What minimum speed does your rocket need

Assignment Help Physics
Reference no: EM13307871

You have been visiting a distant planet. Your measurements have determined that the planet's mass is four times that of earth but the free-fall acceleration at the surface is only one-fourth as large. What is the radius of the planet? To get back to earth, you need to escape the planet. What minimum speed does your rocket need?

Reference no: EM13307871

Questions Cloud

Study the case entitled rosie : Study the case entitled "Rosie"
Estimate the power in watts that can be produced by turbine : Estimate the power in watts that can be produced by the turbine. Hint: In a time interval Dt,the amount of mass that flows through the rotor is Dm=mDt ,and the corresponding amount of kinetic energy in this flow is (Dm*V square/2)
Write a program in vb using repetition : Write a program in VB using repetition's such as a do loop that will display the results when a button is clicked.
Discuss how the product design and innovation team at mas : Identify which are the weak spots for MAS in its relation ship with buyers
What minimum speed does your rocket need : You have been visiting a distant planet. Your measurements have determined that the planet's mass is four times that of earth but the free-fall acceleration at the surface is only one-fourth as large
Write a class named testscores : Write a class named TestScores . The class constructor should accept an array of test scores as its argument. The class should have a method that returns the average of the test scores. If any test score in the array is negative or greater than 10..
How many ray photons are absorbed in the patients body : A chest x ray uses 14 keV photons. A 65 kg person receives a 35 mrem dose from one x ray that exposes 25% of the patient's body
Find the average pressure of the expanding gas : When a .22-caliber rifle is fired, the expanding gas from the burning gunpowder creates a pressure behind the bullet. determine the average pressure of the expanding gas
Determine the peak voltage of the generator : The rms current in a solenoid is 0.036 A when the solenoid is connected to a 18 kHz generator. What is the peak voltage of the generator

Reviews

Write a Review

Physics Questions & Answers

  How far away is the milky way from our nearest neighbour

How far away is the Milky Way from our nearest neighbour, Andromeda Galaxy, if Andromeda contains roughly the similar number of stars and attracts the Milky Way with a gravitational force of 2.4 x 10^30 N.

  What is the net force on the roof

During a violent storm, the wind over a flat, 200 m2 roof has a velocity of 10 m/s. What is the net force on the roof

  How fast will the electron be moving

How fast will the electron be moving. What was his average speed (in m/s) for the race.

  What is the maximum temperature reached during compression

20 g of helium are placed in a cylinder with a movable piston. What is the maximum temperature reached during the compression

  Calculate the speed of each rock at impact with meg

Peter and Carter are dropping rocks into a stream from a bridge at a height of 28 m above the water below, As Meg emerges from the water below she is struck by both rocks. Calculate the speed of each rock at impact with Meg

  Illustrate what will be the effect on net operating income

the elimination of the Linens Department will result in a 10% decrease in the sales of the Hardware Department. If the Linens Department is dropped, illustrate what will be the effect on the net operating income of the company as a whole?

  Estimation the standard deviation of the number of counts

Identical samples containing 32P are measured for a period of 1 hr in a counter having an efficiency of 44 percent and a negligible background. From a large number of observations, the mean number of counts in 1 hr is (2.93 x 10^4)

  Compute the linear expansion coefficient of the material

A container is filled to the brim with 1.6 L of mercury at 20°C. As the temperature of the container and mercury is increased to 49°C, compute the linear expansion coefficient of the material

  Find out how high it will be when its speed has been reduced

Use the work-energy theorem to find out how high it will be when its speed has been reduced to half of its initial value. Please provide step-by-step process.

  Does its energy increase or decrease

A Na+ ion moves from inside a cell, where the electric potential is -68 mV, to outside the cell, Does its energy increase or decrease

  Elucidate what is the magnitude of the acceleration of rock

A rock of mass 34 kg accidentally breaks loose from the edge of a cliff and falls straight down. The magnitude of the air resistance that opposes its downward motion is 248 N. Elucidate what is the magnitude of the acceleration of the rock?

  Has the entropy principle been violated

A 4.00 kg model rocket is launched, expelling 46 g of burned fuel from its exhaust at a speed of 590m/s. What is the velocity of rocket after the fuel has burned? Hint: overlook the external forces of gravity and air resistance.

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