elasticity stretches and can also return to it's normal size ..
Answer:
P max = 1000 pa
P min = 200 pa
Explanation:
P = F/A
pressure will be maximum when surface gets minimum. so to find the maximum amount of pressure we need to calculate the minimum surface. it is 2cm×5cm = 10cm² = 0.001m² . then we have:
P = 1 / 0.001 = 1000 pa
to find minimum pressure the surface that must be chosen is 10cm×5cm = 50cm² = 0.005m² .
P = 1 / 0.005 = 200 pa
Answer:
Calcium bromide is the name for compounds with the chemical formula CaBr2(H2O)x.
The handle of a metal pot gets warm when the water inside the pot starts to boil
Answer:
The mass of the astronaut is approximately 119.74 kg
Explanation:
Assuming this problem as a Simple Harmonic Motion of a mass-spring system, the period (T) of the oscillations for a mass (m) and spring constant (k) is:
(1)
First, we have to calculate the spring constant using equation (1) and the data provided for the oscillations without the astronaut:
<em>(it’s important to note that one complete vibration is the period of the movement)</em>


Now with the value of k, we can use again (1) to find the mass of the astronaut (Ma) that makes the period to be 2.54 seconds

