Q: A hula-hoop (you can model it as a thin hollow cylinder) is rolling without slipping down a road…

A: The given values are,

Q: A rounded stone of mass 3.0 kg and radius 0.08 m starts from rest at the top of a ramp, inclined…

A: mass of stone = 3 kg radius = 0.08 m θ = 28oh = 4.4 m g = 9.8 ms2

Q: A golfer taking part in a longest drive competition swings at the ball with all his might,…

A: Given-Linear velocity v= 51 m/s Radius of rotation r=1.7 m

Q: A tall telephone pole with massm and length L has just been placed in the ground. Before the wires…

A: Draw the free-body diagram of the telephone pole.

Q: Consider the 11.0 kg motorcycle wheel shown in the figure. Assume it to be approximately an annular…

A: R1 = 0.28 m R2 = 0.32 m Force (F) = 1800 N R = 0.05 m Mass (M) = 11 kg

Q: A star, spinning at a rate of 2.00 rev/s, runs out of thermonuclear fuel and suddenly contracts to…

A: Initial angular velocity, Final radius,

Q: Calculate the angular momentum of a 1.50 kg ball rotating on the end of a thin string in a circle of…

A: The moment of inertia of the ball attached to the end of a string can be given as, I=mr2=1.5 kg1…

Q: A track is mounted on a large wheel that is free to turn with negligible friction about a vertical…

A:

Q: A 7.2-kg ball is tied to the end of a string.  The ball is then swung at a constant angular velocity…

A: Given: The mass of the ball is 7.2 kg. The angular speed is 14 rad/s. The radius of the circular…

Q: A rounded stone of mass 3.0 kg and radius 0.08 m starts from rest at the top of a ramp, inclined…

A: In the below diagram i= initial position, f= final position. Where; h= 4.4 m  R= 0.08 m m= 3 kg I=…

Q: A new design for a race car is to have a large solid disk-shaped flywheel within the car storing…

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Q: What is the angular momentum of a figure skater spinning at 2.4 rev/s with arms in close to her…

A:

Q: Calculate the angular momentum of a 1.50 kg ball rotating on the end of a thin string in a circle of…

A:

Q: car runs over a nail while driving at a speed of 59 miles per hour, and the nail is lodged in the…

A:

Q: The Earth has an angular speed of 7.272 10-5 rad/s in its rotation. Find the new angular speed if an…

A: GIVEN Angular speed of  Earth 7.272 10-5 rad/s Asteroid mass  = (m) = 1.22 1022 kg  Asteroid speed…