4. Find X. ( point of rotation @ 40N ) 40 N 60 N 15 m 100 N

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: 40. A train travels at a speed of 144 km/h. Its wheels per- fectly adhere to the rails (no sliding)…

A:

Q: Force m (kg) w (N) = mg e (*) F1 0.06 0.588 N or 0.59 95 F2 0.075 0.735 N or 0.74 215 F3 0.07 0.686…

A:

Q: O 21.5 MR² O 12.5 MR2² O 9.50 MR² O 11.5 MR2² cyl Axis of rotation

A:

Q: 1. An object travels around a circle10.0 full turns in 2.5 seconds. angular displacement, 0 in…

A: Given, Number of turns = 10  Time = 2.5 seconds

Q: (a)Convert 54.0° to radians.   (b)Convert 16.0 rad to revolutions.   (c)Convert 74.0 rpm to rad/s.

A: (a) 2π rad corresponds to 360.0°. 54.0°=54.0°×2π rad360.0°=0.9425 rad (b) 2π rad corresponds to one…

Q: A car wheel 30 cm in radius is turning at a rate of 8.0 rev/s when the car begins to slow uniformly…

A: Given, Radius=30cm Rate=8rev/s Time=14s

Q: Convert 0.25π from radians to degrees

A: angle = 0.25 π radians Using π radians = 180oangle = 0.25 * 180 angle = 45o

Q: *44 During an Olympic bobsled run, the Jamaican team makes a turn of radius 7.6 m at a speed of 96.6…

A:

Q: Question 17) A carnival ride has a 2m radius and rotates once in 0.90s. Find a) the speed of the…

A:

Q: 41. An electric fan rotates 100 times in 50 s. If the blength of its wing from its axis of rotation…

A: Given, An electric fan rotates, N=100 times The length of wings from the axis of rotation is, r= 0.5…

Q: (2)Convert from radians to degrees - rad 12n rad 5 12n rad 3 rad 2π rad

A: To find: radian to degree conversion

Q: 8. A discus thrower turns with angular acceleration a=50rad/s, moving the discuss in a circle of…

A: The centripetal acceleration of a body is given as ac=rω…

Q: It takes 2π radians (rad) to get around a circle, which is the same as 360°. How many radians are in…

A: It is given that ,  Therefore,

Q: •4 Express the following angles in radians: (a) 20.0°, (b) 50.0°, (c) 100°. Convert the following…

A: Given data:  Angle given in degrees Required: Need to convert into radians

Q: Find the speed of a car if it’s 14-inch tires are rotating at 6 rev/s.

A: 1 inch = 2.54 cm  Radius r= 14 × 2.54  = 35.56 cm = 0.3556 m  Frequency f = 6 rev/s

Q: 45. A particle of mass 4 kg is moving in horizontal circle of radius 2 m. The centripetal force is…

A:

Q: A turntable has a diameter of 40.0 cm. It rotates at a rate of 40 revolutions per second (rps)…

A: Since you have asked more than three parts of a question, I will answer the first three parts of the…

Q: (II) A bicycle with tires 68 cm in diameter travels 9.2 km. How many revolutions do the wheels make?

A: Since you are posted more than one question, we will answer the first question. If any specific…

Q: A = Si+4j+6k lbm B = 2i+4j+9k kgm C = 20i+20k N Determine: a. Magnitude of R in N. b. Angles of the…

A:

Q: R1=22 0 V1-9.0 V R2=18 0

A: According to ohms law V=IR

Q: Can you please answer this question and show all of the steps

A: a) The required resultant vector is,

Q: The units or "dimensions" of radians are: A) pi (π) B) degrees ( º ) C) radians are unitless D)…

A: To Determine The unit of 'dimensions' of radians

Q: Identify the speed of a person standing on the equator, due to the earth's rotation.

A: Given thv radius of the earh is 6.4 x106 m.

