Maurice Tutor

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About Maurice Tutor

Levels Tought:
Elementary,Middle School,High School,College,University,PHD

Expertise:
Algebra,Applied Sciences See all
Algebra,Applied Sciences,Biology,Calculus,Chemistry,Economics,English,Essay writing,Geography,Geology,Health & Medical,Physics,Science Hide all
Teaching Since: May 2017
Last Sign in: 401 Weeks Ago, 2 Days Ago
Questions Answered: 66690
Tutorials Posted: 66688

Education

  • MCS,PHD
    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

Experience

  • Professor
    Phoniex University
    Oct-2001 - Nov-2016

Category > Accounting Posted 27 Sep 2017 My Price 5.00

frictionless surface.

1)A 15 g bullet is shot into a 5085 g wooden block standing on a frictionless surface. The block, with the bullet in it, acquires a velocity of 1 m/s. Calculate the velocity of the bullet before striking the block.?2)What is the force on the head of a nail that is struck by a 1.5 kg hammer moving at 7 m/s. (The hammer is brought to rest in 0.001 s.)?

A) 10.5 N

B) 105 N

C) 1050 N

D) 10500 N

E) 105000 N

F) I haven’t a clue.

3)A blue-green photon (484nm) is absorbed by a free hydrogen atom, initially at rest.

What is the recoil speed of the hydrogen atom after absoribing the photon?

4)A heat engine with a thermal efficiency of 25 % does 100j of work per cycle.

Part A

How much heat is extracted from the hot reservoir per cycle?

Part B

How much heat is exhausted to the cold reservoir per cycle?

Answers

Maurice Tutor
(5)
Status NEW Posted 27 Sep 2017 12:09 AM My Price 5.00

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