Find with what initial velocity were the keys thrown

Assignment Help Physics
Reference no: EM13661846

A student throws a set of keys vertically upward to her sorority sister, who is in a window 4.10 meter above. The keys are caught 1.30 second later by the sister's outstretched hand.

(a) Find with what initial velocity were the keys thrown?

(b) Find what was the velocity of the keys just before they were caught?

Reference no: EM13661846

Questions Cloud

Calculate how long does it take to reach its highest point : A ball is thrown vertically upward with a speed of 23.1 m/s from a height of 2.1 meter. Find how long does it take to reach its highest point
Find what is greatest mass of groceries that can be lifted : Your groceries are in a bag with paper handles. Find what is the greatest mass of groceries that can be lifted safely with this bag, given that the bag is raised with constant speed
Find what is the magnitude of the net electric field : Two particles are fixed to an x axis: particle 1 of charge-2.99 x 10-7 C is at the origin and particle 2 of charge+2.99 x 10-7 C is at x= 18.0 centimeter. find what is the magnitude of the net electric field
Find the surface charge density on the belt : A charged belt, 50 centimeter wide, travels at 30 m/s between a source of charge and sphere. Find the surface charge density on the belt
Find with what initial velocity were the keys thrown : A student throws a set of keys vertically upward to her sorority sister, who is in a window 4.10 meter above. Find with what initial velocity were the keys thrown
Find the time it takes both objects to reach the bottom : An object is on a hill at an angle. It is pushed down the hill which has coefficients of friction uk. Find the time it takes both objects to reach the bottom
Find how many revolutions does the merry-go-round make : A 5.0 diameter merry-go-round is initially turning with a 4.0 second period. It slows down and stops in 20 second. Find how many revolutions does the merry-go-round make as it stops
Compute what is the speed of light : a light-year is the distance light travels in one year (at speed=2.998x108m/s). Find what is the speed of light in AU/h
Find at what horizontal distance left of loop should launch : A 500 gram model rocket is on a cart that is rolling to the right at a speed of 3.0 m/s. Find at what horizontal distance left of the loop should you launch

Reviews

Write a Review

Physics Questions & Answers

  Find the magnitude of the resulting magnetic field

A sphere of radius R is uniformly charged to a total charge of Q. It is made to spin about an axis that passes through its center with an angular speed ω. Find the magnitude of the resulting magnetic field at the center of the sphere.

  Find the equivalent resistance

A resistor is in the shape of a cube, with each side of resistance  R . Find the equivalent resistance between any two of its adjacent corners.

  What is the electric field at the location

Question: Field and force with three charges? What is the electric field at the location of Q1, due to  Q 2 ?

  What is the maximum displacement of the bridge deck

What is the maximum displacement of the bridge deck?

  What is the magnitude of the current in the wire

What is the magnitude of the current in the wire as a function of time?

  Blackbody

Questions on blackbody, Infra-Red Detectors & Optic Lens and Digital Image.

  Gravity conveyor

Illustrate the cause of the components accelerating from rest down the conveyor.

  Calculate the dc voltage

Calculate the dc voltage applied to the circuit.

  Quadrupole moments in the shell model

Quadrupole moments in the shell model

  Determine the tension in each string

Determine the tension in each string

  Introductory mechanics: dynamics

Calculate the smallest coefficient of static friction necessary for mass A to remain stationary.

  Evaluate maximum altitude

Evaluate maximum altitude?

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