Two spaceships approach earth with equal speeds

Assignment Help Physics
Reference no: EM13548232

Two spaceships approach Earth with equal speeds, as measured by an observer on Earth, but from opposite directions. A meterstick on one spaceship is measured to be 60 cm long by an occupant of the other spaceship. What is the speed of each spaceship, as measured by the observer on Earth?

Reference no: EM13548232

Questions Cloud

What is the specific heat of the sample : A sample with a temperature of 106.51 degrees C is dropped into an insulated cup containing water whose mass is the same as the sample and whose temperature is initially 50 degrees C.  The sample raised the temperature of the water to 60 degrees C.  ..
Calculate-compare electron densities of piece of aluminum : Calculate and compare the electron densities of a piece of aluminum 1 cm thick and a piece of iron of the same density thickness. Show your work.
Terrestrial background radiation-uranium-thorium decay chain : Today's terrestrial background radiation is about 50 mrem/year, mainly due to the uranium and thorium decay chains, and potassium. The earliest evidence of life on earth was about 3.5 billion years ago.
A particular material has a dielectric constant : A particular material has a dielectric constant of 1.7 and a dielectric strength of 14.0 MV/m. If this material is used between the plates of a parallel-plate capacitor, what is the minimum area of the capacitor plates to obtain a capacitance of 4..
Two spaceships approach earth with equal speeds : Two spaceships approach Earth with equal speeds, as measured by an observer on Earth, but from opposite directions. A meterstick on one spaceship is measured to be 60 cm long by an occupant of the other spaceship. What is the speed of each spaceship,..
What factor does the number of accessible states increase : If 20 m^3 of air held at room temperature and atmospheric pressure expands by .001%, by what factor does the number of accessible states increase?
Calculate the change in entropy in the universe : 10 kg of water at 20 degrees C converted to ice at -10 degrees C by being put in contact with a reservoir at -10 degrees C. This process takes place at constant pressure and the heat capacities at constant pressure of water and ice are 4180 and 2090 ..
The multiplicity for a particular system is : The multiplicity for a particular system is ?= exp(N^2V^3U^1/2/?), where gamma is a constant to give correct units, V is the volume, N is the number of particles, and U is the energy. What is the system's entropy, temperature, chemical potential, pre..
What is the value of the magnetic field at the origin : The combination of two circular, coaxial coils of radius a separated by a distance also equal to a, with equal currents I in each coil circulating in the same direction, is known as a pair of "Helmholtz Coils." Assuming the coils are parallel to t..

Reviews

Write a Review

Physics Questions & Answers

  Calculate the heat added to the gas

4 moles of an ideal gas have an initial temperature of 127 C. The temperature of the gas is kept constant and the volume is increases until the pressure drops to 40.0% of its original value. Calculate the heat added to the gas

  Find the magnitude of the resultant

plan a vector to represent each of the two teams. find the magnitude of the resultant.

  Find what was his avg velocity

During basketball tryouts, Umass walk-on hopeful Dwayne Madison stole a pass at his own free throw line. He then spring straight down the court to the opponent's free throw line, What was his avg velocity

  What is the energy stored in the magnetic field

An inductor used in a dc power supply has an inductance of 12.0H and a resistance of 170 OMEGA . It carries a current of 0.300 A. What is the energy stored in the magnetic field

  What is the kelvin temperature of the gas

A container holds 1.4 mol of gas. The total average kinetic energy of the gas molecules in the container is equal to the kinetic energy of a 8.2x10-3 kg bullet with a speed of 780 m/s

  Determine the separation between the two runners

One runner covered the 100-m dash in 10.9 s. Another runner came in second at a time of 11.4 s, determine the separation between the two runners when the winner crossed the finish line

  What is the mass of the block on the ramp

A block is attached to a pulley and is resting on a ramp. The angle the ramp makes with the horizontal is 35 degrees. What is the mass of the block on the ramp

  For what soap film thickness will constructive interference

Forces of 11.0 N norths, 19.5 N east, and 15.90 N south are simultaneously applied to a 3.70 kg mass as it rests on an air table. What is the magnitude of its acceleration.

  Compute the volume in cubic inches, cubic feet

a base for a building column measures 18.0 in. by 18.0 in. on a side and 12 in. high. compute the cross-sectional area in both square inches and square millimeters. compute the volume in cubic inches, cubic feet, cubic millimemters, and cubic mete..

  What is the net torque acting on the merry go round

A child applies a torque of 1200 N*M to a merry go round. The rotational interia of the merry go round is 900 kg*m 2. What is the net torque acting on the merry go round

  Determine the upward force on an airplane wing

determine the upward force on an airplane's wing if the average flow speed of air is 192 m/s above the wing and 164 m/s below the wing. The density of the air is 1.5 kg/m3 and the area of each wing surface is 26 m2.

  Compute how heavy a stone could he lift under water

If a man is capable of lifting a 149 lb stone on land, how heavy a stone could he lift under water? The specific gravity of the stone is 2.45

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