28.0 kg

Q: MasteringPhysics: HW19 y! A 176 block is launched by comp X A 195 g block is launched by con X X X s...

A:

Q: A rod of length 70 cm and mass 2.6 kg is suspended by two strings which are 41 cm long, one at each ...

A: The bar has only one other force acting on it when string B is cut, and that would be gravity. The g...

Q: Calculate the centripetal force on the end of a 100 m (radius) wind turbine blade that is rotating a...

A: The expression for the centripetal force is given by,

Q: 25.69      A 1.50-m cylinder of radius 1.10 cm is made of a complicated mixture of materials. Its re...

A:

Q: A machine part is initially rotating at 0.500 rad/s. Its rotation speeds up with constant angular ac...

A: Given values:

Q: Two point charges are on the y axis. A 5.10-µC charge is located at y = 1.25 cm, and a -2.48-µC char...

A: The given values are,

Q: A turntable rotates with a constant 2.25 rad/s2 clockwise angular acceleration. After 4.00 s it has ...

A: Given information:Angular acceleration (α) = 2.25 rad/s2Angular displacement (Δθ) = 30 rad/sTime tak...

Q: An elevator loaded with tourists has a mass of 1750 kg. The elevator experiences a negative accelera...

A: Consider the free body diagram shown below.

Q: Find the equation of simple harmonic motion for a spring mass system where the mass is hanging off t...

A: Given information:

Q: A jet engine develops 1.0x105 N of thrust to move an airplane forward at a speed of 9.0x102 km/h. Wh...

A: Given information:Thrust produced by the plane (F) = 1 × 105 NVelocity of the plane (v) = 9 × 102 km...

Q: A Young's double -slit arrangement with slit width 0.2cm produces interference fringes for red light...

A: the expression for the angular fringe width in air is 

Q: A roller-coaster car shown in the figure below is pulled up to point 1 where it is released from res...

A: Part A:Use the conservation of mechanical energy to solve the following part.Since the Sum of the to...

Q: 6. Assuming that the Moon is revolving around the center of the Earth (? = 3.84 × 108m) and itsorbit...

A:

Q: Part A: How long must a 0.68-mm-diameter aluminum wire be to have a 0.42 A current when connected to...

A: Part A:Given Information:Diameter of the wire d = 0.68 mmCurrent I = 0.42 AVoltage V = 1.5

Q: Power Calculate the force needed to lift a barbell 2.2m in 2.0s if the power used was 550W. (answer:...

A: Given,

Q: A daredevil is shot out of a cannon at 45.0° to the horizontal with an initial speed of 28.0 m/s. A ...

A: Equation of projectile is given by,

Q: 7. A student throws a water balloon vertically downward from the top of a building. The balloon leav...

A: a)Newton’s equation of motion is,

Q: 3) You are attempting to lift a 350 kg sofa to your third-floor apartment building using a pulley sy...

A: the total load is 

Q: If voltage doubles does resistance also double? If voltage doubles does the power dissipated also do...

A: The property by which a conductor resists the flow of charge through it is called resistance.Resista...

Q: Due date: Wed, Oct 9 2019 **24. A safe filled with gold (total mass = 875 kg) is sitting on a bathro...

A: The free body diagram of the lift is shown below.

Q: The potential in a region between x = 0 and x = 6.00 m is V = a + bx, where a = 13.0 V and b = -6.70...

A: Given,

Q: For the calculation of eccentricity of an elliptical orbit, e = c/a, c is the distance from center t...

A: Eccentricity is a measure of deviation of the conic section from the circle.Write the expression for...

Q: A positively charged particle with mass 3.4 g and charge 12 C is initially moving with velocity 5.8 ...

A: Write the expression for electrostatic force.

Q: 46. In Figure P5.46, the pulleys and Q C the cord are light, all surfaces are frictionless, and the ...

A: Hey, since there are multiple questions posted, we will answer first three subparts. If you want any...

Q: A 28-g rifle bullet traveling 190 m/s embeds itself in a 3.1-kg pendulum hanging swing upward I an a...

A: Using conservation of momentum, the speed with which pendulum rises up to a height h is,

Q: Calculate the maximum displacement ofthe sound wave in air whose frequency is 3.4 kHz and having the...

A: The expression for the maximum displacement is,

Q: How much work must be done to stop a 925-kg car traveling at 110 km/h?

