I need physical help ……..?
1.) A 2.0 kg bucket resting on a scale. The pore water in the bucket from a height of 1.5 meters at a rate of 100 per g /) What is the reading on the scale of kg in one minute after the outpouring began? b) Puring stops in a minute, what is the reading the scale then? 2.) A 5.0 kg object is dropped on a spring to a height of 2 meters. If the maximum compression in the spring is 40 cm, what is your strength constant? 3.) A force of 2 newtons is needed to push 100 g of Jack in the Box in the box. An operation in which the spring is compressed 10 cm. What is the speed Maximum take the picture when it comes out. 4.) A neutron of mass (1.67 x 10 ^ -27 kg) and speed (1.00 x 10 ^ 5) km / s collides with a deuteron rest mass (3.34 x 10 ^ -27 kg). The two particles stick together. What is the speed of the composite particle?
1) you need the density of water, or weight of a gallon of water, I do not unwrapped. 2) mgh = 1 / 2 kx ^ 2, so … mgh k = 2 / x ^ 2 k = 2 (5 kg) (9.8 m / s ^ 2) (2.4) / (0.4 m) ^ 2 k = 1470 N / m 3) 1 / 2 mv ^ 2 = 1 kx / 2 ^ 2 k = 2 N/0.1m, so k = 20 N / mx 0,1 m = m = 0, 10 kg 1 / 2 cancels and we get v = sqrt (kx ^ 2 / m) —- Plug the number of inches .. v = 1.41 m / s 4) I
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