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

Inducing a positive charge on a sphere, Inducing a Positive Charge on a Sph...

Inducing a Positive Charge on a Sphere The given below animation depicts the induction procedure. The neutral conducting sphere is at rest on top of an insulating stand. An unh

Is there any way to get zero gravity on the earth?, Yes it is possible at t...

Yes it is possible at the centre of the earth where the radius is zero .

Platform of height , A tank is filled up to a height 2H WITH A LIQUID and i...

A tank is filled up to a height 2H WITH A LIQUID and is placed on a platform of height H from the ground .the distance x from the ground where a small hole is punched to get maximu

Newton, newton; N (after Sir I. Newton, 1642-1727) The derived SI unit...

newton; N (after Sir I. Newton, 1642-1727) The derived SI unit of force, explained as the force needed to give a mass of 1 kg an acceleration of 1 m/s 2 ; thus it has units of

An experiment with two spikes, An experiment with two spikes Use the dr...

An experiment with two spikes Use the drill for a rotation machine as in the above experiment. Unite two spikes by attaching the point end of every to the end of a 15 cm length

Kinetic energy, Why is the Kinetic energy of the system minimum in the fram...

Why is the Kinetic energy of the system minimum in the frame of the center of mass for any number of particles solution) The kinetic energy of any entity depends on the reference

Physics, What is Fresnel explanation of optical activity

What is Fresnel explanation of optical activity

Electronics, tell the fixed transistor bias and describe the design

tell the fixed transistor bias and describe the design

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