A: According to the work energy theorem, the work done on an object to change its state is equal to the...

Q: A 3.00 kg rock has a horizontal velocity of magnitude 12.0 m/s when it is at point P in the figure (...

A: Write the expression for magnitude of angular momentum.

Q: A stone is thrown with an initial speed of 15 m/s at an angle of 53 ° above the horizontal from the ...

A: Let u be the initial velocity, h be the maximum height of the projectile, g is the acceleration due ...

Q: part 1: The average speed of a horse that gallops a distance of 10 km in a time of 30 min is  a) 30 ...

A:

Q: In Section 1.4, we considered the collision of a karate expert’s hand with a concrete block. Based o...

A:

Q: Determine the force that the basketball exerts on your hands while you are catching it. Assume you d...

A: Given:Mass of basketball, m = 0.625 kgHeight of the basketball, h = 2.2 mInitial velocity of the bas...

Q: Two blocks are connected by a massless rope. The rope passes over an ideal (frictionless and massles...

A: Consider the acceleration of the first block, that move along the horizontal, be a1, and the acceler...

Q: What is the net force of a 5.0-N force and an 8.0-N force acting on an object for each of the follow...

A: Given values:Force, F1 = 5.0 N       Force, F2 = 8.0 N

Q: A projectile is fired at an upward angle of 35.0∘from the top of a 145 m cliff with a speed of 165 m...

A: Given:                                                               A projectile is fired at an upw...

Q: What electric field strength is needed to create a 4.8 A current in a 1.6-mm-diameter iron wire?

A: Given:Current  = 4.8 ADiameter of wire = 1.6 mmRadius of wire = 0.8 mm 

Q: 3-a) Consider the following configuration of point charges: charge q at ~r1 = (a, 0, 0); charge −qat...

A: (a)The figure 1 shows the generic point charges.

Q: The speed of a block moving on a horizontal frictional surface changes from vi = 15 m/s to vf = 12.5...

A: Write the equation of motion for the block and solve for the acceleration of the block.

Q: What effect would air resistance have on the range of a projectile?

A: When a projectile is thrown into the air, the air resistance will oppose the motion of the projectil...

Q: A 30-cm-diameter, 1.6 kg solid turntable rotates on a 1.6-cm-diameter, 450 g shaft at a constant 33 ...

A: Given values:Radius of turntable, r1 = diameter/2 = 15 cm = 0.15 mMass of turn table, m1 = 1.6 kgRad...

Q: Calculate the fundamental frequency of the wave in an organ pipe of length 4.00 cm which is closed a...

A: The fundamental frequency of the organ pipe for which one end closed is

Q: A bullet with a mass ?b=12.3mb=12.3 g is fired into a block of wood at velocity ?b=257vb=257 m/s. Th...

A:

Q: An elevator cable breaks when a 950 kg elevator is 24.0 mabove the top of a huge spring (k = 8.50×10...

A: Write the expression for conservation of energy before striking the spring

Q: Two blocks of clay, one of mass 1.00 kg and one of mass 6.00 kg, undergo a completely inelastic coll...

A:

Q: Sara throws a baseball to Janice. The baseball has a mass of 0.142kg. It is 1.1m above the ground, m...

A: Given value:Mass of the baseball, m = 0.142 kgHeight of the baseball above the ground, h = 1.1 mInit...

Q: A torque 151 N m is applied to the centrifuge to increase its angular velocity to 3500 rev/min in 45...

A: Angular acceleration is,

Q: 3. A horse canters away from its trainer in s straight line moving 220 m away in 18s. It then turns ...

A: Given:Horse moves away 220 m in 18 s, and moves back halfway back in 4.8 s.Away from the trainer is ...

Q: Constants I Periodic Table The 37 kg wheel of an airplane flying at 248 m/s at an altitude of 7400 m...

A: GivenMass of the wheel (M)= 37 kgSpeed of airplane (u)= 248 m/sSpeed of wheel (v,) =383m/sAltitude (...

Q: A 9.20-kg hanging object is connected by a light, inextensible cord over a light, frictionless pulle...

A:

Q: a. What is the resultant force exerted by the two cables supporting the traffic light in the figure?...

A: GivenForce in right cable (T1) = 60.0 NForce in left cable (T2) = 60.0 NAngles

Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.