SciencePhysicsQ&A Library**8. A truck accelerates uniformly from rest and after 5 seconds the 50-cm radius wheels on the truck have an angular velocity awf= 30 rad/s. a) What is the magnitude of the angular acceleration, a, of the wheels? b) What is the magnitude of the final velocity, vp of the truck? c) Through what total angle does each wheel turn in this time?

Question

Tagged in

Science

Physics

Find answers to questions asked by students like you.

Q: What is the magnetic field amplitude of an electromagnetic wave whose electric field amplitude is 12...

A: Given:

Q: A rock is thrown from a bridge 19.5 m above water with an initial speed of 17 m/s. Assuming negligib...

A: According to the law of conservation of energy,

Q: Two +2.30-nC point charges are located on the x-axis; they are located at the Cartesian coordinates ...

A: Consider two identical point charge(q) located at point a and -a from the origin on the x-axis.

Q: As a protest against the umpire's calls, a baseball pitcher throws a ball straight up into the air a...

A: The expression for the net force is,

Q: Two balls, each with a mass of 0.855 kg,exert a gravitational force of 8.89 × 10−11 Non each other.H...

A: The expression from gravitational force,

Q: Question 24 25

A: Given,

Q: In the winter activity of tubing, riders slide down snow covered slopes while sitting on large infla...

A: The change in gravitational potential energy is,Substitute the values,

Q: The force shown in the force vs. time diagram in the figure below acts on a 2.0-kg object (N) 2 1 4 ...

A: a)Impulse(I) is given by the area under the F vs t curve and can be calculated as,

Q: You drop your phone while visiting the Grand Canyon. If it took 18.7s before it hit the ground, how ...

A: Given:Final velocity of the phone = 0Acceleration of the phone = g = 9.8 m/s2Time taken by phone to ...

Q: Imagine you are on an amusement park and on a train ride. At some point the train ride follows a hor...

A: The expression for the centripetal acceleration is

Q: A commuter airplane takes the route shown in figure. First, it flies from origin of the coordinate s...

A: The vector diagram of routes of the airplane is given below

Q: The crew on peg leg Petes' ship have mutinied. Now Pete finds himself walking the plank. The plank i...

A: Write an expression for moment about the pivot

Q: As a fish jumps vertically out of the water, assume that only two significant forces act on it: an u...

A: Click to see the answer

Q: Number 4

A: Click to see the answer

Q: (Multiple choice) An electrically charged object creates an electric field. The electric potential d...

A: Given,Electric field due to electric charge.

Q: A CD has a mass of 17 g and a radius of 6.0 cm. When inserted into a player. the CD starts from rest...

A: The torque acting on the CD disk,

Q: A skier of mass 64 kg is pulled up a slope by a motor-driven cable. (a) How much work is required to...

A: Given:Mass of the skier, m = 64 kgSlope = 30 degreesConstant velocity of the skier upto the slope, v...

Q: Constants I Periodic Table A student sitting on a frictionless rotating stool has rotational inertia...

A: (A) Write the expression for rotational velocity using conservation of angular momentum.

Q: A rock is thrown at some angle above the horizontal with a certain velocity. It reaches its highest ...

A: During the projectile motion, at the highest point, vertical component of velocity equals zero. Hori...

Q: 51. The following diagram shows a person exerting a 300.-newton force on the handle of a shovel that...

A: Component perpendicular to the ground

Q: A segment of wire of total length 3.0 m carries a 15-A current and is formed into a semicircle. Dete...

A: The length of the segment is 3.0m. and current is 15A.

Q:

A: Click to see the answer

Q: Please show me how to draw the free body diagram as well.

A: Click to see the answer

Q: A ball with a mass of 3 kg moving at 5 m/s collides with a 9 kg ball at rest. After the collision, t...

A: Given,

Q: Let V1 = -6.4 i^ + 8.1 j^ and V2 = -4.5 j^ + 4.4 i^. Determine the direction of V2. Express your ans...

A: Let v1 and v2 be the given vectorsWrite the given values of question.

Q: A robotic explorer on Mars deploys a simple pendulum that is one meter long. The explorer determines...