Q: It is the rate of changes in angular displacement. Select one: a. Angular Velocity b. Angular…

A: Rate of change of angular displacement is angular velocity

Q: A phonograph record rotates at 45 rpm. Through what angle does it turn in 0.14 s

A: The conversion from rpm to rad/ is, 45 rpm=45 rpm2π rad1 rpm1 min60 s             =4.71 rad/s Write…

Q: How many degrees per second does an object rotates if its angular velocity is 32 rev/min?

A:

Q: A wheel with a radius of 50 cm turning at 240 rpm uniformly increases its frequency to 1320 rpm in…

A: Given information: Here, r is the wheel’s radius, ωi and ωf are the initial and the final angular…

Q: 14. A wheel on a moving car slows uniformly from 70rad/s to 42 rad/s in 4.2 seconds. How many…

A: Given: The initial angular speed is 70 rad/s. The final angular speed is 42 rad/s. The time interval…

Q: (1)Convert from degrees to radians 200 10 120 56° 600

A: To find: degree to radian conversion

Q: . A horizontal platform 6m in diameter revolves so that a point on its rim moves 6.50m/s. Find its…

A: Answer:-  Given  Diameter (d) = 6 m  Radius (r) = d/2  r = 6/ 2 = 3 m  Speed (V) = 6.50 m/s  We know…

Q: Which of the following requires the least force when rotated about the axis AA 1) 2:) A - A

A:

Q: A bicycle tire accelerates uniformly from rest to 3.89rad/sec in 9.0 s. Calculate how many radians…

A:

Q: 17. Determine the frequency and period of rotation of an electric fan if a spot at the end of one…

A:

Q: 3. For a rotating rigid object, which quantity (or quantities) is the same for every particle that…

A: a rigid body consists of n number of particles distributed at different distances from the axis of…

Q: A 166-kg object is moving in a circular path (r = 17.4 cm) at a constant rate of 1.81 rev/s. Find…

A: mass of object = 166 kg radius of circular path = 17.4 cm = 0.174 m angular velocity (ω) = 1.81…

Q: A car of mass 1,257 kg makes a circular turn of radius 17.68 m along a level roadway The coefficient…

A: Given Radius of circular path is R=17.68 m Coefficient of friction between the tires and the road is…

Q: 4- 30 Kg body moves in a circle of radius 20 m and can move 125.6 m after 10 sec. Find the central…

A: First we need to find out velocity of body.

Q: 7. A motor at rest is turned on to 2500 rev/min in 26s. How many revolutions w last 26s? 127 300 476

A:

Q: A 10 kg wheel of radius 0.5 m rotates at an angular speed of 10 rad/s. Find the centripetal force (…

A:

Q: 7. How many rpm would a Ferris wheel need to make for a person to feel weightless at the top of the…

A: Let f denotes the frequency, r denotes the diameter of the Ferris wheel, m denotes the person’s…

Q: (a) Convert 46.0° to radians, using the appropriate conversion ratio. 0.80 rad (b) Convert 2.00 rad…

A: Length of arc is given as l= r© ,where © is the angle subtended by arc in radians

Q: 3. It takes 21 radians (rad) to get around a circle, which is the same as 360°. How many radians are…

A:

Q: 4. A75 kg person is riding in a Ferris wheel (which rotates vertically) that has a radius of 12.5…

A: The centripetal force is given by  F =mv2r The time period is given by  w =2πT where, w is the…

Q: (II) A bicycle with tires 68 cm in diameter travels 9.2 km.How many revolutions do the wheels make?

A: Given data: The diameter of the bicycle tire, D=68 cm. The distance travelled by the tire, S=9.2…

Q: 3. Find the rate of revolution [ in revolutions per minute (or rpm)] of a centrifuge if a particle…

A:

Q: A fan starts from rest and speeds up to 5.00rey/s ro tates constantly for 9.00s. It then slows to a…

A: We have to use kinematic relation for angular motion