A flywheel rotating at 483 rev/min is brought to rest with a uniform deceleration of 2.91 rad/s2. How many seconds does it take to come to rest? a) 11.1 b) 28.7 c) 5187 d) 166 e) 17.4

Q: A bullet hits a wooden block on the underside and becomes embedded in it. The mass of the bullet is…

A:

Q: In the figure, a particle moves along a circle in a region of uniform magnetic field of magnitude B…

A: Given Magnitude of magnetic field, B=4.8 mT=4.8×10-3 TMagnetic force, F=2.9×10-15 N

Q: s2 , where s is in equation meters. Solve the velocity of the particle at s = 8m if the velocity of…

A:

Q: mags of the booly is 18K weight p

A: Given data :                 Acceleration due to gravity   =   g                       Mass of the…

Q: In the reaction "He + °Ben+ 12C how much energy is released or absorbed? The mass of "He is…

A: At first, we will find the mass defect, and then we will find the equivalent energy.

Q: Description Directions: Show your COMPLETE solution including the flow of current in the circuit…

A: The circuit diagram is shown below.

Q: Two masses are attached to a uniform meter stick as shown in the figure below. The masses of m1 and…

A: For the balance of the given system we must have i)Total force on the system along the horizontal…

Q: A cart of a mass 50 kg rides over a semicircular bridge of radius 10 m. What is the minimum speed…

A: Given: The mass of the cart is 50 kg. The radius of the path is 10 m.

Q: A uniformly charged solid spherical insulator has a radius of 0.30 m. the total charge in the volume…

A: Answer:-  Given  Charge (q) = 4.1 pc = 4.1 × 10-12 c  Radius (R) = 0.30 m  Position (r) = 0.16 m  K…

Q: A football player kicks a ball with an initial velocity of 18 m/s at an angle of 32o above the…

A: Write the given values with the suitable variables. u=18 m/sθ=32°d=28 m Here, u is the initial…

Q: A 10-ohm resistor has a constant current. If 1200 C of charge flow through it in 4 minutes what is…

A:

Q: Switch B ww C A.

A: Since switch is connected to battery So, After switch is opened there is no current drawn through…

Q: Q8: One gallon of paint (volume = 3.78 x 10° cm³) covers an area of 25.0 m². What is the thickness…

A: Volume is equal to the area times thickness. Therefore, Volume=Area×ThicknessV=A×t

Q: Assume that the velocity V of fall of an object depends on the height H through which it falls, the…

A:

Q: If a 60 W electric heater has a current of 4 A at 20°C, how much resistance will be increase if the…

A:

Q: I ride my bike down a hill that is a distance of 31 meters, the hill has an incline of 32°.  I…

A:

Q: How many coulombs of charge are required to cause reduction of 0.25 mole of Cu2* to Cu? Multiple…

A:

Q: Two asteroids strike head-on: before the collision, asteroid A (mA = 7.5 x 1012 kg) has velocity 3.3…

A: Given: The mass of asteroid A is 7.5x1012 kg. The mass of asteroid B is 1.45x1013 kg. The velocity…

Q: Problem 3:   A certain heat engine has a power output of 9.5 kW and an efficiency of 21 %. The…

A:

Q: A 145.5 V battery is hooked to a 47.6 resistor. What is the resulting current (in A).

A: Current = voltage / resistor

Q: Consider the atwood machine in figure 5. Determine the acceleration of the two masses, where m1 is 6…

A:

Q: During a cyclic process, a heat engine absorbs 550 J of heat from a hot reservoir, does work and…

A:

Q: A force of 190 N is applied to an object of area 6 m2 Calculate the pressure ?

A: Given data :                  Force    =    F                  Area     =    A        To find :…

Q: If a proton has a kinetic energy of 1.000 GeV, what is its momentum? (m, Mev) = 938.0 MeV/c2 1 Gev =…

A: Kinetic energy, KE =1 GeV=1000 MeV=103 MeV Mass of proton, mp=938 MeV/c2

Q: Find Density of object of mass 170 kg which accupies space of 5 m³ ?

A:

Q: A building is 60 m tall. A student wishes to drop a tomato from the top of the building onto the…

A: Given Height of the building is h=60 m Speed of the professor is v=1.7 m/s

Q: P-2. A steel shaft 2 m long that has a diameter of 90mm. is subjected to a torque of 10 KN-m. Use G…

A:

Q: FRICTIONLESS If mass ml=48, what should be mass m2 so that the system is in state of equilibrium, at…

A: Given Two angle of inclinations are θ1=30° and θ2=50° Mass of one block is m1=48   We have to find…

Q: What is the density of a stone that weighs 19.9 lb(88 N) in air and 12.4 lb(55 N) in water

A:

Q: The focal length of a diverging lens is negative. If  f = −21 cm  for a particular diverging lens,…

A:

Q: Find the valur of force applied if work done is 320 J and displacement is 23 m

A: Given data :                     Displacement    =    d                    Work done     =    W…

Q: In the circuit below indentify how the resistors are connected (name the circuit type parallel…

A:

Q: Eddie is a football player; he kicks a ball with an initial velocity of 50m/s at an angle of 30deg…

A: Given Data : The initial velocity of the ball is given as vi=50 ms The angle of projection is given…

Q: 2. What tips can you give on the wise use of the following appliances? a. Lightings b. Flat iron c.…

A: It is the age of science and technology. We got so many electrical appliances by realizing and…

Q: Two objects, one of mass m and the other of mass 2m, are dropped from the top of a building. When…

A: Given: The masses of the objects are m and 2m. The initial velocity of the objects is 0 m/s.

Q: Which Electromagnetic Wave has the largest amount of energy per photon? A) gamma rays B infrared…

A: frequency of gamma rays is maximum and energy is directly proportional  to frequency

Q: The units for energy are kgm^2/s^2. What units must the constant A have in the following…

A:

Q: A block of mass m2 (10 kg) on a smooth, horizontal surface is connected to a second mass m1 (5 kg)…

A: For the mass M1. their are two for forces acting on mass M1 one is tension in positive y direction…

Q: A news broadcaster is to be aired from a newsroom of a television station. The news is to be…

A: The distance of the person from the transmitter is given by d=750 km=750×103 m

Q: 1. A man runs 135 m in a direction 20.0° east of north and then 95.0 m in a direction 35.0° south of…

A:

Q: 3/252 Determine the value of the coefficient of restitu- tion e which results in the final velocity…

A:

Q: gravitational force net force 3 1-.1J f the block started from rest, what is its speed after being…

A: Work done = FS Cosθ  where θ is the angle between force and displacement .

Q: Find the valur of force applied if work done is 320 J and displacement is 23 m

A: Given data: Work done, W= 320 J Displacement, S= 23 m We know that work done = force x displacement…

Q: Rank the following stars in order of increasing radius: Star A Star B Star C Surface temperature…

A: For star A  Surface temperature =6000 K Luminosity =1 For star B Surface temperature =4000 K…

Q: A stock person at the local grocery store has a job consisting of the following five segments: (1)…

A:

Q: If the pressure in the hallway would suddenly drop by 15%, and the room temperature remained at…

A: In this question we have to find the amount of net force on the door. Please give positive feedback…

Q: Directions: Show your COMPLETE solution including the flow of current in the circuit diagram. •…

A:

Q: Q9: The Andam auditorium in Dungu Campus of UDS measures 40.0 m × 20.0 m × 12.0m. The density of air…

A:

Q: A 36.0-kg crate, starting from rest, is pulled across a floor with a constant horizontal force of…

A:

Q: One long wire lies along an x axis and carries a current of 42 A in the positive x direction. A…

A: