At what height above the surface of the earth

Assignment Help Physics

Reference no: EM1392917

Q. A 4.3 x10^2 kg hot-air balloon takes off from rest at the surface of the earth. The nonconservative wind and lift forces take the balloon up, doing +9.7 x10^4 J of work on the balloon in the process. At what height above the surface of the earth does the balloon have a speed of 7-m/s?

Reference no: EM1392917

Questions Cloud

Bell-shape distribution with means : Heights of men on a baseball team has a bell-shape distribution with a means of 173 cm and a standard deviation of 9 cm. Using the empirical, rule what is the approximate percentage of the men between the following values?

Find the magnitude and direction of tension of third rope : In a ballistics test, a 23-g bullet travelling horizontally at 1300 m/s goes through a 40.0 cm-thick 450-kg stationary target and emerges with a speed of 900m/s. The target is free to slide on a smooth horizontal surface.

Need to be considered in media selection and budgeting : There are three factors that need to be considered in media selection and budgeting. These include

Define the velocity of the cart at the bottom of the track : A rock is suspended from the string and moves downward at constant speed. Which statement is true concerning the tension in the string if air resistance is ignored.

At what height above the surface of the earth : At what height above the surface of the earth does the balloon have a speed of 7-m/s.

Polar compound to cross the plasma membrane : Provided that a substance's permeability represents the distance it can travel in a lipid bilayer per unit time, how long would it take an uncharged.

Establishing the null and alternative hypothesis : Determine whether the evidence is enough to reject the salesperson's claim. Establish the Null and alternative hypothesis, and choose the right test statistics.

How you would determine the price of the product : Be sure to include how you would determine the price of the product, distribution channels, promotions, and campaign evaluation points

What is the velocity of the cart at the bottom of the track : To what distance x can a person who weighs 411-N walk on the overhanging part of the plank before it just begins to tip.

User Account

All Pages