Answer:
Mass of the vehicle and small bug.
Explanation:
- By Newton's third law, force on bug and vehicle will be same when they collide with each other irrespective of their masses.
- But according to Newton's second law, force is mass times acceleration. Since the force on each mass is same, the smaller mass will accelerate more and the heavier mass will accelerate less for the same force.
- Therefore the acceleration of bug will be very greater than vehicle as the mass of the bug is very small as compared to vehicle.
Learn more about Newton's law.
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When two sound waves of different frequencies approach the ear, the alternating constructive and destructive interference causes the sound to be alternatively soft and loud - producing beats
Answer:
See the explanation below
Explanation:
After the mass is pulled, you have all three types of energy; potential, kinetic and elastic. Elastic as it has extension of the spring, potential energy as the mass is one meter above the ground level, and kinetic energy as the mass is in motion.
The following are the equations for calculating the different energies.
![E_{elas}=0.5*k*x^2\\where:\\k = spring constant [N/m]\\x = distance [m]\\\\E_{pot} =m*g*h\\where:\\m = mass [kg]\\g = gravity = 9.81[m/s^2]\\h = elevation [m]\\\\E_{k}=0.5*m*v^2\\where:\\m= mass [kg]\\v = velocity [m/s]](https://tex.z-dn.net/?f=E_%7Belas%7D%3D0.5%2Ak%2Ax%5E2%5C%5Cwhere%3A%5C%5Ck%20%3D%20spring%20constant%20%5BN%2Fm%5D%5C%5Cx%20%3D%20distance%20%5Bm%5D%5C%5C%5C%5CE_%7Bpot%7D%20%3Dm%2Ag%2Ah%5C%5Cwhere%3A%5C%5Cm%20%3D%20mass%20%5Bkg%5D%5C%5Cg%20%3D%20gravity%20%3D%209.81%5Bm%2Fs%5E2%5D%5C%5Ch%20%3D%20elevation%20%5Bm%5D%5C%5C%5C%5CE_%7Bk%7D%3D0.5%2Am%2Av%5E2%5C%5Cwhere%3A%5C%5Cm%3D%20mass%20%5Bkg%5D%5C%5Cv%20%3D%20velocity%20%5Bm%2Fs%5D)
<span>C) Just before he starts to fall to the ground
Remember that "gravitational potential energy" is the energy the object potentially has if it were to drop from the current height. So let's look at the options and see what's correct.
A) When he initially lands
* He's currently near the lowest height. So his gravitational potential energy is quite low. So this is the wrong choice.
B) As he runs forward to plant the pole
* He's on the ground. So has almost no height. So almost no gravitational potential energy. So this too is wrong.
C) Just before he starts to fall to the ground
* Ah. He's at his maximum height. So his potential gravitational potential energy is maximized. This is the correct choice.
D) After take-off as the pole expands and lifts the vaulter toward the bar
* He's at a low height. So once again, this is a bad choice.</span>
Answer:
Ball 1 has a mass of 0.5 kilogram and an initial velocity of 1.00 meter/second. Ball 2 has a mass of 1.5 kg and an initial velocity of 0.00 meters/second.
Explanation:
