What are the original speeds of the father and son

Assignment Help Physics
Reference no: EM13253753

A father racing his son has 1/4 the kinetic energy of the son, who has 1/3 the mass of the father. The father speeds up by 1.3 m/s and then has the same kinetic energy as the son. What are the original speeds of

(a) the father and

(b) the son?

Reference no: EM13253753

Questions Cloud

How might the organizations identity influence structure : Consider the following scenario, a new firm, Bit Technology Inc., is deciding where to locate its facilities internationally.
Define what is the internal energy change for the gas : What is the internal energy change for the gas. Give your answer in joules (J), accurate to three significant figures
What is the cost variance : A software development project at day 70 exhibits an actual cost of $78,000 and a scheduled cost of $84,000. The software manager estimates a value completed of $81,000. What is the cost variance?
Calculate most positive and most negative values for output : For , R1 = 1000 -ohm, R2 = 500 -ohm,R3 = 5000 -ohm, and RL = 2000 -ohm. The source is sinusoidal, vi (t) =120 cos(2-ohm60 t). Using the piece-wise linear model for the diode
What are the original speeds of the father and son : A father racing his son has 1/4 the kinetic energy of the son, who has 1/3 the mass of the father.What are the original speeds of  the father and son
State what is the percentage by mass of ch4 in the mixture : When a 8.37-g mixture of methane, CH4, and ethane, C2H6, is burned in oxygen at constant pressure, 445.8 kJ of heat is liberated. What is the percentage by mass of CH4 in the mixture
Is the packaging process capable : The production manager has just learned that the packet-filling process average weight has dropped down to 85.0 grams. Is the packaging process capable? Is an adjustment needed?
What is the angular displacement delta theta : A disk spinning with angular velocity , w=12 rad/s slows down to a stop in 4 seconds. What is the angular displacement delta theta
Define the standard enthalpy change for the reaction : The standard enthalpy change for the reaction below is -905.4 kJ (for the reaction as written). What is the standard enthalpy of formation of NO(g)

Reviews

Write a Review

Physics Questions & Answers

  At what angle will the electron be traveling

An electron is accelerated horizontally from rest in a television picture tube by a potential difference of 5500V. It then passes between two horizontal plates 6.5cm long and 1.3 cm apart that have a potential difference of 250V. At what angle wil..

  What is the area of the loop

A uniform magnetic field is at right angles to the plane of a wire loop. The field decreases by 0.16Tin 3.0×10?3s and the magnitude of the average emf induced in the loop is 82V, What is the area of the loop

  What is the magnitude of change in momentum

An ideal monatomic gas at first has a temperature of 311K and a pressure of 7.57atm. It is to expand from volume 571 cm3 to volume 1390 cm3.

  Find out the rate of rotation of wheel

rotates to provide an "artificial gravity" of 3.10 m/s2 for persons who walk around on the inner wall of the outer rim. Find out the rate of rotation of the wheel (in revolutions per minute) that will produce this effect.

  What is an angular velocity about the longitudinal axis

A 6 kg block slides along a frictionless horizontal surface. The block is acted on by two forces, a 4.5 N force to the left, and a 7.5 N force to the right. At what rate is the 4.5 N force doing work on the block at the instant when its speed is 4..

  What is the magnitude of electric field of the baseline

Three point charges are placed at the corners of an isosceles triangle. At the left and right end points of the base are 6 micro coulomb and 6 micro coulombrespectively, What is the magnitude of the electric field at the midpoint of the baseline

  What is the change in this frequency

A 1.0mL syringe has an inner diameter of 6.0mm , a needle inner diameter of 0.29 mm , and a plunger pad diameter (where you place your finger) of 1.2 cm . A nurse uses the syringe to inject medicine into a patient whose blood pressure is 140/100mmHg...

  Find the distance from the source

A rocket in a fireworks display explodes high in the air. The sound spreads out uniformly in all directions. The intensity of the sound is 2.30 10-6 W/m2 at a distance of 110 m from the explosion. Find the distance from the source at which the int..

  Calculate the wall forces,upwards and n to the right

When an 82.0-kg adult uses a spiral staircase to climb to the second floor of his house, his gravitational potential energy increases by 2 x 10^3 J. By how much does the potential energy of a 17 kg child increase when the child climbs a normal sta..

  How high is the sunflower on the spacecraft

A 1300 {rm N} crate slides 13 {rm m} down a ramp that makes the angle of 30^circ with the horizontal. If the crate slides at a constant speed, how much thermal energy is created.

  Determine the mass of the wheel

A large grinding wheel in the shape of a solid cylinder of radius 0.330 m is free to rotate on a frictionless, vertical axle, What is the mass of the wheel

  Determine the normal force exerted by the road

Determine the normal force exerted by the road on the car, the normal force exerted by the car on the 73-kg driver, and the car speed at which the normal force on driver equals zero.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd