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How much force is needed to accelerate a 50kg rider and her 250kg motorcycle at 5 m/s2? This is really a physics question. The equation that you use is Newton's second law, Force = Mass x Acceleration. In this case, the total
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Two forces act on a 10kg mass. The first force has a magnitude of 15 N and pushes the mass due North. The second force has a magnitude of 25 N and pushes the force due West. What is the magnitude and direction of the acceleration
asked by gale on June 27, 2013 
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A force of 3 N acts on a 6 kg cart. How long will it take before the cart speeds up to 4 m/s? f= 3N m=3kg i need help with the formulas. do i first find the acceleration a = f/m? i don't know the next formula, how do i find how
asked by help on December 27, 2019 
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suppose the force of 20.0 N pushes on two boxes of unknown mass. We know, however, that the acceleration of the boxes is 1.25 m/s2 and the contact force has a magnitude of 2.73 N. (a) Find the mass of box 1. (b) Find the mass of
asked by Alex on October 11, 2014 
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A motor pushes a boat through the water with the force of 2100 N; the water creates a resistance force of 1800 N. What is the acceleration of 1200 kg boat? (Do I use force equals mass times acceleration? 2100=1200a) If it starts
asked by Jay on November 17, 2014 
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A speed velocity of a a rocket with a mass of 0.25 kg passes from 15 m/s[up] to 40 m/s[up] in 0.60s. calculate the force of the escaped gasses of the rocket. **** that's what i've done, so far data: m = 0.25kg initial velocity =
asked by Adrienne on November 3, 2009 
physics 20
A speed velocity of a a rocket with a mass of 0.25 kg passes from 15 m/s[up] to 40 m/s[up] in 0.60s. calculate the force of the escaped gasses of the rocket. **** that's what i've done, so far data: m = 0.25kg initial velocity =
asked by Adrienne on November 3, 2009 
Physics, 4 short questions
VERY IMPORTANT FOR AN ESSAY ASSIGNMENT. PLEASE HELP ASAP! THANK U VERYYYYY MUCH! 1. What force is needed to give a mass of 25 kg an acceleration of 20m/s squared? 2. A force of 6N acts upon a 2kg mass. What is the acceleration of
asked by Nicola on December 13, 2006 
physics
A man of mass 75 kg and a women of mass 55 kg stand facing each other on an ice rink , both wearing ice skates . The women pushes the man with a horizontal force of 85 N in the positive x direction . a) What is the man s
asked by Anonymous on January 25, 2012 
physics
the coefficient of starting friction for wood on wood is 0.55. What is the force of friction of a wood block of mass 3.5 kg being pulled on a wood floor? i think i use the formula F=mMA where F is the force needed to move a solid
asked by courtney on October 17, 2010