Saturday

January 31, 2015

January 31, 2015

Posted by **sand** on Tuesday, December 27, 2011 at 6:03am.

What is the force constant of the spring?

What is the mass of the unknown weight?

If the weight is pushed down 10cm and released, how fast is it moving at its maximum speed?

- physics -
**drwls**, Tuesday, December 27, 2011 at 7:26amUse this statement to determine k:

<<When a 1 kg mass is added, the large weight sank down an additional 3 mm. >>

k = m*g/X

= (1 kg)*(9.8 m/s^2))/0.003 m

m is the added mass and X is the resulting extra deflection

Use that k value and this formula to obtain M:

w = 2*pi*f = sqrt(k/M)= 2*pi*(0.2 s^-1)

Note that 12 cycles per minute was converted to frequency in Hz.

w is the angular frequency

Use this formula to determine max speed, Vmax:

Vmax = w*(amplitude)

- physics -
**sand**, Tuesday, December 27, 2011 at 7:48amThanks for your time

**Answer this Question**

**Related Questions**

maths - 2. A bar of uniform section is 81.4cm long and weighs 4.45 kg. A weight ...

Physics - A plant hangs from a 1.9 cm diameter suction cup affixed to a smooth ...

college physics - a 1.0 N-weight is hanging at rest as shown. In each case, ...

Physics - a 1.0 N-weight is hanging at rest as shown. In each case, write in ...

Math - The pressure on a scuba diver at sea level is 14.7 pounds per sq inch (...

physics - A large uniform "butcher block" rests on two supports(one support at ...

physics - A large uniform "butcher block" rests on two supports(one support at ...

math - hooke's law determine that if a small weight is suspended from a spring,...

physics - The drawing shows three identical springs hanging from the ceiling. ...

physics - an unstretched hanging spring is 50cm long. suspending a 100N weight ...