Physics

# How do you find velocity when given distance and mass?

212223 ###### 2011-04-20 12:40:40

The formula for finding that out is velocity = distance / mass

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## Related Questions You can't. The mass is irrelevant to velocity. You need the distance. momentum = mass x velocity =&gt; mass = momentum / velocity To get the potential energy when only the mass and velocity time has been given, simply multiply mass and the velocity time given. You cannot. Force = Mass*Acceleration or Mass*Rate of change of Velocity. You can't. Acceleration is change in velocity. If given a constant velocity, the acceleration is zero. Tangential velocity is equal to (mass x velocity^2)/radial distance First note the following formulaes Velocity= Distance/Time.............................................1 Acceleration= Change in velocity/Time..........................2 Therefore say if V2 and V1 is given the difference between them is the change in velocity if not then consider the value of speed as change in velocity Now find the Time from second equation = V(speed)/A(accel)..............3 Make eq 1 as Distance =Velocity*Time Since you have the value of velocity and Time substitute and get the value of Distance travelled Please note that the referred problem is independent of mass Power is equal to Force times velocity; P=Fv. You are given the 'speed', which I assume to be velocity. You also have acceleration. In order to find F, you need first to find the mass, which you can calculate from the weight, Fg, by dividing by the acceleration due to gravity, 9.8. You then have the mass. From here, multiply mass times acceleration times the velocity. Assuming you start from rest (0) and accelerate uniformly. &gt; acceleration = distance / (0.5 * time2), then having found acceleration: &gt; final velocity = acceleration * time In Newtonian mechanics using momentum, p, mass, m, and velocity, v, p=m*v. You will need mass and velocity to find momentum, generally. To find velocity you can know time and distance, v=d/t. Catapult and not canapult. Any way for a given energy as mass of the object increases then distance would get decreased as velocity gets reduced. That's not enough information. You need some additional information to calculate the mass. If you have the mass, you can find the acceleration from Newton's Second Law, a=F/m where a is the acceleration, m is the mass, and F is the force. Then the velocity is given by the standard formula v=vo+at where v is the final velocity, vo the velocity at t=0, probably 0 in your case. If so v=at. That's not enough information. distance x force = work, but mass is unrelated. You can't. You also have to know the mass, or have a way to find it. Momentum alone cannot find the mass of an object as momentum is given by p = mv. To find mass m = p/v , velocity is also required. the final velocity assuming that the mass is falling and that air resistance can be ignored but it is acceleration not mass that is important (can be gravity) final velocity is = ( (starting velocity)2 x 2 x acceleration x height )0.5   To calculate the velocity we would have to know the mass of the first object because we need it to find the force of gravity between the two bodies to then find out the net distance and time. Force equals the mass times the rate of change of the velocity.  Momentum = (mass) x (velocity)Divide each side of the equation by (velocity) :(mass) = Momentum/(velocity) Momentum = (mass) x (velocity vector).Given constant velocity, and assuming that mass doesn't change,there is no change in momentum over time.If there is any change in momentum, it can only be due to a change in mass.It would change in direct proportion to the mass, and the direction of themomentum vector would remain constant, in the direction of the velocity. The mass will be equal to the kinetic energy divided by the velocity squared. m=2(KE)/(v2). This is from the basic equation KE=1/2mv2.

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