The ability of Torricelli's hypothesis about atmospheric pressure to suggest the design of the barometer is an illustration of Fruitfulness
A barometer is a scientific instrument used to measure the air pressure in a certain environment. The atmospheric pressure measured is also known as barometric pressure. The pressure is measured in terms of atmosphere ( atm ) or bars. One bar / atm = 100 KPa
A glass tube closed at one end is submerged in a bowl filled with mercury and raised the tube but not above the mercury surface. The weight of the mercury pulled it down and left a partial vacuum at the closed end. This proved that gas has mass by creating pressure on things around it.
Therefore, the ability of Torricelli's hypothesis about atmospheric pressure to suggest the design of the barometer is an illustration of Fruitfulness
To know more about Torricelli's hypothesis
brainly.com/question/17212070
#SPJ4
I believe the 4th answer is the correct one for four and number five I believe is 33 degrees. I hope this helped.
The answer is 56.98 m
The dislocation (d) is:
d = v1 * t + 1/2 * a * t²
v1 - initial velocity
t - time
a - <span>acceleration of gravity
We know:
d = ?
v1 = ?
t = 6.82 s / 2 = 3.41 (it reaches the peak at half time)
a = - 9.8 m/s</span>²
Let's first calculate v1:
v2 = v1 + at
v2 - final velocity (v2 = 0 when it reaches peak)
0 = v1 + -9.8 * 3.41
0 = v1 - 33.418
v1 = 33.418 m/s
d = v1 * t + 1/2 * a * t²
d = 33.418 * 3.41 + 1/2 * -9.8 * 3.41²
d = 113.96 - 56.98
d = 56.98 m
Answer: Acceleration = 5m/s^2; Distance traveled = 320 m
Explanation:
Velocity of car = 40m/s
Time taken = 8 seconds
Acceleration = ?
Distance traveled = ?
A) Since acceleration is the rate of change of velocity per unit time
i.e acceleration = velocity / time
acceleration = 40m/s / 8 seconds
Acceleration = 5m/s^2
B) To get how far the car traveled before stopping, obtain the distance from the formula:
velocity = distance traveled / time
40m/s = distance / 8 seconds
Distance = 40m/s x 8 seconds
Distance = 320 m
Thus, the car’s acceleration is 5m/s^2 while it traveled 320 metres before stopping.
Answer:
A
Explanation:
they are atoms of the same element that have the same number of protons but different number of neutrons.
