Answer:
a_x(3.98) = 7.0844 m/s^2
Explanation:
Given:
- The eastward component of car's velocity is given as follows:
v_x (t) = 0.890*t^2
For, 0 s < t < 5 s
Find:
What is the acceleration of the car when v_x = 14.1 m/s ?
Solution:
- We will first compute the time t at which the velocity v_x component equals 14.1 m /s :
14.1 = 0.890*t^2
t = sqrt (15.8427)
t = 3.98 s
- Now use the relation of v_x and derivative to obtain a_x acceleration in eastward direction:
a_x (t) = dv_x / dt
a_x(t) = 1.78*t
- Evaluate at t = 3.98 s:
a_x(3.98) = 1.783.98
a_x(3.98) = 7.0844 m/s^2
Answer:193.90 m/s
Explanation:
Given
launch angle
launch velocity
Horizontal velocity of the shell after
time of flight of Projectile
i.e. projectile is declining as
but horizontal component of velocity will remain same as there is no opposing force in horizontal direction
Horizontal component of velocity is
An object's location, velocity, acceleration, and direction can all be used to define motion.
Define velocity:
Velocity and speed describe how quickly or slowly an object is moving. We frequently encounter circumstances when we must determine which of two or more moving objects is going faster. If the two are travelling on the same route in the same direction, it is simple to determine which is quicker. It is challenging to identify who is moving the quickest when their motion is in the other direction. The idea of velocity is useful in these circumstances. Learn what velocity is, how it is measured, an example of velocity, and how it differs from speed in this article.
Motion may be described using an object's position, velocity, acceleration, and direction.
To learn more about motion follow the given link:
brainly.com/question/26083484
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<span>Humans first appeared during the Quaternary period. <span>The Quaternary or Neozoic period develops in the Cenozoic
era, which extends from 2,588 million years ago to the present. The
Quaternary is divided into two periods. The Pleistocene, the first and
longest period of the period, was characterized by the cycles of glaciations
and the appearance of the first humans (homos habilis); this period
extended from 2,588 million years to 10,000 years BC The Holocene, the second
epoch of the period, was characterized by the end of the glaciation and the
emergence of human civilization; this period extends from 10,000 years BC
to the present.</span></span>
Answer:
a. 12,600 N
b. 1290 kg
Explanation:
a. Impulse = change in momentum
F Δt = m Δv
F (0.192 s) = (59 kg) (0 m/s − 41 m/s)
F = -12,600 N
b. F = mg
12,600 N = m (9.8 m/s²)
m = 1290 kg (or 2,830 lbs)