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Author Question: A car (of mass 1500 kg) and a small truck (of mass 2000 kg) collide suddenly at right angles at an ... (Read 104 times)

Jramos095

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on: Jul 29, 2018
A car (of mass 1500 kg) and a small truck (of mass 2000 kg) collide suddenly at right angles at an icy intersection.
 
  The car was originally traveling eastward at 20.0 m/s and the truck was traveling northward at 20.0 m/s just before the collision took place. What is the speed of the combined wreck just after the collision if the vehicles become enmeshed?

Question 2

An electron moves with a speed of 3.0  104 m/s perpendicular to a uniform magnetic field of 0.40 T. What is the magnitude of the magnetic force on the electron? (e = 1.60  10-19 C)
 
  A) 4.8  10-14 N
  B) 1.9  10-15 N
  C) 5  10-20 N
  D) 0 N
  E) 2.2  10-24 N


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joanwhite

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Reply #1 on: Jul 29, 2018
Answer to Question 1

14.3 m/s

Answer to Question 2

B


Jramos095

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Reply 2 on: Jul 29, 2018
Wow, this really help

sailorcrescent

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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