With what initial velocity were the keys thrown, Physics

Assignment Help:

A student throws a set of keys vertically upward to his fraternity brother, who is in a window 4.40 m above. The brother's outstretched hand catches the keys 1.30 s later.

(a) With what initial velocity were the keys thrown?
(b) What was the velocity of the keys just before they were caught?(Take upward as the positive direction.)


Related Discussions:- With what initial velocity were the keys thrown

Online take home quiz for undergrad physics class, Hi there, I have online ...

Hi there, I have online take home quiz tmr, just wondering if there''s a way that you guys can help me. I can take a screenshot of the questions and send it to you. I need the ans

Calculate the entropy, 1. Sodium dodecyl sulfate is a detergent with a cha...

1. Sodium dodecyl sulfate is a detergent with a charged hydrophilic sulfate head group and a 12 carbon hydrocarbon tail.  In solid form it exists as a monomeric molecule but upon

Propagation of an electromagnetic wave, Propagation of an Electromagnetic W...

Propagation of an Electromagnetic Wave Electromagnetic waves are waves that can travel by the vacuum of outer space. Mechanical waves, not like electromagnetic waves, need the

Calculate the speed and frequency of elctromagnetic wave, Imagine an elctro...

Imagine an elctromagnetic wave propagating vacuum with electric field Ex=10 2 sinπ(3x10 6 z - 9x10 14 t) V/m, E y =0, E z = 0. Calculate the speed, frequency, wavelength, initial

Uniform circular motion, Uniform Circular Motion Uniform circular motio...

Uniform Circular Motion Uniform circular motion could be elaborates as the motion of an object within a circle at a constant speed. As an object moves within a circle, it is co

Determine the Effect of air resistance, An object in free fall has an accel...

An object in free fall has an acceleration of 9.80 m/s 2 assuming that there is no air resistance. What is the speed of an object dropped from the top of a tall cliff 3.50 s a

Maxwells electromagnetic equations, Starting from Maxwell's electromagnetic...

Starting from Maxwell's electromagnetic equations in vacuum, get the wave equations for the four fields vectors E, D, B and H.

Do fiber optic transmits the radiation, Do fiber optic transmits the radiat...

Do fiber optic transmits the radiation? Light is a radiation; hence, the answer is yes. Several fibers, depending upon the nature of the materials from that they are made, tran

define electric cell, The device which changes chemical energy into electr...

The device which changes chemical energy into electrical energy is called as electric cell. Battery is a host of constant emf but not constant current.

Kirchhoffs rules, Kirchhoff's rules (G.R. Kirchhoff): loop rule ...

Kirchhoff's rules (G.R. Kirchhoff): loop rule The total of the potential differences encountered in a round trip about any closed loop in a circuit is zero. point

Write Your Message!

Captcha
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