A: Click to see the answer

Q: A bag of sugar weighs 3.00 lb on Earth. What would it weigh in newtons on the Moon, where the free-f...

A: Given,

Q: An 84 kg skier glides down a hill. The coefficient of kinetic friction μk = 0.15. The angle of inc...

A: (a) Draw a free body diagram showing all the forces acting on the skier

Q: A bullet of mass m1 = 10.00 g that has a velocity of v1 in the horizontal direction hits and gets fu...

A: The total momentum of the system must be conserved. The initial momentum of the system is equal to t...

Q: (multiple choice) The equation E = kq/r2 applied to (explain why that answer is correct): a. all obj...

A: Electric field due to point charge can be given as:

Q: Question 16 17

A: Write an expression for time period using Kepler’s third law

Q: ent FULL SCREEN PRINTER VERSION BACK 006 Chapter 30, Problem Your answer is partially correct. Try a...

A: Given the value of current at t = 0 sCalculate the value of resistance R as,

Q: Four forces act on an object, given by A = 40.3 N east, B = 43.3 N north, C = 74.7 N west, D = 78....

A: Given information:Force acting in east direction (A) = 40.3 N (“+ve” x-axis)Force acting in north di...

Q: Two wave pulses travel on a string. Wave pulse A displaces the string by +3 cm at x = 8 m. Wave pu...

A: Given

Q: In the figure provided, a crate of mass m sits at rest on a 20° ramp and is connected to another cra...

A: When the mass is slightly nudged, acceleration is zero.The value of the attached mass is,

Q: 97 PROBLEMS 2-45. Describe how to determine whe ther an equilibrium is stable or unstable when (dUdx...

A: Taking potential energy (U), and displacement (x). Since equilibrium is the point at which there is ...

Q: Four forces act on an object, given by A = 49.3 N east, B = 47.3 N north, C = 90.7 N west, and D = 9...

A: The net force on the object along the x-axis can be calculated as,

Q: You pull on a string with a horizontal force of magnitude Fyb = 32 N that is attached to a block of ...

A: Click to see the answer

Q: My question is why did we used sine and cosine 45 degree? Is not is supposed to be 315 degree since ...

A: It is given that the force along the y-axis is

Q: High-speed stroboscopic photographs show that the head of a 160-g golf club is traveling at 56 m/s j...

A: Given information:Mass of the club head (m1) = 160 g = 0.160 kgThe initial velocity of the club head...

Q: Hi, I am in Physics I and for this question they are asking for the rank in order, from fastest to s...

A: When a rigid body undergoes pure translational motion, all points on the object must travel at the s...

Q: Problem 1: Consider the RC circuit in Figure 1. You may assume that the switch has been closed long ...

A: (1) For the v(0-) and i(0-), the capacitor C acts as open circuit because for a long time, it was cl...

Q: A bar of magnetic material consists of atoms with magnetic dipole moments of magnitude μatom = 3.50 ...

A: When the magnetic dipoles (due to each atom) are aligned in the direction of field, the saturation m...

Q: How much energy is required to lift a 10 kg rock from the surface of the Earth and place it in a cir...

A: Click to see the answer

Q: An initially 'compressed' spring (x1 = 0.4m) is observed to compress an additional 0.4 m before stop...

A: Given information:Mass of the block (m) = 100 kgVelocity of the block (v) = 26 m/sInitial compressio...

Q: Suppose that a 1000 kg car is traveling at 25 m/s (55 mph). It brakes and slides across the road wit...

A: The Quantitative force diagram is given below.

Q: A boat moves through the water with two forces acting on it. One is a 1,575-N forward push by the wa...

A: Given:Mass of the boat = 1200 kgForward push on the boat by the water = 1575 NResistive force on the...

Q: A small cart with low friction wheels is attached to a sturdy wall with a high quality spring that h...

A: 2. Velocity of the cart – D

Q: Pelicans tuck their wings and free-fall straight down when diving for fish. Suppose a pelican starts...

A: Write the kinematic equation of motion.

Q: How would I answer part D?

A: Write the expression for the centripetal force.