What is the speed of the rock just before hitting the ground

Assignment Help Physics
Reference no: EM13280856

a rock is thrown downward from the top of a 40 m tower with an initial speed of 12 m/s. if g-9.8 m/s^2 and air resistance is negligible, what is the speed of the rock just before hitting the ground.

Reference no: EM13280856

Questions Cloud

How much did the bank pay sue for the note : Peter buys an item from Sue and signs a note to pay $300 in 10months. Then, 1 month(s) before the note comes due, Sue sells thenote to a bank which discounts the note based on 12.5% simpleinterest. How much did the bank pay Sue for the note?
Determine the magnetic field vector : Two long thin parallel wires 13.0 cm apart carry28-A currents in the same direction. Determine the magnetic field vector
What is the conversion price : B&O Railroad's convertible debentures were issued at the $1000 par value in 2002. At any time prior to their maturity on Feb. 1, 2022, a debenture holder can exchange a bond for 25 shares of common stock. What is the conversion price. Must show wo..
Find coefficient of kinetic friction between sled and snow : A boy drags his 8.00 kg sled at constant speed up a 10.0 degree hill. He does so by pulling with a 40.0-N force on a massless rope attached to the sled. find the coefficient of kinetic friction between sled and snow
What is the speed of the rock just before hitting the ground : a rock is thrown downward from the top of a 40 m tower with an initial speed of 12 m/s. if g-9.8 m/s^2, what is the speed of the rock just before hitting the ground
Simultaneously problematic : Describe the controversy over the use of IQ tests in schools. Why are such tests and scores seen as necessary in the diagnostic process and how are they simultaneously problematic? How can these posed problems be fixed so that these tests do no harm?
What is theory-of-mind : What is "theory-of-mind"? In what context does DeWaal discuss it? Why does DeWaal believe that it is an important concept for comparing humans to non-human primates?
Organization difficult to implement for a global firm? : Why is the matrix form of organization difficult to implement for a global firm? Would such an organizational form be applicable to a domestic firm? Why or why not?
How did the fair or carnival look-smell-touched : Remember a time you went to a fair or carnival and recall the sensory details. In a paragraph containing at least six sentences, describe the experience. How did the fair or carnival look (sight)? How did it smell (smell)? Describe something you touc..

Reviews

Write a Review

Physics Questions & Answers

  What is the phase angle of the circuit

A 60 ohm resistor is connected in series with a 30x10^-6 capacitor and a generator having a maximum voltage of 120 volts, what is the phase angle of the circuit

  What is the electrical force between two spheres

Two tiny conducting spheres with a mass of 15gm each are hanging from non-conducting threads of length 70cm such that they are 4cm apart as shown to the left.

  Obtain the rise in its temperature

Multiple-Concept Example 1 discusses the concepts that are relevant to this problem. obtain the rise in its temperature

  At what initial speed was the bullet shot into the air

A bullet is shot straight up into the air. It takes 30.5 s for the bullet to go straight up and fall back straight down to its starting position. At what initial speed (in m/s) was the bullet shot into the air

  Travelled in the time between the sighting of the freight

A passenger train is travelling at 32 m/s when the engineer sees a freight train 384 m ahead of his train travelling in the same direction on the same track. The freight train is moving at a speed of 5.7 m/s.

  What is the objects speed at the bottom of the slope

A 65.0 kg object slides down a 30o angle slope from rest at a height of 15.0 m. The coefficient of kinetic friction between the object and the slope surface is 0.15. What is the object's speed at the bottom of the slope

  Define what is the final speed of the crate

Just after each jumps, that person is moving away from the crate with a speed of 4.40 m/s relative to the crate.

  What is the capacitance of mars

Suppose you were to wrap the planet Mars in aluminum foil and place a charge Q on it, What is the capacitance of Mars in this case

  Determine the normal force exerted by the road on the car

A 1000-kg sports car (including the driver) crosses the rounded top of a hill (radius = 90.0m ) at 22.0m/s. Determine the normal force exerted by the road on the car

  Find the shortest length of rough floor

A box slides across a frictionless floor with an initial speed v = 2.2 m/s. What is the shortest length of rough floor which will stop the box

  Compute the frequency of the dampened oscillation

The scale of a spring balance reading from 0 to 230 N has a length of 15.0cm. A fish hanging from the bottom of the spring oscillates vertically at a frequency of 2.40 Hz. What is the mass of the fish ignoring the mass of the spring.

  What is the required pressure difference over its length

The pulmonary artery, which connects the heart to the lungs, is about 8.0 cm long and has an inside diameter of 5.0 mm. what is the required pressure difference over its length

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