Suppose that a father is 23.00 y older than

Q: A wire lies on a horizontal surface in the xy plane. Suppose that one end of the wire is at the…

A:

Q: 13) Your lungs hold 4.2 L of air at a temperature of 27°C and a pressure of 101.3 kPa. How many…

A: Given,         Pressure ,P =  101.3kPa                            P = 101.3×10³ Pa…

Q: 22) A 4.0-kg aluminum block is originally at 10°C. If 160 kJ of heat is added to the block, what is…

A: solution:- given data , mass of block m = 4kg, initial temperature of  block,  Ti  = 10°C, when we…

Q: The diagram bellow shows two masses, a 50kg mass on a ramp at 50° with a coefficient of friction of…

A:

Q: The allowed energies of a simple atom are 0.00 eV. 4.12 eV, and 6.44 eV. Y Part A What wavelengths…

A: Emissions and absorption

Q: Suppose there are approximately 2.0 x 10° asteroids in the asteroid belt that have a diameter larger…

A: Given:- The 2.0 x 106 asteroids in the asteroid belt have a diameter larger than 0.5 km The asteroid…

Q: Are the medium where the waves/oscillation travel affect its intensity? Explain

A: Yes, the medium affects the intensity.

Q: Use the model for projectile motion, assuming there is no air resistance and g = 32 feet per second…

A:

Q: In a two-dimensional tug-of-war, Alex, Betty, and Charles pull horizontally on an automobile tire at…

A:

Q: How does momentum and impulse come into play when a soccer ball hit you in the face? (I sent this in…

A: When a soccer player recognises that he will be hit on the face by his opponent, the player often…

Q: In the figure, block 2 (mass 1.40 kg) is at rest on a frictionless surface and touching the end of…

A:

Q: What is the most important physical part of the ISS? Explain how and why. If you use any sources…

A: ISS serves as an orbiting laboratory for the experiments in life sciences, physical sciences , earth…

Q: Find the distance covered by car Speed=120 km/hr Time=2.4 hr

A: We know  Distance = Speed x Time

Q: 2. A large wrecking ball is held in place by two light steel cables. If the mass m of the wrecking…

A:

Q: Leila is in a bicycle road race. In the first leg, she rides 12km from Hague Park to Bluffer’s Park…

A: (a) Draw the diagram of the motion of Leila.

Q: A steel is 20cm long at 20 oC. The coefficient of linear expansion for steel is 12 x 10-6 (oC)^_ The…

A: Given    A steel is 20 cm long at 20°C ,the coefficient of linear expansion for steel is 12× 10-6…

Q: A solid insulating sphere of 2.0 cm radius is uniformly charged throughout its volume with an…

A:

Q: Q13: A 4 kg mass is projected down a rough ( shown. )circular track (R = 2 m) as The speed of the…

A: R = 2 m mass (m) = 4 kg vA = 4 m/s vB = 6 m/s

Q: Q(3): Match between the followings definitions ( 1 In a steady-state Diffusion A Atom interchanges…

A: In the given question, We are asked to match the definition of Steady-state diffusion, Diffusion,…

Q: The electric potential distribution in a certain region of space is given by V (z) = (8 V/m^2)z^2 +…

A: Given:- V= 8z2 + 5z For an equipotential surface, the potential at every points on that surface…

Q: In the figure, one end of a uniform beam of weight 380 N is hinged to a wall; the other end is…

A:

Q: metal bar, whose initial temperature was 30° C, is dropped into a large container of boiling water.…

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Q: car is moving at 20 m/s with its horn blowing at a frequency of 1200 Hz. It is chasing a second car…

A:

Q: 3. A 5.00-kg box is moving to the right with speed 3.00 m/s on a horizontal, frictionless surface.…

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Q: The wheel shown in the figure rolls without slipping on the horizontal plane. The angular velocity…

A:

Q: The position-time graph below depicts the motions of two objects, A and B. Which of the following…

A:

Q: An iron rod heated from 30 °C to 80 °C. The final length of iron is 39cm and the coefficient of…

A:

Q: two friend 50m apart are walking towards each other in a straight road. Man A is walking at a speed…

A:

Q: 24) It is necessary to determine the specific heat of an unknown object. The mass of the object is…

A: Given : m = 201 g = 0.201 kg Q = 15 J ∆T = 10°C

Q: A large tank is filled to capacity with 300 gallons of pure water. Brine containing 4 pounds of salt…

A:

Q: A BB with a mass of 25g travels of 33m/s  to the right and strikes a 100g clay ball moving at 25 m/s…

A: GIVEN: mass of BB (m1)=25g=0.025kg velocity of BB(v1)= 33m/s mass of clay (m2) = 100g=0.1kg velocity…

Q: The position-time graph pictured below represents a race between three contestants A, B, and C. The…

A: Position time graph is used to represent the position of object at any given instant.

Q: angular acceleration of a flywheel decreases uniformly from 9 rad per sec² to 3 rad per sec² in 6…

A: We need to calculate the initial angular velocity and the total number of revolutions of the…

Q: A photographer has a camera with a focal length of 75 mm, in front of which an object is moving from…

A:

Q: In the figure, block 2 (mass 1.20 kg) is at rest on a frictionless surface and touching the end of…

A: Mass of block 1(m1) =1.40 kg It's speed (V1) =3.30 m/s Mass of block 2(m2) =1.20 kg Block m1 sticks…

Q: Four forces are exerted on the eyebolt as shown. If the net effect on the bolt is a direct pull of…

A:

Q: 9. Situational Question The rotation of a pulley is defined by the relation a=2t where a is in…

A:

Q: A 2.5-kg stone is released from rest and falls toward Earth. After 4.0 s, the magnitude of its…

A:

Q: The angular position of a point on a rotating wheel is given by 0 = 4.65 +8.95t2 +4.09t3, where 0 is…

A:

Q: What is its mechanical

A: Given data;  machine effort of 10 kgfit is used this effirt to lift the load is;    load=100 kgfFind…

Q: An incompressible fluid is flowing through a horizontal pipe with a constriction. The velocity of…

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Q: Q7: In a given displacement of a particle, its kinetic energy increases by 25 J while its potential…

A:

Q: a noise level meter reads the sound level in a room to be 85 dB. What is the intensity of sound in…

A: Given sound level 85dB We know sound level in dB is  dB=10log( I/I0) where l is intensity of sound…

Q: An iron rod heated from 30 °C to 80 °C. The final length of iron is 94 cm and the coefficient of…

A:

Q: Compute the displacement Work done-77.88 J Force=23 N

A: Given data:   Work (W) = 77.88 J Force (F) = 23 N Required: Displacement (d)

Q: Q11: Block A, with a mass 5 kg, rests on the incline. The coefficient of static friction between the…

A:

Q: The bowling ball has mass 6 kg, diameter 24 cm. The moment of inertia of a solid sphere around its…

A:

Q: (A) 45.5 s. (B) 100 s. (C) 43.7 s. (D) 21.9. (E) 30.9 s.

A: Given  Resistance(R)=25.3 kilo ohm’s  capacitance (C)=2.49 mF voltage (V)=19.7 volt Required time at…

Q: Determine the magnitude of the voltage required to accelerate an electron to a Kinetic Energy of 8 x…

A: Given  kinetic energy of electron (Ek)=8 x 10-15 joules  Required voltage(V)=?

Q: 2.) The (net) current in a solar cell can only go in one direction. Explain which direction is…

A: Solar cell.

Estimate of calculation