h2

Q: A simple pendulum, consisting of a lightweight 25-cm rod and a small 500-g weight, pivotsfrom point…

A: Given that, A simple pendulum, consisting of a lightweight 25-cm rod and a small 500-g weight. At…

Q: eed of the ball when it leaves

A: Given: Distance is 4 m Roof angle is 30o

Q: A bead is sliding frictionlessly in the orbit in the figure. If the bead is released from the height…

A: mgh1-h2=12mv2g4R-2R=12v2v=2gR

Q: Lola can do a loop-the-loop on a skateboard of radius  4.9 m. What is the minimum speed needed for…

A:

Q: 6.8. A cannon launches two shells at the same speed, one at 55° above horizontal and one at 35°…

A: 6.8)Write the expression for the range of the projectile motion.

Q: A mother pushes her child on a swing so that his speed is 9.7 m/s at the lowest point of his path.…

A:

Q: In the figure, a solid 0.4 kg ball rolls smoothly from rest (starting at height H = 6.0 m) until it…

A:

Q: A small ball of mass 740.0 g is placed in a tube that is bent into a circular arc of radius R= 67.5…

A: Newton's laws of motion are the three laws that describe the relationship between the motion of an…

Q: 2.0 x 103 kg roller coaster car travels around a 24 m radius vertical loop. The tangential speed of…

A:

Q: Ar a circus, a stunt rider is going to do a Loop-de-Loop. The radius of the circular part of the…

A: Radius, r = 8.13 m Mass, m = 318 kg Speed, V = ?

Q: A 2.0 kg ball at the end of a 1.1 m string swings in a vertical plane. At its lowest point the ball…

A: (a)According to Newton's law of motion, V2=U2+2aS...............(1) Where, V=final velocity…

Q: As a roller coaster crosses the top of a 50 m diameter loop the loop, it’s apparent weight is the…

A:

Q: A smooth ball of mass m slides down a frictionless incline (see figure). The ball is released a…

A:

Q: 4. Gravitational Potential Energy. In TWICE TV2, Dahyun (mass = 48.9 kg), Jeongyeon (mass = 49.1…

A: (a) The car only has kinetic energy at point A. The potential energy of the car at this point is…

Q: Modern roller coasters have vertical loops like the one shown in the figure below. The radius of…

A:

Q: B R A A new roller coaster contains a loop-the-loop in which the car and rider are completely upside…

A: Scenario - When roller coaster car comes down from certain height, its p.e is converted to k.e. It…

Q: A possible new Olympic snowboarding event has boarders slide down a concave hill from point A and…

A: Free body diagram at P:

Q: A string under a tension of 59.0 N is used to whirl a rock in a hortzontal circle of radius 2.45 m…

A: Here is the answer and explaination in the given image

Q: In an amusement park roller coaster ride, a car starts from rest at point A and races through a…

A:

Q: The mass of a roller coaster car, including the riders, is 512 kg. The path of a portion of the ride…

A: SOlution: Given that m = 512 kg VA = 12.8 m/s VB = 22.5 m/s rA =18.8 m rB =10.2 m rC =6.6 m

Q: The height that a cartoon character starts from is 5.00 meters. The radius of the loop the loop is…

A: Given,cartoon character starts from height, h = 5.00 mradius of the loop,, r = 1.75 mminimum speed…

Q: A Purple Block about (mA = 24 kg) glides along a rail, it starts at point 1 with a height H1 = 5.40…

A: Given: The mass of the purple block is 24 kg. The height of the block1 is 5.40 m. The radius of the…

Q: A solid sphere of mass 1 kg and radius = 0.1 m (I = MR2/2) rolls down an inclined plane of height =…

A: The expression for the solid speed of the sphere,

Q: small ball of mass m is suspended by a string of length L. The string makes an angle β with the…

A:

Q: hello guys. can you solve it? thank you...

A:

Q: You are testing a new amusement park roller coaster with an empty car with a mass of 115 kgkg. One…

A:

Q: A 34.6-gram Hot Wheels car is moving along the ground with a speed of 2.57 m/s. It approaches a hill…

A: The hot wheel car rolls back after the rolls up along the inclined hill due to its weight. Thus,…

Q: A puck is sliding around a circular track that is banked at an angle o with respect to the…

A: Given that:v=32.7 m/sR=414 m

Q: A 51.5-g toy car is released from rest on a frictionless track with a vertical loop of radius R. The…

A: (a) The speed of the car at the top of the vertical loop is, Fg=Fcmg=mvloop2Rg=vloop2Rvloop=gR

Q: A small remote-controlled car with mass 1.44 kg moves at a constant speed of v=11.8 m/s in a track…

A: mass of car (m) = 1.44 kg constant speed (v) = 11.8 msradius (r) = 5 m Centripetal acceleration (a)…

Q: A rollercoaster car starts at rest at some initial height h0 and then rolls down an incline. At the…

A:

Q: A certain string just breaks when it is under 23 N of tension. A boy uses this string to rotate a…

A:

Q: A roller coaster travels without friction along a track and makes it through two loops while staying…

A:

Q: A wind turbine on a wind farm turns in response to a force of high-speed air resistance, R=0.5DρAυ2.…

A:

Q: Two satellites are in circular orbits around a planet that has radius Rp = 9.00 × 106 m. One…

A:

Q: A roller coaster car filled with passengers has a mass of 4800 kg. What speed must it have at the…

A:

Q: A large spring is used to launch a bobsled along an iced (frictionless) horizontal track, entering…

A: A large spring is used to launch a bobsled along an iced (frictionless) horizontal track, entering…

Q: Chad gets on a roller coaster. Chad and the cart rolls down the frictionless loop with a constant…

A: Free body diagram:

Q: A roller coaster of mass m (when filled with passengers) goes over the crest öf å čircular section…

A: a) As we know that the force equation for the motion is :Fg-N=mv2rnow, its known that F=mg,…

Q: An accelerometer C is mounted to the side of the roller-coaster car and records a total acceleration…

A:

Q: A Purple Block about (mA = 24 kg) glides along a rail, it starts at point 1 with a height H1 = 5.40…

A: (A) Given: The mass of the purple block is 24 kg. The mass of the blue block is 8 kg. The height of…

Q: A car is going around a flat curve which has a radius of curvature of 87.3 m with a constant speed…

A:

Q: calculate the power available with (a) υ=8.0 m/s and (b) υ=24.0 m/s.

A:

Q: A 65kg skateboarder (including the skateboard) wants to figure out how fast he needs to be traveling…

A: a No. of forces in plane.bCentripetal force(Fc)cAre all forces balanced.given,mass of…

Static and Kinetic Friction

Kinetic friction comes into existence when there are moving surfaces means in other words we can say that the force which comes into existing between moving surfaces is known as kinetic friction.