A hot-air balloon is ascending at the rate

Reference no: EM13546641

A hot-air balloon is ascending at the rate of 13 m/s and is 93 m above the ground when a package is dropped over the side. (a) How long does the package take to reach the ground? ? s (b) With what speed does it hit the ground? ? m/s

Reference no: EM13546641

Questions Cloud

Explain the molecular structure for the molecular species : Use the VSEPR model to predict the effective electron pair (electron cloud) geometry and the molecular structure for the following molecular species

What is initial rotational kinetic energy of the flywheel : An experimental flywheel, used to store energy and replace an automobile engine, is a solid disk of mass 211 kg and radius 0.380 m. What is its rotational inertia? When driving at 20.6 m/s (46.1 mph), the fully energized flywheel is rotating at an..

Find the cars speed after coasting down the other side : A 1300 car is approaching the hill shown in the figure at 13.0 when it suddenly runs out of gas. What is the car's speed after coasting down the other side

Define zircon is a mineral with the empirical formula zrsio4 : Zircon is a mineral with the empirical formula ZrSiO4. If all the zirconium is 90Zr, all the silicon is 28Si, and all the oxygen is 16O, what mass of oxygen is present in 10. g of zircon

A hot-air balloon is ascending at the rate : A hot-air balloon is ascending at the rate of 13 m/s and is 93 m above the ground when a package is dropped over the side. (a) How long does the package take to reach the ground? ? s (b) With what speed does it hit the ground? ? m/s

Calculate how fast is the light traveling in the liquid : The drawing shows a coin resting on the bottom of a beaker filled with an unknown liquid. How fast is the light traveling in the liquid

Evaluate the thickness of the metal foil in mm : If the metal absorbs 848 J of heat as its temperature changes from 20.09 to 35.71. Calculate the thickness of the metal foil in mm

Calculate what is the moment of inertia of the flywheel : An energy storage system based on a flywheel (a rotating disk) can store a maximum of 4.4 when the flywheel is rotating at 1.4×104 revolutions per minute. What is the moment of inertia of the flywheel

Explain the mass fraction water in the humidified air : Air containing 1 mass % water is humidified by adding water. If air, dry basis, flows into the humidification process at 957.2 lb/hr and water flows at 0.7 cubic ft per hour, what is the mass fraction water in the humidified air

User Account

All Pages