The bob of a 3 m pendulim deseribes an are of circle in a vertical plane. If the tension in the cord is 3.5 times the welght of the bob for the position shown, ind the velocity and the acceleration of the bob in that position. 3 m 30 عرض الكل Q12 pdf Q7.pdf Q11(1) pdf ET/-A

Q: Circular freeway entrance and exit ramps are commonly banked to handle a car moving at 13 m/s. To…

A:

Q: If the radius of the path of a body in uniform circular motion is doubled and the speed is kept the…

A:

Q: 5. A rock of mass m is moving in a vertical circle of radius R with constant speed v. (As always,…

A: Given: The speed of the object is v tangentially. The free-body diagram of the object is given…

Q: Number 3. I need also the free body diagram for that.

A: The free body diagram of the car is shown below.

Q: A 32.0-kg child takes a ride on a Ferris wheel that rotates four times each minute and has a…

A: The angular speed of the child is, ω=4 rpm=460 rad/s=0.067 rad/s The tangential speed of the child…

Q: A car travels around a horizontal bend of radius 204.8 m at a constant speed. If the coefficient of…

A:

Q: 1. A car travels at a steady 40.0 m/s arounda horizontal curve of radius 200 m. a) Draw a FBD and…

A:

Q: a

A:

Q: A car starts from rest at time t = 0 and moves around a circular track of radius 100 m. Its speed…

A: Given: The radius of track is R=100 m. The tangential acceleration is aT=2 m/s2. The initial…

Q: A 50.0 kg child takes a ride on a Ferris wheel that rotates four times each minute and has a…

A: Comment: Since we only answer up to 3 sub-parts, we'll answer the first 3. Please resubmit the…

Q: A 1500-kg car approaches a horizontal curve at constant speed of 30 m/s.  The radius of the curve is…

A: Given data The mass of the car is m = 1500 kg. The speed of the car is v = 30 m/s. The radius of the…

Q: A car of mass m is moving on a level circular track of radius R. If µ, represents the static…

A: Given data: Mass of moving car is, m. Radius of circular track is, R. Coefficient of static friction…

Q: A 1.20 kg drone is being used to make video for use in University promotional materials. It is…

A: The centrifugal force experienced by a body in circular motion is given by Fc = mv2r, where m = the…

Q: A car approaches a level, circular curve with a radius of 45.0 m. If the concrete pavement is dry,…

A:

Q: 1,0 m 60

A:

Q: A car travels at 17 m/s without skidding around a 35 m radius unbanked curve. What is the minimum…

A: Given, Speed of the car, v = 17 m/s radius of the unbanked curve, r = 35 m

Q: A 1500-kg car drives around a flat 25-m-radius circular track at 10 m/s (approximately 22 mph). What…

A:

Q: A 52.0-kg child takes a ride on a Ferris wheel that rotates four times each minute and has a…

A: As the question has more then three sub parts, first three are solved.

Q: 1a. In an effort to extend AIT TV coverage in Ghana and West Africa without the help of any…

A: Given Data:

Q: (a) If v1 = 20m/s [E10N] , than -v1 = 10m/s [W20S]? True or False (b)Your displacement will always…

A:

Q: 8. On a wet road, the coefficient of static friction between a car's tires and the flat road is…

A: Given: Coefficient of the static friction between the wet road and the car tires μ = 0.4 Radius of…

Q: 1. A "swing" ride at a carnival consists of chairs that are swung in a circle by 15.0-m cables…

A: Write the given values of this problem. L=15 mm=179 kg

Q: A car of mass m moves at a constant speed v of 30 m/s around a banked circular track of radius R =…

A: The free body diagram of the car of mass m on banked track is shown below θ is the bank angle  mg…

Q: A 46.0-kg child takes a ride on a Ferris wheel that rotates four times each minute and has a…

A: “Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: 1 25°

A:

Q: 55.0 kg child takes a ride on a Ferris wheel that rotates four times each minute and has a diameter…

A:

Q: A 48.0-kg child takes a ride on a Ferris wheel that rotates four times each minute and has a…

A:

Q: A car is safely negotiating an unbanked circular turn at a speed of 15 m/s. The road is dry, and the…

A: This question is based on Newton's laws of motion topic. When a car takes a circular turn, it…

Q: 2.2 kg object is whirled ina vertical circle whose radius is 1.0 m. The time of one revolution is…

A:

Q: A 42.0-kg child takes a ride on a Ferris wheel that rotates four times each minute and has a…

A: "As per the guidelines i solved the first three subpart". (a) The radius of the wheel is, r=d2=20…

Q: A car is driving along a circular track of diameter d = 0.75 km at a constant speed of v = 22 m/s.…

A:

Q: An airplane maintains a constant speed of 277 m/s as it travels around a vertical circular loop…

A: Given:

Q: 2. If the coefficient of friction between vehicles and the road is 0.4 and the radius of curvature…

A: The minimum speed of the vehicle on the road for banking is  v =μ r  g where, r is the radius, g is…

Q: A car travels around a horizontal bend of radius 169.6 m at a constant speed. If the coefficient of…

A: Given : Radius of a horizontal bend (r) = 169.6 m Coefficient of static friction (μs) = 3.7

Q: Question 15 A car is driving inside a vertical circular track at the minimum constant velocity…

A:

Q: 1. A banked track makes an angle with the horizontal of 40.0°, and it has a coefficient of static…

A:

Q: 3. A 1600-kg car moving on a flat, horizontal road negotiates a curve. If the radius of the curve is…

A: Given: The mass of car is m=1600 kg. The radius of curve is R=40 m. The coefficient of friction is…

Q: A car turns a corner on a road of radius (4.90x10^1) m. If the coefficient of static friction =…

A:

Q: A 36.0 kg child takes a ride on a Ferris wheel that rotates four times each minute and has a…

A: GIVEN Angular speed is 4 rpm = 4/60 revs per second = 0.0667 rps, Diameter D = 21 m, radius r = 10.5…

Q: A car weighing 10.8 kN and traveling at 13.6 m/s without negative lift attempts to round an unbanked…

A: Given: The weight of the car is 10.8 kN. The speed of the car is 13.6 m/s. The radius of curvature…

Q: Problem 1: Arock of mass m = 0.56 kg is attached to a massless string of length L = 0.68 m. The rock…

A: We are told that the rock is being rotated in a vertical circle. Given the mass of the rock is, m =…

Q: Problem 1: A rock of mass m = 0.79 kg is attached to a massless string of length L = 0.84 m. The…

A:

Q: 8. A 1000-kg car is moving at 30 m/s around a horizontal unbanked curve whose diameter is 0.20 km.…

A: Given that, Mass of a car, m = 1000 kg Speed of a car, v = 30 m/s The diameter of the curve, d = 0.2…

Q: 12. On a wet road, the coefficient of static friction between a car's tires and the flat road is…

A:

Q: A small object of mass 0.500 kg is attached by a 0 0.650 m-long cord to a pin set into the surface…

A:

Q: A car is driven at constant speed 20m/s over a circular valley with the radius R-20m. The mass of…

A: The force due to gravity is given as  Fg=mg where m is the mass of the car and g is acceleration due…

Q: A sport car moves around a banked curve at just the right constant speed v so that no friction is…

A: From equilibrium forces, Ncosθ=Mg             .........1Nsinθ=Mv2r          .........2

Centripetal Force

A particle, body, object or certain mass while travelling in a rotational path or semicircular path, experiences an inertia force. If that inertia force pulls the towards the inward of the imaginary circle in the rotation, it is termed as centripetal force.