Answer:
difference in flight time= 0.3023 hour
Explanation:
The question is incomplete, but I found it in your textbook.
Spped of aircraft = 850 km/h
Opposing speed of wind = 90km/h
Hence, the net speed when it's travelling west = 850 - 90 = 760 km/hr
The distance covered = 1200km
time taken = distance/ time = 1200/ 760 = 1.5789 hours
When coming back, the speed of the wind is complementary to the speed of the aircraft so
net speed when it's coming back = 850 +90 = 940 km/hr
time taken in this instance = 1200/ 940 = 1.2765 hours
Hence, the difference in flight time= 1.5789 - 1.2765 = 0.3023 hour
Given: Mass m = 290 Kg; Height h = 7 m
Required: Work = ?
Formula: Work = Force x distance but, Force F = mg
W= fd
W = mgh
W= (290 Kg)(9.8 m/s²)(7 m)
W = 19,894 Kg.m²/s²
W = 19,894 J
The sun's radiation is made up of rays of many different wavelengths.
The average force on the shell while it is in the gun barrel is 10,869,833.33N.
<h3>HOW TO CALCULATE FORCE?</h3>
Force applied on an object can be calculated by multiplying the mass of the object by its acceleration.
However, the acceleration needs to be calculated by using the following equation:
v² - u² = 2as
Where;
- v = final velocity
- u = initial velocity
- a = acceleration
- s = distance
770² - 0² = 2 (a)(1.5)
592900 = 3a
a = 197633.3m/s²
Force = 55kg × 197633.3m/s²
Force = 10,869,833.33N
Therefore, the average force on the shell while it is in the gun barrel is 10,869,833.33N.
Learn more about force at: brainly.com/question/26115859
Explanation:
A projectile motion may be defined as that form of a motion that is experienced by an object or a particle which is projected near the surface of the Earth and the particle moves along the curved path subjected to gravity force only.
Thus a projectile motion is always acted upon by a constant acceleration due to gravity in the down ward direction.
In the context, Quinn shoots two particle x and y from his sling shot and he observes that both his projectiles travels in a parabola curve in the air. Both the object x and y touches the ground a distance apart from him which is known as the range and it depends upon the velocity of the projectile. Both the projectile reaches a maximum height and then drop on the ground in a parabola shape.
