I. Modified Multiple Choices: Write the letter of your choice on the space provided. Then explain or show the solutionthat justifies your answer. Each item is worth 2 points; correct answers but without solution will gain only 1 point.1. A particle moves in a circle of radius 1.50 m according to the relation (t)=5t + 3t, where Ois measured inradians and t in seconds. What is the linear speed of the particle after 3.00 seconds?a) 33.0 m/sb) 49.5 m/sc) 54.0 m/sd) 45.0 m/s2. Refer to #1. What is the tangential acceleration after 3.00 seconds?b) 45.0 m/s²a) 10.0 m/s²c) 30.0 m/s²d) 15.0 m/s²3. An ice skater spins with arms fully extended. If she pulls her arms closer to her body then(a) the kinetic energy increases(b) the moment of inertia decreases(c) the angular momentum remains constant(d) all of these4. Juan Tamad is pedalling a bicycle at 10 m/s. Suppose the diameter of the bicycle wheels is 132 cm. What is theangular speed of the wheels?(a) 7.5 rad/sb) 13 rad/sc) 10 rad/sd) 15 rad/s5. A grinder disc of mass 2.0 kg with 8.0 cm radius rotates at 500 rev/min. What is its rotational kinetic energy?a) 8.8 Jb) 17 Jc) 26 Jd) 43 J6. A DVD disc starts rotating from rest and makes 6.0 rad after 3 seconds. Assuming it accelerates uniformly, whatis its angular velocity at the end of that time?a) 2.0 radb) 3.0 radc) 4.00d) 5.07. The moment of inertia of a body about an axis depends on itsa) angular velocityb) mass distributionc) angular accelerationd) none of these8. A super car engine delivers a power of 895 kW corresponding to a maximum angular speed of 6400 rev/min.What is the torque produce by the engine?a) 668 N-mb) 895 N-mc) 640 N-md) 1336 N-m9. A flywheel is rotating at 2.0 rad/s. How much time does it take to complete one revolution?а) 2.1 sb) 0.32 sс) 3.1 sd) 6.3 s10. A wooden ball is tied by a light string to a rod. The ball is then rotated with constant angular speed. Whathappensto its linear speed when the length of the string is doubled?a) doubledb) reduced by halfc) tripledd) remains the same

Angular velocity = rate of change of angular displacement

_1. A particle moves in a circle of radius 1.50 m according to the relation ()=5t + 3t, where 0 is measuredi radians and t in seconds. What is the linear speed of the particle after 3.00 seconds? a) 33.0 m/s b) 49.5 m/s c) 54.0 m/s d) 45.0 m/s _2. Refer to #1. What is the tangential acceleration after 3.00 seconds? b) 45.0 m/s² c) 30.0 m/s² a) 10.0 m/s² d) 15.0 m/s²

_1. A particle moves in a circle of radius 1.50 m according to the relation ()=5t + 3t, where 0 is measuredi radians and t in seconds. What is the linear speed of the particle after 3.00 seconds? a) 33.0 m/s b) 49.5 m/s c) 54.0 m/s d) 45.0 m/s _2. Refer to #1. What is the tangential acceleration after 3.00 seconds? b) 45.0 m/s² c) 30.0 m/s² a) 10.0 m/s² d) 15.0 m/s²

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

See similar textbooks

Similar questions

If the earth revolves around the sun at a constant distance of 1.50 x 1011 m, what is the centripetal acceleration of the sun if one earth year is 365 days? a. 4.0 x 10-3 m/s2 b. 3.0 x 10-3 m/s2 c. 6.0 x 10-3 m/s2 d. 5.0 x 10-3 m/s2 e. 2.0 x 10-3 m/s2
At the instant shown, the car at A is traveling at 21 m.s¹ around the curve of radius 67 m while its speed is increasing at 4 m.s2. The car at B travels at 2 m.s¹ along the straightaway. UB BOJ pm pm 45° AG VA The relative velocity of A with respect to B is aA/B-25.0 m.s-² Determine the acceleration of the car at B. (put your answer in the cell below)
60 m/s 20 OB 20 m s 5ה tan Normal and Tangential Coordinates 3. Determine the increase in speed and the normal component of acceleration at s = 2 m. At s = 0, v = 0. s = 2 m v = 4 m/s 2 m 4. Determine the acceleration at the inştant shown. The particle has a constant speed of 2 m/s. y 2x 2 m/s Datermine the acceleration at s = 2 m if v' = (2 s) m/s, where s is in meters. 大
A car on a highway is heading toward a cloverleaf interchange with a circular curvature or Radius=50 m, traveling at a steady speed of 14m/s. A) determine the position and velocity of the vehicle at points A and B. B) determine the vector components and direction of the average acceleration during the trip from a to b. Include a sketch of the vector showing it's orientation. SPeciffy the direction between -180 degrees and 180 degrees as measured from the +x axis.
Help me to solve this question please,thank you
39 - a) 265 m/s^2 B) 231 m/s^2 NS) 278 m/s^2 D) 325 m/s^2 TO) 377 m/s^2
Former prince Harry's child is riding on a dangerous, old-fashioned, playground merry-go-round which completes one revolution every 8.36 seconds. The boy is standing 4.65 m from the center of the merry-go-round. What is the magnitude of the centripetal acceleration of the child? a) 3.21 m/s^2 b) 1.78 m/s^2 c) 2.63 m/s^2 d) 2.04 m/s^2 e) 3.97 m/s^2
You are on a boat in the middle of the Pacific Ocean at the equator traveling in a hydrofoil going at a constant speed of 300 ?/?. The water is perfectly still. What is your acceleration: a) If you're heading due North? b) If you're heading due East? c) If you're heading straight up (something probably went wrong at this point). Assume the following: The earth has a radius of 6371 km. The earth makes one full revolution every 24 hours. The gravitational constant at sea level is 9.81 m/s2. East and North are relative to the Earth's axial north, not magnetic north.
Circle. In a carnival ride, the passengers travel at a constant speed in a circle of radius 5.0 [m]. They make one complete revolution in 8.0 [s]. What is the magnitude of their acceleration? O A. 3.1 [m/s²] O B. 7.9 [m/s²] O C. 4.0 [m/s²] O D. 12 [m/s²] Inertial. Which of the following closely resembles an inertial reference frame? O A. A desk at rest in a sturdy building. OB. A boat out in the stormy sea. OC. A jeepney passing through a road hump. O D. A car turning around a corner.
A race car starts from rest on a circular track of radius 632m. The car’s speed increases at the constant rate of 0.690m/s^2. At this point where the magnitude of the centripetal and tangential accelerations are equal, find the following A) the speed of the race car m/s B) the distance traveled M C) The elapsed time s
In the pulley shown, cylinder "A" has a downward velocity of 0.3 m/s. a) Write the displacement, velocity and acceleration dependent motion equations. b) Determine the velocity of “B" including units and direction c) Determine the velocity d) Determine the velocity of VA/B including units and direction VB/A including units and direction Ув
Question #4